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CMSIS-SVD
Version 1.10
CMSIS System View Description
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CMSIS-SVD
Version 1.10
CMSIS System View Description
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<?xml version="1.0" encoding="utf-8"?>
<!-- File naming: <vendor>_<part/series name>.svd -->
<!--
Copyright (C) 2012 ARM Limited. All rights reserved.
Purpose: System Viewer Description (SVD) Example (Schema Version 1.0)
This is a description of a none-existent and incomplete device
for demonstration purposes only.
-->
<device schemaVersion="1.0" xmlns:xs="http://www.w3.org/2001/XMLSchema-instance" xs:noNamespaceSchemaLocation="CMSIS-SVD_Schema_1_0.xsd" >
<name>ARMCM3xxx</name> <!-- name of part or part series -->
<version>1.0</version> <!-- version of this description -->
<description>ARM 32-bit Cortex-M3 Microcontroller based device, CPU clock up to 80MHz, etc. </description>
<addressUnitBits>8</addressUnitBits> <!-- byte addressable memory -->
<width>32</width> <!-- bus width is 32 bits -->
<!-- default settings implicitly inherited by subsequent sections -->
<size>32</size> <!-- this is the default size (number of bits) of all peripherals
and register that do not define "size" themselves -->
<access>read-write</access> <!-- default access permission for all subsequent registers -->
<resetValue>0x00000000</resetValue> <!-- by default all bits of the registers are initialized to 0 on reset -->
<resetMask>0xFFFFFFFF</resetMask> <!-- by default all 32Bits of the registers are used -->
<peripherals>
<!-- Timer 0 -->
<peripheral>
<name>TIMER0</name>
<version>1.0</version>
<description>32 Timer / Counter, counting up or down from different sources</description>
<groupName>TIMER</groupName>
<baseAddress>0x40010000</baseAddress>
<size>32</size>
<access>read-write</access>
<addressBlock>
<offset>0</offset>
<size>0x100</size>
<usage>registers</usage>
</addressBlock>
<interrupt>
<name>TIMER0</name>
<value>0</value>
</interrupt>
<registers>
<!-- CR: Control Register -->
<register>
<name>CR</name>
<description>Control Register</description>
<addressOffset>0x00</addressOffset>
<size>32</size>
<access>read-write</access>
<resetValue>0x00000000</resetValue>
<resetMask>0x1337F7F</resetMask>
<fields>
<!-- EN: Enable -->
<field>
<name>EN</name>
<description>Enable</description>
<bitRange>[0:0]</bitRange>
<access>read-write</access>
<enumeratedValues>
<enumeratedValue>
<name>Disable</name>
<description>Timer is disabled and does not operate</description>
<value>0</value>
</enumeratedValue>
<enumeratedValue>
<name>Enable</name>
<description>Timer is enabled and can operate</description>
<value>1</value>
</enumeratedValue>
</enumeratedValues>
</field>
<!-- RST: Reset -->
<field>
<name>RST</name>
<description>Reset Timer</description>
<bitRange>[1:1]</bitRange>
<access>write-only</access>
<enumeratedValues>
<enumeratedValue>
<name>Reserved</name>
<description>Write as ZERO if necessary</description>
<value>0</value>
</enumeratedValue>
<enumeratedValue>
<name>Reset_Timer</name>
<description>Reset the Timer</description>
<value>1</value>
</enumeratedValue>
</enumeratedValues>
</field>
<!-- CNT: Counting Direction -->
<field>
<name>CNT</name>
<description>Counting direction</description>
<bitRange>[3:2]</bitRange>
<access>read-write</access>
<enumeratedValues>
<enumeratedValue>
<name>Count_UP</name>
<description>Timer Counts UO and wraps, if no STOP condition is set</description>
<value>0</value>
</enumeratedValue>
<enumeratedValue>
<name>Count_DOWN</name>
<description>Timer Counts DOWN and wraps, if no STOP condition is set</description>
<value>1</value>
</enumeratedValue>
<enumeratedValue>
<name>Toggle</name>
<description>Timer Counts up to MAX, then DOWN to ZERO, if no STOP condition is set</description>
<value>2</value>
</enumeratedValue>
</enumeratedValues>
</field>
<!-- MODE: Operation Mode -->
<field>
<name>MODE</name>
<description>Operation Mode</description>
<bitRange>[6:4]</bitRange>
