Table 3-4 Dwt Register Summary - ARM Cortex-M3 Technical Reference Manual

Name
PERIPID2
PERIPID3
PCELLID0
PCELLID1
PCELLID2
PCELLID3
Name
DWT_CTRL
DWT_CYCCNT
DWT_CPICNT
DWT_EXCCNT
DWT_SLEEPCNT
DWT_LSUCNT
DWT_FOLDCNT
DWT_COMP0
DWT_MASK0
DWT_FUNCTION0
DWT_COMP1
DWT_MASK1
ARM DDI 0337B
Type Address
0xE0002FE8
Read-only
0xE0002FEC
Read-only
0xE0002FF0
Read-only
0xE0002FF4
Read-only
0xE0002FF8
Read-only
0xE0002FFC
Read-only
Data Watchpoint and Trigger registers
Table 3-4 gives a summary of the Data Watchpoint and Trigger (DWT) registers. For a
detailed description of the DWT registers, see Chapter 11 System Debug.
Type Address
Read/write
0xE0001000
Read/write
0xE0001004
Read/write
0xE0001008
Read/write
0xE000100C
Read/write
0xE0001010
Read/write 0xE0001014
Read/write 0xE0001018
Read/write 0xE0001020
Read/write
0xE0001024
Read/write
0xE0001028
Read/write
0xE0001030
Read/write
0xE0001034
Copyright © 2005, 2006 ARM Limited. All rights reserved.
Table 3-3 Flash patch register summary (continued)
Reset value
-
-
-
-
-
-
Reset
Description
value
DWT Control Register
0x00000000
DWT Current PC Sampler Cycle Count Register
0x00000000
- DWT Current CPI Count Register
DWT Current Interrupt Overhead Count Register
-
DWT Current Sleep Count Register
-
- DWT Current LSU Count Register
- DWT Current Fold Count Register
- DWT Comparator Register
- DWT Mask Registers
DWT Function Registers
0x00000000
- DWT Comparator Register
- DWT Mask Registers
System Control
Description
Value 0x0B
Value 0x00
Value 0x0D
Value 0xE0
Value 0x05
Value 0xB1

Table 3-4 DWT register summary

3-7