
MB89630 Series
24
I
I/O MAP
(Continued)
Address
Read/
write
Register
name
Register description
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
00
H
(R/W)
PDR0
Port 0 data register
PD07 PD06 PD05 PD04 PD03 PD02 PD01 PD00
01
H
(W)
DDR0
Port 0 data direction register
DD07 DD06 DD05 DD04 DD03 DD02 DD01 DD00
02
H
(R/W)
PDR1
Port 1 data register
PD17 PD16 PD15 PD14 PD13 PD12 PD11 PD10
03
H
(W)
DDR1
Port 1 data direction register
DD17 DD16 DD15 DD14 DD13 DD12 DD11 DD10
04
H
(R/W)
PDR2
Port 2 data register
PD27 PD26 PD25 PD24 PD23 PD22 PD21 PD20
05
H
(W)
BCTR
External bus pin control register
—
—
—
—
—
—
HLD
BUF
06
H
Vacancy
07
H
(R/W)
SYCC
System clock control register
SMC
—
—
WT1
WT0
SCS
CS1
CS0
08
H
(R/W)
STBC
System clock control register
STP
SLP
SPL
RST
TMD
—
—
—
09
H
(R/W)
WDTE
Watchdog timer control register
CS
—
—
—
WTE3 WTE2 WTE1 WTE0
0A
H
(R/W)
TBCR
Time-base timer control register
TBOF
TBIE
—
—
—
TBC1 TBC0 TBR
0B
H
(R/W)
WPCR Watch prescaler control register
WIF
WIE
—
—
—
WS1
WS0
WCLR
0C
H
(R/W)
CHG3
Port 3 switching register
—
—
CG35 CG34 CG33
—
—
—
0D
H
(R/W)
PDR3
Port 3 data register
PD37 PD36 PD35 PD34 PD33 PD32 PD31 PD30
0E
H
(W)
DDR3
Port 3 data direction register
DD37 DD36 DD35 DD34 DD33 DD32 DD31 DD30
0F
H
(R/W)
PDR4
Port 4 data register
—
—
—
—
PD43 PD42 PD41 PD40
10
H
(W)
DDR4
Port 4 data direction register
—
—
—
—
DD43 DD42 DD41 DD40
11
H
(R/W)
BUZR
Buzzer register
—
—
—
—
—
—
BUZ1 BUZ0
12
H
(R/W)
PDR5
Port 5 data register
—
—
—
—
PD53 PD52 PD51 PD50
13
H
(R/W)
PDR6
Port 6 data register
PD67 PD66 PD65 PD64 PD63 PD62 PD61 PD60
14
H
(R)
PDR7
Port 7 data register
—
—
—
PD74 PD73 PD72 PD71 PD70
15
H
(R/W)
PCR1
PWC pulse width control register 1
EN
TOE
IE
—
—
UF
IR
BF
16
H
(R/W)
PCR2
PWC pulse width control register 2
FC
RM
TO
—
C1
C0
W1
W0
17
H
(R/W)
RLBR
PWC reload buffer register
RLB7 RLB6 RLB5 RLB4 RLB3 RLB2 RLB1 RLB0
18
H
(R/W)
TMCR
16-bit timer control register
—
—
TCR
TCS1 TCS0 TCEF TCIE
TCS
19
H
(R/W)
TCHR
16-bit timer count register (H)
TC15 TC14 TC13 TC12 TC11 TC10 TC09 TC08
1A
H
(R/W))
TCLR
16-bit timer count register (L)
TC07 TC06 TC05 TC04 TC03 TC02 TC01 TC00
1B
H
Vacancy
1C
H
(R/W)
SMR1
Serial mode register
SIOF SIOE
SCKE
SOE
CKS1 CKS0 BDS
SST
1D
H
(R/W)
SDR1
Serial data register
SD07 SD06 SD05 SD04 SD03 SD02 SD01 SD00
1E
H
Vacancy
1F
H
Vacancy