ST72E331 ST72T331
Table 1. ST72T331Nx Pin Description
Pin n° Pin n°
QFP64 SDIP56
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
19
20
21
22
23
24
25
26
27
28
29
30
31
15
16
17
18
49
50
51
52
53
54
55
56
1
2
3
4
5
6
7
8
9
10
11
12
13
14
PE4
PE5
PE6
PE7
PB0
PB1
PB2
PB3
PB4
PB5
PB6
PB7
PD0/AIN0
PD1/AIN1
PD2/AIN2
PD3/AIN3
PD4/AIN4
PD5/AIN5
PD6/AIN6
PD7/AIN7
V
DDA
V
SSA
V
DD_3
V
SS_3
PF0/CLKOUT
PF1
PF2
NC
PF4/OCMP1_A
NC
PF6/ICAP1_A
PF7/EXTCLK_A
V
DD_0
V
SS_0
PC0/OCMP2_B
PC1/OCMP1_B
PC2/ICAP2_B
PC3/ICAP1_B
PC4/MISO
PC5/MOSI
PC6/SCK
PC7/SS
PA0
I/O
I/O
S
S
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
Pin Name
Type
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
S
S
S
S
I/O
I/O
I/O
I/O
Port E4
Port E5
Port E6
Port E7
Port B0
Port B1
Port B2
Port B3
Port B4
Port B5
Port B6
Port B7
Description
Remarks
High Sink
High Sink
High Sink
High Sink
External Interrupt: EI2
External Interrupt: EI2
External Interrupt: EI2
External Interrupt: EI2
External Interrupt: EI3
External Interrupt: EI3
External Interrupt: EI3
External Interrupt: EI3
Port D0 or ADC Analog Input 0
Port D1 or ADC Analog Input 1
Port D2 or ADC Analog Input 2
Port D3 or ADC Analog Input 3
Port D4 or ADC Analog Input 4
Port D5 or ADC Analog Input 5
Port D6 or ADC Analog Input 6
Port D7 or ADC Analog Input 7
Power Supply for analog peripheral (ADC)
Ground for analog peripheral (ADC)
Main power supply
Ground
Port F0 or CPU Clock Output
Port F1
Port F2
Not Connected
Port F4 or Timer A Output Compare 1
Not Connected
Port F6 or Timer A Input Capture 1
Port F7 or External Clock on Timer A
Main power supply
Ground
Port C0 or Timer B Output Compare 2
Port C1 or Timer B Output Compare 1
Port C2 or Timer B Input Capture 2
Port C3 or Timer B Input Capture 1
Port C4 or SPI Master In / Slave Out Data
Port C5 or SPI Master Out / Slave In Data
Port C6 or SPI Serial Clock
Port C7 or SPI Slave Select
Port A0
External Interrupt: EI0
External Interrupt: EI1
External Interrupt: EI1
External Interrupt: EI1
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