ST72E311 Datasheet, PDF (7/100 Pages) STMicroelectronics – 8-BIT MCU WITH 8 TO 16K OTP/EPROM, 384 TO 512 BYTES RAM, ADC, WDG, SCI, SPI AND 2 TIMERS

ST72E311 ST72T311
Pin n° Pin n°
QFP64 SDIP56
Pin Name
45 33 PA2
46 34 PA3
47
35 V_{DD_1}
48
36 V_{SS_1}
49 37 PA4
50 38 PA5
51 39 PA6
52 40 PA7
53
41 TEST/ V_PP1)
54 42 RESET
55
NC
56
NC
57
43 V_{SS_2}
58 44 OSCOUT
59 45 OSCIN
60
46 V_{DD_2}
61 47 PE0/TDO
62 48 PE1/RDI
63
NC
64
NC
Type
De scri ption
Rema rks
I/O
Port A2
External Interrupt: EI0
I/O
Port A3
External Interrupt: EI0
S
Main power supply
S
Ground
I/O
Port A4
High Sink
I/O
Port A5
High Sink
I/O
Port A6
High Sink
I/O
Port A7
High Sink
Test mode pin. In the EPROM programming
S
mode, this pin acts as the programming voltage
This pin must be tied
low in user mode
input V_PP.
I/O
Bidirectional. Active low. Top priority non maskable interrupt.
Not Connected
Not Connected
S
Ground
O
Input/Output Oscillator pin. These pins connect a parallel-resonant
I
crystal, or an external source to the on-chip oscillator.
S
Main power supply
I/O
Port E1 or SCI Transmit Data Out
I/O
Port E1 or SCI Receive Data In
Not Connected
Not Connected
Note 1: V_PP on EPROM/OTP only.
Table 2. ST72T311Jx Pin Description
Pin n° Pin n°
QFP44 SDIP42
Pin Name
1
38 PE1/RDI
2
39 PB0
3
40 PB1
4
41 PB2
5
42 PB3
6
1 PB4
7
2 PD0/AIN0
8
3 PD1/AIN1
9
4 PD2/AIN2
10
5 PD3/AIN3
11
6 PD4/AIN4
12
7 PD5/AIN5
13
8
V_DDA
14
9
V_SSA
15
10 PF0/CLKOUT
16
11 PF1
17
12 PF2
18
13 PF4/OCMP1_A
Type
Description
I/O Port E1 or SCI Receive Data In
I/O Port B0
I/O Port B1
I/O Port B2
I/O Port B3
I/O Port B4
I/O Port D0 or ADC Analog Input 0
I/O Port D1 or ADC Analog Input 1
I/O Port D2 or ADC Analog Input 2
I/O Port D3 or ADC Analog Input 3
I/O Port D4 or ADC Analog Input 4
I/O Port D5 or ADC Analog Input 5
S
Power Supply for analog peripheral (ADC)
S
Ground for analog peripheral (ADC)
I/O Port F0 or CPU Clock Output
I/O Port F1
I/O Port F2
I/O Port F4 or Timer A Output Compare 1
Remarks
External Interrupt: EI2
External Interrupt: EI2
External Interrupt: EI2
External Interrupt: EI2
External Interrupt: EI3
External Interrupt: EI1
External Interrupt: EI1
External Interrupt: EI1
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