<access>read-write</access>
<enumeratedValues>
<enumeratedValue>
<name>Continous</name>
<description>Timer runs continously</description>
<value>0</value>
</enumeratedValue>
<enumeratedValue>
<name>Single_ZERO_MAX</name>
<description>Timer counts to 0x00 or 0xFFFFFFFF (depending on CNT) and stops</description>
<value>1</value>
</enumeratedValue>
<enumeratedValue>
<name>Single_MATCH</name>
<description>Timer counts to the Value of MATCH Register and stops</description>
<value>2</value>
</enumeratedValue>
<enumeratedValue>
<name>Reload_ZERO_MAX</name>
<description>Timer counts to 0x00 or 0xFFFFFFFF (depending on CNT), loads the RELOAD Value and continues</description>
<value>3</value>
</enumeratedValue>
<enumeratedValue>
<name>Reload_MATCH</name>
<description>Timer counts to the Value of MATCH Register, loads the RELOAD Value and continues</description>
<value>4</value>
</enumeratedValue>
</enumeratedValues>
</field>
<!-- PSC: Use Prescaler -->
<field>
<name>PSC</name>
<description>Use Prescaler</description>
<bitRange>[7:7]</bitRange>
<access>read-write</access>
<enumeratedValues>
<enumeratedValue>
<name>Disabled</name>
<description>Prescaler is not used</description>
<value>0</value>
</enumeratedValue>
<enumeratedValue>
<name>Enabled</name>
<description>Prescaler is used as divider</description>
<value>1</value>
</enumeratedValue>
</enumeratedValues>
</field>
<!-- CNTSRC: Timer / Counter Soruce Divider -->
<field>
<name>CNTSRC</name>
<description>Timer / Counter Source Divider</description>
<bitRange>[11:8]</bitRange>
<access>read-write</access>
<enumeratedValues>
<enumeratedValue>
<name>CAP_SRC</name>
<description>Capture Source is used directly</description>
<value>0</value>
</enumeratedValue>
<enumeratedValue>
<name>CAP_SRC_div2</name>
<description>Capture Source is divided by 2</description>
<value>1</value>
</enumeratedValue>
<enumeratedValue>
<name>CAP_SRC_div4</name>
<description>Capture Source is divided by 4</description>
<value>2</value>
</enumeratedValue>
<enumeratedValue>
<name>CAP_SRC_div8</name>
<description>Capture Source is divided by 8</description>
<value>3</value>
</enumeratedValue>
<enumeratedValue>
<name>CAP_SRC_div16</name>
<description>Capture Source is divided by 16</description>
<value>4</value>
</enumeratedValue>
<enumeratedValue>
<name>CAP_SRC_div32</name>
<description>Capture Source is divided by 32</description>
<value>5</value>
</enumeratedValue>
<enumeratedValue>
<name>CAP_SRC_div64</name>
<description>Capture Source is divided by 64</description>
<value>6</value>
</enumeratedValue>
<enumeratedValue>
<name>CAP_SRC_div128</name>
<description>Capture Source is divided by 128</description>
<value>7</value>
</enumeratedValue>
<enumeratedValue>
<name>CAP_SRC_div256</name>
<description>Capture Source is divided by 256</description>
<value>8</value>
</enumeratedValue>
</enumeratedValues>
</field>
<!-- CAPSRC: Timer / COunter Capture Source -->
<field>
<name>CAPSRC</name>
<description>Timer / Counter Capture Source</description>
<bitRange>[15:12]</bitRange>
<access>read-write</access>
<enumeratedValues>
<enumeratedValue>
<name>CClk</name>
<description>Core Clock</description>
<value>0</value>
</enumeratedValue>
<enumeratedValue>
<name>GPIOA_0</name>
<description>GPIO A, PIN 0</description>
<value>1</value>
</enumeratedValue>
<enumeratedValue>
<name>GPIOA_1</name>
<description>GPIO A, PIN 1</description>
<value>2</value>
</enumeratedValue>
<enumeratedValue>
<name>GPIOA_2</name>
<description>GPIO A, PIN 2</description>
<value>3</value>
</enumeratedValue>
<enumeratedValue>
<name>GPIOA_3</name>
<description>GPIO A, PIN 3</description>
<value>4</value>
</enumeratedValue>
<enumeratedValue>
<name>GPIOA_4</name>
<description>GPIO A, PIN 4</description>
<value>5</value>
</enumeratedValue>
<enumeratedValue>
<name>GPIOA_5</name>
<description>GPIO A, PIN 5</description>
<value>6</value>
</enumeratedValue>
<enumeratedValue>
<name>GPIOA_6</name>
<description>GPIO A, PIN 6</description>
<value>7</value>
</enumeratedValue>
