TMP91C824
91C824-7
2008-02-20
Table 2.3.2 Pin Names and Functions (2/3)
Pin Name
Number
of Pins
I/O Functions
P70
SCK
OPTRX0
1 I/O
I/O
Input
Port 70: I/O port
Serial bus interface clock I/O data at SIO mode
Serial 0 receive data
P71
SO
SDA
OPTTX0
1 I/O
Output
I/O
Output
Port 71: I/O port
Serial bus interface send data at SIO mode
Serial bus interface send/receive data at I
2
C bus mode
Open-drain output mode by programmable (with pull up)
Serial 0 send data
P72
SI
SCL
1 I/O
Input
I/O
Port 72: I/O port
Serial bus interface recive data at SIO mode
Serial bus interface clock I/O data at I
2
C bus mode
Open-drain output mode by programmable (with pull up)
P80 to P87
AN0 to AN7
ADTRG
8 Input
Input
Input
Port 80 to 87 port: Pin used to input ports
Analog input 0 to 7: Pin used to input to AD conveter
AD trigger: Signal used to request AD start (with used to P83)
PB0
TA0IN
1 I/O
Input
Port B0: I/O port
8-bit timer 0 input: Timer 0 input
PB1
TA1OUT
1 I/O
Output
Port B1: I/O port
8-bit timer 1 output: Timer 0 output or timer 1 output
PB2
TA3OUT
1 I/O
Output
Port B2: I/O port
8-bit timer 3 output: Timer 2 output or timer 3 output
PB3
INT0
1 I/O
Input
Port B0: I/O port
Interrupt request pin0: Interrupt request pin with programmable rising
/falling edge
PB4 to PB6
INT1 to INT3
3 I/O
Input
Port B4 to B6: I/O port
Interrupt request pin1 to 3: Interrupt request pin with programmable rising
/falling edge
PC0
TXD0
1 I/O
Output
Port C0: I/O port
Serial 0 send data: Open-drain output pin by programmable
PC1
RXD0
1 I/O
Input
Port C1: I/O port
Serial 0 receive data
