参数资料
型号: MB91F313APMC-GE1
元件分类: 微控制器/微处理器
英文描述: 32-BIT, FLASH, 33 MHz, RISC MICROCONTROLLER, PQFP120
封装: 16 X 16 MM, 1.70 MM HEIGHT, 0.50 MM PITCH, PLASTIC, LQFP-120
文件页数: 20/72页
文件大小: 1843K
代理商: MB91F313APMC-GE1
MB91313A Series
DS07-16706-4E
27
4.
Register
General-purpose registers
Registers R0 to R15 are general-purpose registers. These registers are used as the accumulator and memory
access pointers in CPU operations.
Of these 16 registers, the registers listed below are intended for special applications, for which some instruc-
tions are enhanced.
R13 : Virtual accumulator (AC)
R14 : Frame pointer (FP)
R15 : Stack pointer (SP)
The initial values of R0 to R14 after a reset are indeterminate. R15 is initialized to 00000000H (SSP value).
PS (Program Status)
This register holds the program status and is divided into the ILM, SCR, and CCR.
All undefined bits are reserved bits. Reading these bits always returns “0”. Writing to them has no effect.
R0
R1
R12
R13
R14
R15
AC
FP
...
SP
...
XXXX XXXXH
0000 0000H
32 bits
[Initial Value]
bit 31
bit 0
bit 20
bit 10
bit 16
bit 8 bit 7
ILM
SCR
CCR
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