參數(shù)資料
型號: MB91101APF
元件分類: 微控制器/微處理器
英文描述: 32-BIT, 50 MHz, RISC MICROCONTROLLER, PQFP100
封裝: PLASTIC, QFP-100
文件頁數(shù): 15/99頁
文件大?。?/td> 935K
代理商: MB91101APF
MB91101/MB91101A
22
s
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 (field for indicating address).
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).
Register bank structure
R0
R1
R12
R13
R14
R15
AC (accumulator)
FP (frame pointer)
SP (stack pointer)
32 bits
:
Initial value
XXXX
XXXXH
:
XXXX
XXXXH
0000
0000H
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