UPD784031 Datasheet, PDF (23/90 Pages) NEC – 16/8-BIT SINGLE-CHIP MICROCONTROLLER

µPD784031
Table 7-1. Special Function Registers (SFRs) (1/4)
Address^Note
Special function register (SFR) name
Manipulatable bits
Abbreviation R/W
When reset
1 bit 8 bits 16 bits
0FF00H
Port 0
P0
R/W o
o
- Undefined
0FF01H
Port 1
P1
o
o
-
0FF02H
Port 2
P2
R
o
o
-
0FF03H
Port 3
P3
R/W o
o
-
0FF06H
Port 6
P6
o
o
- 00H
0FF07H
Port 7
P7
o
o
- Undefined
0FF0EH
Port 0 buffer register L P0L
o
o
-
0FF0FH
Port 0 buffer register H
P0H
o
o
-
0FF10H
Compare register (timer/counter 0)
CR00
-
-
o
0FF12H
Capture/compare register (timer/counter 0)
CR01
-
-
o
0FF14H
Compare register L (timer/counter 1)
CR10 CR10W
-
o
o
0FF15H
Compare register H (timer/counter 1)
-
-
-
0FF16H
Capture/compare register L (timer/counter 1) CR11 CR11W
-
o
o
0FF17H
Capture/compare register H (timer/counter 1)
-
-
-
0FF18H
Compare register L (timer/counter 2)
CR20 CR20W
-
o
o
0FF19H
Compare register H (timer/counter 2)
-
-
-
0FF1AH
Capture/compare register L (timer/counter 2) CR21 CR21W
-
o
o
0FF1BH
Capture/compare register H (timer/counter 2)
-
-
-
0FF1CH
Compare register L (timer 3)
CR30 CR30W
-
o
o
0FF1DH
Compare register H (timer 3)
-
-
-
0FF20H
Port 0 mode register
PM0
o
o
- FFH
0FF21H
Port 1 mode register
PM1
o
o
-
0FF23H
Port 3 mode register
PM3
o
o
-
0FF26H
Port 6 mode register
PM6
o
o
-
0FF27H
Port 7 mode register
PM7
o
o
-
0FF2EH
Real-time output port control register
RTPC
o
o
- 00H
0FF30H
Capture/compare control register 0
CRC0
-
o
- 10H
0FF31H
Timer output control register
TOC
o
o
- 00H
0FF32H
Capture/compare control register 1
CRC1
-
o
-
0FF33H
Capture/compare control register 2
CRC2
-
o
- 10H
Note Applicable when the LOCATION 0 instruction is executed. When the LOCATION 0FH instruction is
executed, F0000H is added to each address.
23