upd17225 Renesas Electronics Corporation., upd17225 Datasheet - Page 55

• Manufacturer Part Number: upd17225
• Description: 4-bit Single-chip Microcontroller For Small General-purpose Infrared Remote Control Transmitter
• Manufacturer: Renesas Electronics Corporation.

Note R:
DBF3
DBF2
DBF1
DBF0
AR3
AR2
AR1
AR0
WR
BANK
IXH
MPH
MPE
IXM
MPL
IXL
RPH
RPL
PSW
BCD
CMP
CY
Z
IXE
P0A0
P0A1
P0A2
P0A3
P0B0
P0B1
P0B2
P0B3
P0C0
P0C1
P0C2
P0C3
P0D0
P0D1
P0D2
P0D3
Symbol Name
PD17225, 17226
Attribute
MEM
MEM
MEM
MEM
MEM
MEM
MEM
MEM
MEM
MEM
MEM
MEM
MEM
MEM
MEM
MEM
MEM
MEM
FLG
FLG
FLG
FLG
FLG
FLG
FLG
FLG
FLG
FLG
FLG
FLG
FLG
FLG
FLG
FLG
FLG
FLG
FLG
FLG
FLG
FLG
R/W:
0.0CH
0.0DH
0.0EH
0.0FH
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
0.70H.0
0.70H.1
0.70H.2
0.70H.3
0.71H.0
0.71H.1
0.71H.2
0.71H.3
0.72H.0
0.72H.1
0.72H.2
0.72H.3
0.73H.0
0.73H.1
0.73H.2
0.73H.3
Table 11-2. Reserved Symbols (1/2)
Value
PD17227, 17228
Data Sheet U12643EJ2V0DS00
Note
Note
Note
Note
Note
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
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
PD17225, 17226, 17227, 17228
Bits 15-12 of data buffer
Bits 11-8 of data buffer
Bits 7-4 of data buffer
Bits 3-0 of data buffer
Bits 15-12 of address register
Bits 11-8 of address register
Bits 7-4 of address register
Bits 3-0 of address register
Window register
Bank register
Index register, high
Data memory row address pointer, high
Memory pointer enable flag
Index register, middle
Data memory row address pointer, low
Index register, low
General register pointer, high
General register pointer, low
Program status word
BCD flag
Compare flag
Carry flag
Zero flag
Index enable flag
Bit 0 of port 0A
Bit 1 of port 0A
Bit 2 of port 0A
Bit 3 of port 0A
Bit 0 of port 0B
Bit 1 of port 0B
Bit 2 of port 0B
Bit 3 of port 0B
Bit 0 of port 0C
Bit 1 of port 0C
Bit 2 of port 0C
Bit 3 of port 0C
Bit 0 of port 0D
Bit 1 of port 0D
Bit 2 of port 0D
Bit 3 of port 0D
Description
55