PD17012_15 Datasheet, PDF (42/320 Pages) Renesas Technology Corp – 4-BIT SINGLE-CHIP MICROCONTROLLERS WITH DIGITAL TUNING SYSTEM HARDWARE

µPD17012, 17P012
5.2 System Register List
Figure 5-2 shows the configuration of the system register.
Figure 5-2. Configuration of System Register
Address
74H
Name
Symbol
AR3
75H
76H
77H
System register
Address register
(AR)
AR2
AR1
AR0
78H
Window
register
(WR)
WR
79H
Bank
register
(BANK)
BANK
Bit
Data
b3 b2 b1 b0 b3 b2 b1 b0 b3 b2 b1 b0 b3 b2 b1 b0 b3 b2 b1 b0 b3 b2 b1 b0
0000
00
Address
7AH
7BH
7CH
7DH
7EH
7FH
Name
System register
Index register (IX)
General register
Program status
Data memory row
pointer (RP)
word
address pointer (MP)
(PSWORD)
Symbol
IXH
IXM
IXL
RPH
RPL
PSW
MPH
MPL
Bit b3 b2 b1 b0 b3 b2 b1 b0 b3 b2 b1 b0 b3 b2 b1 b0 b3 b2 b1 b0 b3 b2 b1 b0
Data
M
P00
BCCZ I
(IX)
(RP)
00
CMY
X
E
(MP)
DP
E
40
Data Sheet U10101EJ4V0DS