參數(shù)資料
型號: MB90F574A
廠商: Fujitsu Limited
英文描述: Octal Bus Transceivers And Registers With 3-State Outputs 24-CFP -55 to 125
中文描述: 16位微控制器專有
文件頁數(shù): 21/135頁
文件大?。?/td> 2504K
代理商: MB90F574A
21
MB90570 Series
I
F
2
MC-16LX CPU PROGRAMMING MODEL
Dedicated registers
: Accumulator (A)
Dual 16-bit register used for storing results of calculation etc. The two 16-bit
registers can be combined to be used as a 32-bit register.
: Additional data bank register (ADB)
The 8-bit register indicating the additional data space.
: User stack pointer (USP)
The 16-bit pointer indicating a user stack address.
: User stack bank register (USB)
The 8-bit register indicating the user stack space.
: System stack pointer (SSP)
The 16-bit pointer indicating the status of the system stack address.
: Processor status (PS)
The 16-bit register indicating the system status.
: Program bank register (PCB)
The 8-bit register indicating the program space.
: Data bank register (DTB)
The 8-bit register indicating the data space.
: Program counter (PC)
The 16-bit register indicating storing location of the current instruction code.
: Direct page register (DPR)
The 8-bit register indicating bit 8 through 15 of the operand address in the short
direct addressing mode.
: System stack bank register (SSB)
The 8-bit register indicating the system stack space.
AH
AL
USP
SSP
DPR
PCB
DTB
USB
SSB
ADB
PS
PC
8-bit
16-bit
32-bit
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