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UPD17010 Datasheet(PDF) 39 Page - NEC

Part # UPD17010
Description  4-BIT SINGLE-CHIP MICROCONTROLLER WITH HARDWARE DEDICATED TO DIGITAL TUNING SYSTEM
PDF  424 Pages
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Manufacturer  NEC [NEC]
Direct Link  http://www.nec.com/
Logo NEC - NEC

UPD17010 Datasheet(HTML) 39 Page - NEC

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39
µPD17010
5.2 System Register List
Figure 5-2 shows the configuration of the system register.
Figure 5-2. System Register Configuration
b3
b2
b1
b0
0
0
0
AR3
74H
b3
b2
b1
b0
AR2
75H
b3
b2
b1
b0
AR1
76H
b3
b2
b1
b0
AR0
77H
b3
b2
b1
b0
WR
78H
b3
b2
b1
b0
BANK
79H
00
Address
Name
Symbol
Bit
Data
Address register
(AR)
System register
Window register
(WR)
Bank register
(BANK)
b3
b2
b1
b0
M
P
E
0
0
IXH
7AH
b3
b2
b1
b0
IXM
7BH
b3
b2
b1
b0
IXL
7CH
b3
b2
b1
b0
RPH
7DH
b3
b2
b1
b0
RPL
7EH
b3
b2
b1
b0
PSW
7FH
00
Address
Name
Symbol
Bit
Data
Index register
(lX)
System register
General register pointer
(RP)
Program status
word
(PSWORD)
Data memory row
address pointer
(MP)
MPH
MPL
(IX)
(MP)
(RP)
B
C
D
C
M
P
C
Y
ZI
X
E



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