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PM0215 数据表(PDF) 12 Page - STMicroelectronics

部件名 PM0215
功能描述  STM32F0xxx Cortex-M0 programming manual
PDF  91 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

PM0215 数据表(HTML) 12 Page - STMicroelectronics

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The STM32 Cortex-M0 processor
PM0215
12/91
Doc ID 022979 Rev 1
2.1.3
Core registers
Figure 2.
Processor core registers
General-purpose registers
R0-R12 are 32-bit general-purpose registers for data operations.
Table 3.
Core register set summary
Name
Type(1)
1.
Describes access type during program execution in Thread and Handler modes. Debug access can differ.
Reset value
Description
R0-R12
read-write
Unknown
General-purpose registers on page 12
MSP
read-write
See description
Stack pointer (SP) register R13 on page 13
PSP
read-write
Unknown
Stack pointer (SP) register R13 on page 13
LR
read-write
Unknown
Link register (LR) register R14 on page 13
PC
read-write
See description
Program counter (PC) register R15 on page 13
PSR
read-write
Unknown(2)
2.
Bit[24] is the T-bit and is loaded from bit[0] of the reset vector.
Program status register on page 13
ASPR
read-write
Unknown
Application program status register on page 14
IPSR
read-only
0x00000000
Interrupt program status register on page 14
EPSR
read-only
Unknown(2)
Execution program status register on page 15
PRIMASK
read-write
0x00000000
Priority mask register on page 15
CONTROL
read-write
0x00000000
Control register on page 16
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