<enumeratedValue>
<name>GPIOA_7</name>
<description>GPIO A, PIN 7</description>
<value>8</value>
</enumeratedValue>
<enumeratedValue>
<name>GPIOB_0</name>
<description>GPIO B, PIN 0</description>
<value>9</value>
</enumeratedValue>
<enumeratedValue>
<name>GPIOB_1</name>
<description>GPIO B, PIN 1</description>
<value>10</value>
</enumeratedValue>
<enumeratedValue>
<name>GPIOB_2</name>
<description>GPIO B, PIN 2</description>
<value>11</value>
</enumeratedValue>
<enumeratedValue>
<name>GPIOB_3</name>
<description>GPIO B, PIN 3</description>
<value>12</value>
</enumeratedValue>
<enumeratedValue>
<name>GPIOC_0</name>
<description>GPIO C, PIN 0</description>
<value>13</value>
</enumeratedValue>
<enumeratedValue>
<name>GPIOC_5</name>
<description>GPIO C, PIN 1</description>
<value>14</value>
</enumeratedValue>
<enumeratedValue>
<name>GPIOC_6</name>
<description>GPIO C, PIN 2</description>
<value>15</value>
</enumeratedValue>
</enumeratedValues>
</field>
<!-- CAPEDGE: Capture Edge -->
<field>
<name>CAPEDGE</name>
<description>Capture Edge, select which Edge should result in a counter increment or decrement</description>
<bitRange>[17:16]</bitRange>
<access>read-write</access>
<enumeratedValues>
<enumeratedValue>
<name>RISING</name>
<description>Only rising edges result in a counter increment or decrement</description>
<value>0</value>
</enumeratedValue>
<enumeratedValue>
<name>FALLING</name>
<description>Only falling edges result in a counter increment or decrement</description>
<value>1</value>
</enumeratedValue>
<enumeratedValue>
<name>BOTH</name>
<description>Rising and falling edges result in a counter increment or decrement</description>
<value>2</value>
</enumeratedValue>
</enumeratedValues>
</field>
<!-- TRGEXT: Triggers an other Peripheral -->
<field>
<name>TRGEXT</name>
<description>Triggers an other Peripheral</description>
<bitRange>[21:20]</bitRange>
<access>read-write</access>
<enumeratedValues>
<enumeratedValue>
<name>NONE</name>
<description>No Trigger is emitted</description>
<value>0</value>
</enumeratedValue>
<enumeratedValue>
<name>DMA1</name>
<description>DMA Controller 1 is triggered, dependant on MODE</description>
<value>1</value>
</enumeratedValue>
<enumeratedValue>
<name>DMA2</name>
<description>DMA Controller 2 is triggered, dependant on MODE</description>
<value>2</value>
</enumeratedValue>
<enumeratedValue>
<name>UART</name>
<description>UART is triggered, dependant on MODE</description>
<value>3</value>
</enumeratedValue>
</enumeratedValues>
</field>
<!-- Reload: Selects Reload Register n -->
<field>
<name>RELOAD</name>
<description>Select RELOAD Register n to reload Timer on condition</description>
<bitRange>[25:24]</bitRange>
<access>read-write</access>
<enumeratedValues>
<enumeratedValue>
<name>RELOAD0</name>
<description>Selects Reload Register number 0</description>
<value>0</value>
</enumeratedValue>
<enumeratedValue>
<name>RELOAD1</name>
<description>Selects Reload Register number 1</description>
<value>1</value>
</enumeratedValue>
<enumeratedValue>
<name>RELOAD2</name>
<description>Selects Reload Register number 2</description>
<value>2</value>
</enumeratedValue>
<enumeratedValue>
<name>RELOAD3</name>
<description>Selects Reload Register number 3</description>
<value>3</value>
</enumeratedValue>
</enumeratedValues>
</field>
<!-- IDR: Inc or dec Reload Register Selection -->
<field>
<name>IDR</name>
<description>Selects, if Reload Register number is incremented, decremented or not modified</description>
<bitRange>[27:26]</bitRange>
<access>read-write</access>
<enumeratedValues>
<enumeratedValue>
<name>KEEP</name>
<description>Reload Register number does not change automatically</description>
<value>0</value>
</enumeratedValue>
<enumeratedValue>
<name>INCREMENT</name>
<description>Reload Register number is incremented on each match</description>
<value>1</value>
</enumeratedValue>
<enumeratedValue>
<name>DECREMENT</name>
<description>Reload Register number is decremented on each match</description>
