PD17012_15 Datasheet, PDF (297/320 Pages) Renesas Technology Corp – 4-BIT SINGLE-CHIP MICROCONTROLLERS WITH DIGITAL TUNING SYSTEM HARDWARE

µPD17012, 17P012
24. RESERVED SYMBOLS
24.1 Data Buffer (DBF)
Symbol Name
DBF3
DBF2
DBF1
DBF0
Attribute
MEM
MEM
MEM
MEM
Value
0.0CH
0.0DH
0.0EH
0.0FH
R/W
R/W
R/W
R/W
R/W
Bits 15 through 12 of DBF
Bits 11 through 8 of DBF
Bits 7 through 4 of DBF
Bits 3 through 0 of DBF
Description
24.2 System Register (SYSREG)
Symbol Name
AR3
AR2
AR1
AR0
WR
BANK
IXH
MPH
MPE
IXM
MPL
IXL
RPH
RPL
PSW
BCD
CMP
CY
Z
IXE
Attribute
MEM
MEM
MEM
MEM
MEM
MEM
MEM
MEM
FLG
MEM
MEM
MEM
MEM
MEM
MEM
FLG
FLG
FLG
FLG
FLG
Value
0.74H
0.75H
0.76H
0.77H
0.78H
0.79H
0.7AH
0.7AH
0.7AH.3
0.7BH
0.7BH
0.7CH
0.7DH
0.7EH
0.7FH
0.7EH.0
0.7FH.3
0.7FH.2
0.7FH.1
0.7FH.0
R/W
R
R
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Description
Bits 15 through 12 of address register
Bits 11 through 8 of address register
Bits 7 through 4 of address register
Bits 3 through 0 of address register
Window register
Bank register
Index register, high
Memory pointer, high
Memory pointer enable flag
Index register, middle
Memory pointer, low
Index register, low
General register pointer, high
General register pointer, low
Program status word
BCD operation flag
Compare flag
Carry flag
Zero flag
Index enable flag
Data Sheet U10101EJ4V0DS
295