參數(shù)資料
型號(hào): UPD17147
廠商: NEC Corp.
英文描述: SMALL, GENERAL-PURPOSE 4-BIT SINGLE-CHIP MICROCONTROLLERS
中文描述: 小,通用4位單晶片微控制器
文件頁數(shù): 75/102頁
文件大?。?/td> 408K
代理商: UPD17147
75
μ
PD17145(A1), 17147(A1), 17149(A1)
Figure 21-1. Configuration of System Register
Notes 1.
“0” in this field means that the bit is fixed to “0”.
b
3
and b
2
of AR2 of the
μ
PD17145 (A1) are fixed to 0. b
3
of AR2 of the
μ
PD17147 (A1) is fixed
to 0.
2.
Address
Name
Symbol
Bit
Data
Note 1
74H
75H
76H
77H
78H
79H
7AH
7BH
7CH
7DH
7EH
7FH
AR3
AR2
AR1
AR0
WR
BANK
IXH
IXM
IXL
RPH
RPL
PSW
MPH
MPL
b
3
b
2
b
1
b
0
b
3
b
2
b
1
b
0
b
3
b
2
b
1
b
0
b
3
b
2
b
1
b
0
b
3
b
2
b
1
b
0
b
3
b
2
b
1
b
0
b
3
b
2
b
1
b
0
b
3
b
2
b
1
b
0
b
3
b
2
b
1
b
0
b
3
b
2
b
1
b
0
b
3
b
2
b
1
b
0
b
3
b
2
b
1
b
0
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
0 0 0 0
0 0 0 0
0 0 0 0
0 0 0 0
(RP)
(MP)
(IX)
(BANK)
(AR)
M
P
E
B
C
D
C
M
P
C
Y Z
I
X
E
Address register
(AR)
Bank
register
(BANK)
Index register
(IX)
Data memory row
address pointer
(MP)
Undefined
Note 2
Initial
value
at reset
Window
register
(WR)
General register
pointer
(RP)
Program
status word
(PSWORD)
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