<value>2</value>
</enumeratedValue>
</enumeratedValues>
</field>
<!-- START: Starts / Stops the Timer/Counter -->
<field>
<name>S</name>
<description>Starts and Stops the Timer / Counter</description>
<bitRange>[31:31]</bitRange>
<access>read-write</access>
<enumeratedValues>
<enumeratedValue>
<name>STOP</name>
<description>Timer / Counter is stopped</description>
<value>0</value>
</enumeratedValue>
<enumeratedValue>
<name>START</name>
<description>Timer / Counter is started</description>
<value>1</value>
</enumeratedValue>
</enumeratedValues>
</field>
</fields>
</register>
<!-- SR: Status Register -->
<register>
<name>SR</name>
<description>Status Register</description>
<addressOffset>0x04</addressOffset>
<size>16</size>
<access>read-write</access>
<resetValue>0x00000000</resetValue>
<resetMask>0xD701</resetMask>
<fields>
<!-- RUN: Shows if Timer is running -->
<field>
<name>RUN</name>
<description>Shows if Timer is running or not</description>
<bitRange>[0:0]</bitRange>
<access>read-only</access>
<enumeratedValues>
<enumeratedValue>
<name>Stopped</name>
<description>Timer is not running</description>
<value>0</value>
</enumeratedValue>
<enumeratedValue>
<name>Running</name>
<description>Timer is running</description>
<value>1</value>
</enumeratedValue>
</enumeratedValues>
</field>
<!-- MATCH: Shows if a Match was hit -->
<field>
<name>MATCH</name>
<description>Shows if the MATCH was hit</description>
<bitRange>[8:8]</bitRange>
<access>read-write</access>
<enumeratedValues>
<enumeratedValue>
<name>No_Match</name>
<description>The MATCH condition was not hit</description>
<value>0</value>
</enumeratedValue>
<enumeratedValue>
<name>Match_Hit</name>
<description>The MATCH condition was hit</description>
<value>1</value>
</enumeratedValue>
</enumeratedValues>
</field>
<!-- UN: Shows if an underflow occured -->
<field>
<name>UN</name>
<description>Shows if an underflow occured. This flag is sticky</description>
<bitRange>[9:9]</bitRange>
<access>read-write</access>
<enumeratedValues>
<enumeratedValue>
<name>No_Underflow</name>
<description>No underflow occured since last clear</description>
<value>0</value>
</enumeratedValue>
<enumeratedValue>
<name>Underflow</name>
<description>A minimum of one underflow occured since last clear</description>
<value>1</value>
</enumeratedValue>
</enumeratedValues>
</field>
<!-- OV: Shows if an overflow occured -->
<field>
<name>OV</name>
<description>Shows if an overflow occured. This flag is sticky</description>
<bitRange>[10:10]</bitRange>
<access>read-write</access>
<enumeratedValues>
<enumeratedValue>
<name>No_Overflow</name>
<description>No overflow occured since last clear</description>
<value>0</value>
</enumeratedValue>
<enumeratedValue>
<name>Overflow_occured</name>
<description>A minimum of one overflow occured since last clear</description>
<value>1</value>
</enumeratedValue>
</enumeratedValues>
</field>
<!-- RST: Shows if Timer is in RESET state -->
<field>
<name>RST</name>
<description>Shows if Timer is in RESET state</description>
<bitRange>[12:12]</bitRange>
<access>read-only</access>
<enumeratedValues>
<enumeratedValue>
<name>Ready</name>
<description>Timer is not in RESET state and can operate</description>
<value>0</value>
</enumeratedValue>
<enumeratedValue>
<name>In_Reset</name>
<description>Timer is in RESET state and can not operate</description>
<value>1</value>
</enumeratedValue>
</enumeratedValues>
</field>
<!-- RELOAD: Shows the currently active Reload Register -->
<field>
<name>RELOAD</name>
<description>Shows the currently active RELOAD Register</description>
<bitRange>[15:14]</bitRange>
<access>read-only</access>
<enumeratedValues>
<enumeratedValue>
<name>RELOAD0</name>
<description>Reload Register number 0 is active</description>
<value>0</value>
</enumeratedValue>
<enumeratedValue>
<name>RELOAD1</name>
<description>Reload Register number 1 is active</description>
<value>1</value>
</enumeratedValue>
<enumeratedValue>
<name>RELOAD2</name>
