4583 Datasheet, PDF (77/153 Pages) Renesas Technology Corp – SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER

4583 Group
PRELIMINARY
Notice: This is not a final specification.
Some parametric limits are subject to change.
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 Not used
FR22 Port D6/CNTR0 output structure selection bit
FR21 Port D5 output structure selection bit
FR20 Port D4 output structure selection bit
at reset : 00002
at RAM back-up : 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 RAM back-up : 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 RAM back-up : state retained
0
This bit has no function, but write is enabled.
1
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
8-bit general-purpose register SI
at reset : undefined
at RAM back-up : undefined
8-bit general purpose register.
8-bit data can be transferred between register A and register B with the TABSI and TSIAB instructions.
Note: “R” represents read enabled, and “W” represents write enabled.
R/W
Rev.3.00 Aug 06, 2004 page 77 of 151
REJ03B0009-0300Z