TMP91C824
91C824-
7
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 recive data “0”
P71
S0
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/recive data at I2C mode
Open drain output mode by programmable (with pull up)
Serial send data “0”
P72
SI
SCL
1 I/O
Input
I/O
Port 72I/O port
Serial bus interface recive data at SIO mode
Serial bus interface clock I/O data at I2C 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 A/D conveter
A/D trigger: Signal used to request A/D start (with used to P83)
PB0
TA0IN
1 I/O
Input
Port B0: I/O port
8bit timer 0 input: Timer 0 input
PB1
TA1OUT
1 I/O
Output
Port B1: I/O port
8bit timer 1 output: Timer 0 input or Timer 1 output
PB2
TA3OUT
1 I/O
Output
Port B2: I/O port
8bit timer 3 output: Timer 2 input or Timer 3 output
PB3
INT0
1 I/O
input
Port B0: I/O port
Interrupt request pin0: Interrupt request pin with programmable level / 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 level / 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 recive data