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UPD17P136ACT Datasheet(PDF) 61 Page - NEC

Part # UPD17P136ACT
Description  4-BIT SINGLE-CHIP MICROCONTROLLER
PDF  292 Pages
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Manufacturer  NEC [NEC]
Direct Link  http://www.nec.com/
Logo NEC - NEC

UPD17P136ACT Datasheet(HTML) 61 Page - NEC

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CHAPTER 7 SYSTEM REGISTER (SYSREG)
42
Figure 7-2. System Register Configuration
Note
This bit is fixed to 0 in the case of the
µPD17134A and µPD17135A.
74H
75H
76H
77H
78H
79H
7AH
7BH
7CH
7DH
7EH
7FH
IXH
IXM
MPH
MPL
AR3
AR2
AR1
AR0
WR
BANK
Symbol
Address
Window
register
(WR)
Bank
register
(BANK)
Address register
(AR)
General
register
pointer
(RP)
Program
status
word
(PSWORD)
IXL
RPH
RPL
PSW
Data memory
row address
pointer (MP)
Index register (IX)
Name
Bit
M
P
E
B
C
D
C
M
P
C
Y Z
I
X
E
00000
000
000
000
Data
b3 b2 b1 b0
(IX)
(RP)
(BANK)
(MP)
(AR)
00000
0000000000 Undefined 0000000000000000000000000000
Initial value
when
reset
0
Note
b3 b2 b1 b0 b3 b2 b1 b0 b3 b2 b1 b0 b3 b2 b1 b0 b3 b2 b1 b0 b3 b2 b1 b0 b3 b2 b1 b0 b3 b2 b1 b0 b3 b2 b1 b0 b3 b2 b1 b0 b3 b2 b1 b0



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