TMP91C824
91C824-238
2008-02-20
(2)
I/O port control (2/2)
Symbol
Name
Address
7 6 5 4 3 2 1 0
ODEP72
ODEP71
W
0
0
P7ODE
Port 7
open
drain
1FH
(Prohibit
RMW)
0: 3 states
1: Open drain
PB6C PB5C PB4C PB3C PB2C PB1C PB0C
W
0 0 0 0 0 0 0
PBCR
Port B
control
24H
(Prohibit
RMW)
0: Input 1: Output
PB6F PB5F PB4F PB3F PB2F PB1F
W W W W W W
0 0 0 0 0 0
PBFC
Port B
function
25H
(Prohibit
RMW)
0: Port
1: INT3
0: Port
1: INT2
0: Port
1: INT1
0: Port
1: INT0
0: Port
1: TA3OUT
0: Port
1: TA1OUT
PC5C PC4C PC3C PC2C PC1C PC0C
W
0 0 0 0 0 0
PCCR
Port C
control
26H
(Prohibit
RMW)
0: Input 1: Output
PC5F PC3F
PC2F PC0F
W W
W W
0 0 0 0
PCFC
Port C
function
27H
(Prohibit
RMW)
0: Port
1: SCLK1
0: Port
1: TXD1
0: Port
1: SCLK0
0: Port
1: TXD0
ODEPC3
ODEPC0
W W
0 0
PCODE
Port C
open
drain
28H
(Prohibit
RMW)
0: CMOS
1: Open
drain
0: CMOS
1: Open
drain
PD7F
PD6F
PD5F
W
W
W
0
0
0
PDFC
Port D
function
2AH
(Prohibit
RMW)
0: Port
1:
MLDALM
0: Port
1:
ALARM
@<PD6>=1
MLDALM
@<PD6>=0
0: Port
1: SCOUT
PZ3C
PZ2C
W
0
0
PZCR
Port Z
control
7EH
(Prohibit
RMW)
0: Input 1: Output
PZ3F
PZ2F
W
0
0
PZFC
Port Z
function
7FH
(Prohibit
RMW)
0: Port
1: R/
W
0: Port
1:
HWR