參數(shù)資料
型號: MB91F155PFV-G
廠商: FUJITSU LTD
元件分類: 微控制器/微處理器
英文描述: 32-bit Proprietary Microcontrollers
中文描述: 32-BIT, FLASH, 33 MHz, RISC MICROCONTROLLER, PQFP144
封裝: PLASTIC, LQFP-144
文件頁數(shù): 24/104頁
文件大小: 918K
代理商: MB91F155PFV-G
MB91F155/MB91154
24
I
GENERAL-PURPOSE REGISTERS
General-purpose registers are CPU registers R0 through R15 and used as accumulators during various oper-
ations and as memory access pointers (fields indicating addresses) .
Register Bank Configuration
Of the 16 general-purpose registers, the following registers are assumed for specific applications. For this reason,
some instructions are enhanced.
R13 : Virtual accumulator (AC)
R14 : Frame pointer (FP)
R15 : Stack pointer (SP)
Initial values to which R0 through R14 are reset are not defined. The initial value of R15 is 0000 0000
H
(the SSP
value) .
R0
R1
R12
R13
R14
R15
AC (Accumulator)
FP (Frame Pointer)
SP (Stack Pointer)
XXXX XXXX
H
Initial value
XXXX XXXX
H
0000 0000
H
32 bit
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