參數(shù)資料
型號(hào): μPD789F806Y
廠商: NEC Corp.
英文描述: 8 Bit Single Chip Microcontrollers(8位單片微控制器)
中文描述: 8位單片機(jī)微控制器(8位單片微控制器)
文件頁數(shù): 52/125頁
文件大?。?/td> 366K
代理商: ΜPD789F806Y
CHAPTER 4 INSTRUCTION SET
35
4.2 INSTRUCTION CODES
4.2.1 Description of Instruction Code Table
r
rp
0
0
0
R0
X
0
0
RP0
AX
0
0
1
R1
A
0
1
RP1
BC
0
1
0
R2
C
1
0
RP2
DE
0
1
1
R3
B
1
1
RP3
HL
1
0
0
R4
E
1
0
1
R5
D
1
1
0
R6
L
1
1
1
R7
H
Bn
Data
Low/High byte : 16-bit immediate data corresponding to word
Saddr-offset
: 16-bit address lower 8-bit offset data corresponding to saddr
Sfr-offset
: sfr 16-bit address lower 8-bit offset data
Low/High addr : 16-bit immediate data corresponding to addr16
jdisp
: Signed two's complement data (8 bits) of relative address distance between the start and
branch addresses of the next instruction
ta
4-0
: 5 bits of immediate data corresponding to addr5
: Immediate data corresponding to bit
: 8-bit immediate data corresponding to byte
R
2
R
1
R
0
reg
P
1
P
0
reg-pair
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