參數(shù)資料
型號: MB91108PFV
元件分類: 微控制器/微處理器
英文描述: 32-BIT, 50 MHz, RISC MICROCONTROLLER, PQFP120
封裝: PLASTIC, LQFP-120
文件頁數(shù): 14/96頁
文件大?。?/td> 1342K
代理商: MB91108PFV
MB91107/108
21
s GENERAL-PURPOSE REGISTERS
R0 to R15 are general-purpose registers embedded on the CPU. These registers functions as an accumulator
and a memory access pointer.
Of the above 16 registers, following registers have special functions. To support the special functions, part of
the instruction set has been sophisticated to have enhanced functions.
R13: Virtual accumulator (AC)
R14: Frame pointer (FP)
R15: Stack pointer (SP)
Upon reset, values in R0 to R14 are not fixed. Value in R15 is initialized to be 0000 0000H (SSP value).
32 bit
Initial value
R0
XXXX XXXXH
R1
:
::
:
R12
:
R13
AC
:
R14
FP
XXXX XXXXH
R15
SP
0 000 0000 H
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