參數(shù)資料
型號: MB91314APMC-GE1
元件分類: 微控制器/微處理器
英文描述: 32-BIT, MROM, 33 MHz, RISC MICROCONTROLLER, PQFP120
封裝: 16 X 16 MM, 1.70 MM HEIGHT, 0.50 MM PITCH, PLASTIC, LQFP-120
文件頁數(shù): 20/73頁
文件大?。?/td> 810K
代理商: MB91314APMC-GE1
MB91314A Series
27
4.
Register
General purpose registers
Registers R0 to R15 are general purpose registers. The registers are used as the accumulator and memory
access pointers for CPU operations.
Of these 16 registers, the registers listed below are intended for special applications, for which some instructions
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 of 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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