<description>Reload Register number 2 is active</description>
<value>2</value>
</enumeratedValue>
<enumeratedValue>
<name>RELOAD3</name>
<description>Reload Register number 3 is active</description>
<value>3</value>
</enumeratedValue>
</enumeratedValues>
</field>
</fields>
</register>
<!-- INT: Interrupt Register -->
<register>
<name>INT</name>
<description>Interrupt Register</description>
<addressOffset>0x10</addressOffset>
<size>16</size>
<access>read-write</access>
<resetValue>0x00000000</resetValue>
<resetMask>0x0771</resetMask>
<fields>
<!-- EN: Interrupt Enable -->
<field>
<name>EN</name>
<description>Interrupt Enable</description>
<bitRange>[0:0]</bitRange>
<access>read-write</access>
<enumeratedValues>
<enumeratedValue>
<name>Disabled</name>
<description>Timer does not generate Interrupts</description>
<value>0</value>
</enumeratedValue>
<enumeratedValue>
<name>Enable</name>
<description>Timer triggers the TIMERn Interrupt</description>
<value>1</value>
</enumeratedValue>
</enumeratedValues>
</field>
<!-- MODE: Interrupt Mode -->
<field>
<name>MODE</name>
<description>Interrupt Mode, selects on which condition the Timer should generate an Interrupt</description>
<bitRange>[6:4]</bitRange>
<access>read-write</access>
<enumeratedValues>
<enumeratedValue>
<name>Match</name>
<description>Timer generates an Interrupt when the MATCH condition is hit</description>
<value>0</value>
</enumeratedValue>
<enumeratedValue>
<name>Underflow</name>
<description>Timer generates an Interrupt when it underflows</description>
<value>1</value>
</enumeratedValue>
<enumeratedValue>
<name>Overflow</name>
<description>Timer generates an Interrupt when it overflows</description>
<value>2</value>
</enumeratedValue>
</enumeratedValues>
</field>
</fields>
</register>
<!-- COUNT: Counter Register -->
<register>
<name>COUNT</name>
<description>The Counter Register reflects the actual Value of the Timer/Counter</description>
<addressOffset>0x20</addressOffset>
<size>32</size>
<access>read-write</access>
<resetValue>0x00000000</resetValue>
<resetMask>0xFFFFFFFF</resetMask>
</register>
<!-- MATCH: Match Register -->
<register>
<name>MATCH</name>
<description>The Match Register stores the compare Value for the MATCH condition</description>
<addressOffset>0x24</addressOffset>
<size>32</size>
<access>read-write</access>
<resetValue>0x00000000</resetValue>
<resetMask>0xFFFFFFFF</resetMask>
</register>
<!-- PRESCALE: Prescale Read Register -->
<register>
<name>PRESCALE_RD</name>
<description>The Prescale Register stores the Value for the prescaler. The cont event gets divided by this value</description>
<addressOffset>0x28</addressOffset>
<size>32</size>
<access>read-only</access>
<resetValue>0x00000000</resetValue>
<resetMask>0xFFFFFFFF</resetMask>
</register>
<!-- PRESCALE: Prescale Write Register -->
<register>
<name>PRESCALE_WR</name>
<description>The Prescale Register stores the Value for the prescaler. The cont event gets divided by this value</description>
<addressOffset>0x28</addressOffset>
<size>32</size>
<access>write-only</access>
<resetValue>0x00000000</resetValue>
<resetMask>0xFFFFFFFF</resetMask>
</register>
<!-- RELOAD: Array of Reload Register with 4 elements-->
<register>
<dim>4</dim>
<dimIncrement>4</dimIncrement>
<dimIndex>0,1,2,3</dimIndex>
<name>RELOAD[%s]</name>
<description>The Reload Register stores the Value the COUNT Register gets reloaded on a when a condition was met.</description>
<addressOffset>0x50</addressOffset>
<size>32</size>
<access>read-write</access>
<resetValue>0x00000000</resetValue>
<resetMask>0xFFFFFFFF</resetMask>
</register>
</registers>
</peripheral>
<!-- Timer 1 -->
<peripheral derivedFrom="TIMER0">
<name>TIMER1</name>
<baseAddress>0x40010100</baseAddress>
<interrupt>
<name>TIMER1</name>
<value>4</value>
</interrupt>
</peripheral>
<!-- Timer 2 -->
<peripheral derivedFrom="TIMER0">
<name>TIMER2</name>
<baseAddress>0x40010200</baseAddress>
<interrupt>
<name>TIMER2</name>
<value>6</value>
</interrupt>
</peripheral>
</peripherals>
</device>