4552 Datasheet, PDF (72/145 Pages) Renesas Technology Corp – SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER

4552 Group
Port output structure control register FR0
FR03
FR02
FR01
FR00
Ports P12, P13 output structure selection
bit
Ports P10, P11 output structure selection
bit
Ports P02, P03 output structure selection
bit
Ports P00, P01 output structure selection
bit
Port output structure control register FR1
FR13 Port D3 output structure selection bit
FR12 Port D2 output structure selection bit
FR11 Port D1 output structure selection bit
FR10 Port D0 output structure selection bit
Port output structure control register FR2
FR23 Ports P22, P23 output structure selection bit
FR22 Ports P20, P21 output structure selection bit
FR21 Port D5 output structure selection bit
FR20 Port D4 output structure selection bit
Note: “W” represents write enabled.
at reset : 00002
at power down : state retained
0
N-channel open-drain output
1
CMOS output
0
N-channel open-drain output
1
CMOS output
0
N-channel open-drain output
1
CMOS output
0
N-channel open-drain output
1
CMOS output
at reset : 00002
at power down : state retained
0
N-channel open-drain output
1
CMOS output
0
N-channel open-drain output
1
CMOS output
0
N-channel open-drain output
1
CMOS output
0
N-channel open-drain output
1
CMOS output
at reset : 00002
at power down : state retained
0
N-channel open-drain output
1
CMOS output
0
N-channel open-drain output
1
CMOS output
0
N-channel open-drain output
1
CMOS output
0
N-channel open-drain output
1
CMOS output
W
TFR0A
W
TFR1A
W
TFR2A
Rev.3.02 Dec 22, 2006 page 72 of 142
REJ03B0023-0302