4552 Datasheet, PDF (71/145 Pages) Renesas Technology Corp – SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER

4552 Group
LCD control register C1
C13
P03/SEG24 pin function switch bit
C12
P02/SEG23 pin function switch bit
C11
P01/SEG22 pin function switch bit
C10
P00/SEG21 pin function switch bit
LCD control register C2
C23
P13/SEG28 pin function switch bit
C22
P12/SEG27 pin function switch bit
C21
P11/SEG26 pin function switch bit
C20
P10/SEG25 pin function switch bit
PU03
PU02
PU01
PU00
Pull-up control register PU0
Port P03 pull-up transistor
control bit
Port P02 pull-up transistor
control bit
Port P01 pull-up transistor
control bit
Port P00 pull-up transistor
control bit
Pull-up control register PU1
PU13
PU12
PU11
PU10
Port P13 pull-up transistor
control bit
Port P12 pull-up transistor
control bit
Port P11 pull-up transistor
control bit
Port P10 pull-up transistor
control bit
Note: “W” represents write enabled.
at reset : 11112
0
SEG24
1
P03
0
SEG23
1
P02
0
SEG22
1
P01
0
SEG21
1
P00
at power down : state retained
W
TC1A
at reset : 11112
0
SEG28
1
P13
0
SEG27
1
P12
0
SEG26
1
P11
0
SEG25
1
P10
at power down : state retained
W
TC2A
at reset : 00002
at power down : state retained
0
Pull-up transistor OFF
1
Pull-up transistor ON
0
Pull-up transistor OFF
1
Pull-up transistor ON
0
Pull-up transistor OFF
1
Pull-up transistor ON
0
Pull-up transistor OFF
1
Pull-up transistor ON
at reset : 00002
at power down : state retained
0
Pull-up transistor OFF
1
Pull-up transistor ON
0
Pull-up transistor OFF
1
Pull-up transistor ON
0
Pull-up transistor OFF
1
Pull-up transistor ON
0
Pull-up transistor OFF
1
Pull-up transistor ON
R/W
TAPU0/
TPU0A
R/W
TAPU1/
TPU1A
Rev.3.02 Dec 22, 2006 page 71 of 142
REJ03B0023-0302