參數(shù)資料
型號: MB95F118BWPMT
元件分類: 微控制器/微處理器
英文描述: 8-BIT, FLASH, 16.25 MHz, MICROCONTROLLER, PQFP48
封裝: 7 X 7 MM, 1.70 MM HEIGHT, 0.50 MM PITCH, PLASTIC, LFQFP-48
文件頁數(shù): 13/68頁
文件大小: 2637K
代理商: MB95F118BWPMT
MB95110B Series
20
DS07-12615-3E
2.
Register
The MB95110B series has two types of registers; dedicated registers in the CPU and general-purpose registers
in the memory. The dedicated registers are as follows:
The PS can further be divided into higher 8 bits for use as a register bank pointer (RP) and a direct bank pointer
(DP) and the lower 8 bits for use as a condition code register (CCR). (Refer to the diagram below.)
Program counter (PC)
:
A 16-bit register to indicate locations where instructions are stored.
Accumulator (A)
: A 16-bit register for temporary storage of arithmetic operations. In the case of
an 8-bit data processing instruction, the lower one byte is used.
Temporary accumulator (T)
: A 16-bit register which performs arithmetic operations with the accumulator.
In the case of an 8-bit data processing instruction, the lower one byte is used.
Index register (IX)
:
A 16-bit register for index modification
Extra pointer (EP)
:
A 16-bit pointer to point to a memory address.
Stack pointer (SP)
:
A 16-bit register to indicate a stack area.
Program status (PS)
: A 16-bit register for storing a register bank pointer, a direct bank pointer, and
a condition code register
PC
A
T
IX
EP
SP
PS
16-bit
: Program counter
: Accumulator
: Temporary accumulator
: Index register
: Extra pointer
: Stack pointer
: Program status
Initial Value
FFFDH
0000H
0030H
PS
RP
CCR
bit15 bit14 bit13bit12 bit11 bit10
bit9
bit8
DP2
DP1
DP0
bit7
bit6
bit5
bit4
bit3bit2
bit1
bit0
R4
R3
R2
R1
R0
H
I
IL1
IL0
N
Z
V
C
DP
Structure of the program status
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