TMP92CM22 2007-02-16 92CM22-6

Table 2.2.2 Pin Names and Functions (2/2)

Pin Names Number

of Pins I/O Functions

PC0
TA0IN 1 I/O
Input
Port C0: I/O port.
Timer input: 8-bit timer A0 input.
PC1
INT1
TA1OUT
1
I/O
Input
Output
Port C1: I/O port.
Interrupt request pin 1: Interrupt request pin with programmable level/rising edge/falling edge.
Timer output: 8-bit timer A0 or timer A1 output.
PC3
INT0 1 I/O
Input
Port C3: I/O port.
Interrupt request pin 0: Interrupt request pin with programmable level/rising edge/falling edge.
PC5
INT2
TA3OUT
1
I/O
Input
Output
Port C5: I/O port.
Interrupt request pin 2: Interrupt request pin with programmable level/rising edge/falling edge.
Timer output: 8-bit timer A2 or timer A3 output.
PC6
INT3
TB0OUT0
1
I/O
Input
Output
Port C6: I/O port.
Interrupt request pin 3: Interrupt request pin with programmable level/rising edge/falling edge.
Timer output: 16-bit timer B0 output.
PD0
INT4
TB1IN0
1
I/O
Input
Input
Port D0: I/O port.
Interrupt request pin 4: Interrupt request pin with programmable rising edge/falling edge.
Timer input: 16-bit timer B1 input 0.
PD1
INT5
TB1IN1
1
I/O
Input
Input
Port D1: I/O port.
Interrupt request pin 5: Interrupt request pin with programmable rising edge/falling edge.
Timer input: 16-bit timer B1 input 1.
PD2
TB1OUT0 1 I/O
Output
Port D2: I/O port.
Timer output: 16-bit timer B1 output 0.
PD3
TB1OUT1 1 I/O
Output
Port D3: I/O port.
Timer output: 16-bit timer B1 output 1.
PF0
TXD0 1 I/O
Output
Port F0: I/O port.
Serial send data 0: (Open-drain output mode by programmable.)
PF1
RXD0 1 I/O
Input
Port F1: I/O port.
Serial receive data 0.
PF2
SCLK0
0CTS
1
I/O
I/O
Input
Port F2: I/O port.
Serial 0 clock I/O.
Serial data send enable 0 (Clear to send).
PF3
TXD1 1 I/O
Output
Port F3: I/O port.
Serial send data 1: (Open-drain output mode by programmable.)
PF4
RXD1 1 I/O
Input
Port F4: I/O port.
Serial receive data 1.
PF5
SCLK1
1CTS
1
I/O
I/O
Input
Port F5: I/O port.
Serial 1 clock I/O.
Serial data send enable 1 (Clear to send).
PF6 to PF7 2 I/O Port F6 to F7: I/O port.
PG0 to PG7
AN0 to AN7
ADTRG
8
Input
Input
Input
Port G0 to G7: Input port.
Analog input 0 to 7: Pin used to input to AD converter.
AD trigger: Pin used to request AD converter start (Share with PG3).
NMI 1 Input Non-Maskable interrupt request pin.
AM0, AM1 2 Input
Operation mode:
Fixed to AM1 = “0”, AM0 = “1”: External 16-bit bus start, 8-/16-bit dynamic sizing.
Fixed to AM1 = “1”, AM0 = “0”: External 8-bit bus start, 8-/16-bit dynamic sizing.
X1/X2 2 I/O High-frequency oscillator connection pin.
RESET 1 Input Reset: Initialize TMP92CM22 (Schmitt input, with pull-up resistor).
VREFH 1 Input Pin for reference voltage input to AD converter (H).
VREFL 1 Input Pin for reference voltage input to AD converter (L).
AVCC 1 Power supply pin for AD converter.
AVSS 1 GND pin for AD converter (0 V).
DVCC 3 Power supply pins (All Vcc pins should be connected with the power supply pin).
DVSS 4 − GND pins (0 V) (All DVSS pins should be connected with GND (0 V)).