
CHAPTER 3 CPU FUNCTION
Preliminary User’s Manual U17790EJ1V0UD
80
(6/14)
Manipulatable Bits
Address
Function Register Name
Symbol
R/W
1
8
16
Default Value
FFFFF324H
BRG2 prescaler mode register
PRSM2
√
00H
FFFFF325H
BRG2 prescaler compare register
PRSCM2
√
00H
FFFFF328H
BRG3 prescaler mode register
PRSM3
√
00H
FFFFF329H
BRG3 prescaler compare register
PRSCM3
√
00H
FFFFF340H
IIC division clock select register 0
OCKS0
√
00H
FFFFF344H
IIC division clock select register 1
OCKS1
√
00H
FFFFF348H
IEBus clock select register
OCKS2
√
00H
FFFFF360H
IEBus control register
BCR
√
00H
FFFFF361H
IEBus power save register
PSR
R/W
√
00H
FFFFF362H
IEBus slave status register
SSR
√
81H
FFFFF363H
IEBus unit status register
USR
R
√
00H
FFFFF364H
IEBus interrupt status register
ISR
√
00H
FFFFF365H
IEBus error status register
ESR
√
00H
FFFFF366H
IEBus unit address register
UAR
√
0000H
FFFFF368H
IEBus slave address register
SAR
R/W
√
0000H
FFFFF36AH
IEBus partner address register
PAR
√
0000H
FFFFF36CH
IEBus receive slave address register
RSA
R
√
0000H
FFFFF36EH
IEBus control data register
CDR
√
00H
FFFFF36FH
IEBus telegraph length register
DLR
√
01H
FFFFF370H
IEBus data register
DR
R/W
√
00H
FFFFF371H
IEBus field status register
FSR
√
00H
FFFFF372H
IEBus success count register
SCR
√
01H
FFFFF373H
IEBus communication count register
CCR
R
√
20H
FFFFF400H
Port 0 register
P0
√
00H
Note
FFFFF402H
Port 1 register
P1
√
00H
Note
FFFFF406H
Port 3 register
P3
√
0000H
Note
FFFFF406H
Port 3L register
P3L
√
00H
Note
FFFFF407H
Port 3H register
P3H
√
00H
Note
FFFFF408H
Port 4 register
P4
√
00H
Note
FFFFF40AH
Port 5 register
P5
√
00H
Note
FFFFF40CH
Port 6 register
P6
√
0000H
Note
FFFFF40CH
Port 6L register
P6L
√
00H
Note
FFFFF40DH
Port 6H register
P6H
√
00H
Note
FFFFF40EH
Port 7L register
P7L
√
00H
Note
FFFFF40FH
Port 7H register
P7H
√
00H
Note
FFFFF410H
Port 8 register
P8
√
00H
Note
FFFFF412H
Port 9 register
P9
√
0000H
Note
FFFFF412H
Port 9L register
P9L
√
00H
Note
FFFFF413H
Port 9H register
P9H
R/W
√
00H
Note
Notes The value of the output latch is 00H or 0000H. The status of the pin is read during input.