4559 Datasheet, PDF (81/148 Pages) Renesas Technology Corp – SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER

4559 Group
Pull-up control register PU0
PU03 Port P03 pull-up transistor control bit
PU02 Port P02 pull-up transistor control bit
PU01 Port P01 pull-up transistor control bit
PU00 Port P00 pull-up transistor control bit
Pull-up control register PU1
PU13 Port P13 pull-up transistor control bit
PU12 Port P12 pull-up transistor control bit
PU11 Port P11 pull-up transistor control bit
PU10 Port P10 pull-up transistor control bit
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
Pull-up control register PU2
PU23 Port P23 pull-up transistor control bit
PU22 Port P22 pull-up transistor control bit
PU21 Port P21 pull-up transistor control bit
PU20 Port P20 pull-up transistor control bit
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
Pull-up control register PU3
at reset : 00002
at power down : state retained
PU33 Port P33 pull-up transistor control bit
0 Pull-up transistor OFF
1 Pull-up transistor ON
PU32 Port P32 pull-up transistor control bit
0 Pull-up transistor OFF
1 Pull-up transistor ON
PU31 Port P31 pull-up transistor control bit
0 Pull-up transistor OFF
1 Pull-up transistor ON
PU30 Port P30 pull-up transistor control bit
0 Pull-up transistor OFF
1 Pull-up transistor ON
Note 1. “R” represents read enabled, and “W” represents write enabled.
R/W
TAPU0/TPU0A
R/W
TAPU1/TPU1A
R/W
TAPU2/TPU2A
R/W
TAPU3/TPU3A
Rev.1.04 Aug 23, 2007 Page 81 of 146
REJ03B0188-0104