4507_M Datasheet, PDF (66/216 Pages) Renesas Technology Corp – 4-BIT CISC SINGLE-CHIP MICROCOMPUTER 4500 SERIES

4507 Group
HARDWARE
CONTROL REGISTERS
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
at reset : 00002
at RAM back-up : state retained
W
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
PU13
PU12
PU11
PU10
Pull-up control register PU1
Port P13/INT pull-up transistor
control bit
Port P12/CNTR pull-up transistor
control bit
Port P11 pull-up transistor
control bit
Port P10 pull-up transistor
control bit
at reset : 00002
at RAM back-up : state retained
W
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
at reset : 00002
at RAM back-up : state retained
W
Port D3/K pull-up transistor
0
PU23 _{control bit}
1
Port D2/C pull-up transistor
0
PU22
control bit
1
Port P21/AIN1 pull-up transistor
0
PU21 _{control bit}
1
Port P20/AIN0 pull-up transistor
0
PU20
control bit
1
Notes 1: “R” represents read enabled, and “W” represents write enabled.
Pull-up transistor OFF
Pull-up transistor ON
Pull-up transistor OFF
Pull-up transistor ON
Pull-up transistor OFF
Pull-up transistor ON
Pull-up transistor OFF
Pull-up transistor ON
Rev.2.01 Feb 04, 2005
REJ09B0195-0201
1-54