ST72T331N2T6 STMicroelectronics, ST72T331N2T6 Datasheet - Page 8

• Manufacturer Part Number: ST72T331N2T6
• Description: 8-bit Microcontrollers - MCU OTP EPROM 8K SPI/SCI
• Manufacturer: STMicroelectronics

Specifications of ST72T331N2T6

• Product Category: 8-bit Microcontrollers - MCU
• Rohs: yes
• Core: ST7
• Data Bus Width: 8 bit
• Maximum Clock Frequency: 16 MHz
• Program Memory Size: 8 KB
• Data Ram Size: 384 B
• On-chip Adc: Yes
• Package / Case: TQFP-64
• Mounting Style: SMD/SMT
• A/d Bit Size: 8 bit
• A/d Channels Available: 8
• Interface Type: SCI, SPI
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Number Of Programmable I/os: 44
• Number Of Timers: 2
• On-chip Dac: No
• Program Memory Type: EPROM
• Factory Pack Quantity: 90
• Supply Voltage - Max: 5.5 V
• Supply Voltage - Min: 3.5 V

ST72E331 ST72T331
Table 2. ST72T331Jx Pin Description
8/107
8
QFP64
QFP44
Pin n°
Note 1: V
Pin n°
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
10
11
12
13
14
15
16
17
1
2
3
4
5
6
7
8
9
SDIP56
SDIP42
Pin n°
Pin n°
PP
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
38
39
40
41
42
10
11
12
1
2
3
4
5
6
7
8
9
on EPROM/OTP only.
PA1
PA2
PA3
V
V
PA4
PA5
PA6
PA7
TEST/V
RESET
NC
NC
V
OSCOUT
OSCIN
V
PE0/TDO
PE1/RDI
NC
NC
PE1/RDI
PB0
PB1
PB2
PB3
PB4
PD0/AIN0
PD1/AIN1
PD2/AIN2
PD3/AIN3
PD4/AIN4
PD5/AIN5
V
V
PF0/CLKOUT
PF1
PF2
DD_1
SS_1
SS_2
DD_2
DDA
SSA
Pin Name
Pin Name
PP
1)
I/O
I/O
I/O
S
S
I/O
I/O
I/O
I/O
S
I/O
S
O
I
S
I/O
I/O
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
S
S
I/O
I/O
I/O
Type
Port A1
Port A2
Port A3
Main power supply
Ground
Port A4
Port A5
Port A6
Port A7
Test mode pin . In the EPROM programming
mode, this pin acts as the programming voltage
input V
Bidirectional. Active low. Top priority non maskable interrupt.
Not Connected
Not Connected
Ground
Input/Output Oscillator pin. These pins connect a parallel-resonant
crystal, or an external source to the on-chip oscillator.
Main power supply
Port E1 or SCI Transmit Data Out
Port E1 or SCI Receive Data In
Not Connected
Not Connected
Port E1 or SCI Receive Data In
Port B0
Port B1
Port B2
Port B3
Port B4
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
Power Supply for analog peripheral (ADC)
Ground for analog peripheral (ADC)
Port F0 or CPU Clock Output
Port F1
Port F2
PP.
Description
Description
External Interrupt: EI2
External Interrupt: EI2
External Interrupt: EI2
External Interrupt: EI2
External Interrupt: EI3
External Interrupt: EI1
External Interrupt: EI1
External Interrupt: EI1
External Interrupt: EI0
External Interrupt: EI0
External Interrupt: EI0
High Sink
High Sink
High Sink
High Sink
This pin must be tied
low in user mode
Remarks
Remarks