參數(shù)資料
型號： ST72331
廠商： 意法半導(dǎo)體
英文描述： 8-Bit MCU with 8 to 16K ROM/OTP/EPROM, 256 EEPROM, 384 to 512 Bytes RAM, ADC, WDG, SCI, SPI and 2 Timers(8位微控制器(8M))
中文描述： 8位微控制器與8至16K的光碟/雙層/存儲器，256的EEPROM，384字節(jié)RAM為512，藝發(fā)局，水分散粒劑，脊髓損傷，SPI和2計時器（8位微控制器（8米））
文件頁數(shù)： 7/98頁
文件大小： 1123K
代理商： ST72331
7/98
ST72331
Note 1: V
PP
on EPROM/OTP only.
Table 2. ST72331Jx Pin Description
44
45
46
47
48
49
50
51
52
32
33
34
35
36
37
38
39
40
PA1
PA2
PA3
V
DD_1
V
SS_1
PA4
PA5
PA6
PA7
I/O
I/O
I/O
S
S
I/O
I/O
I/O
I/O
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
PP.
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
External Interrupt: EI0
External Interrupt: EI0
External Interrupt: EI0
High Sink
High Sink
High Sink
High Sink
53
41
TEST/V
PP1)
S
This pin must be tied
low in user mode
54
55
56
57
58
59
60
61
62
63
64
42
RESET
NC
NC
V
SS_2
OSCOUT
OSCIN
V
DD_2
PE0/TDO
PE1/RDI
NC
NC
I/O
43
44
45
46
47
48
S
O
I
S
I/O
I/O
Pin n°
QFP64
Pin n°
SDIP56
Pin Name
Type
Description
Remarks
Pin n°
QFP44
Pin n°
SDIP42
Pin Name
Type
Description
Remarks
1
2
3
4
5
6
7
8
9
38
39
40
41
42
1
2
3
4
5
6
7
8
9
10
11
12
PE1/RDI
PB0
PB1
PB2
PB3
PB4
PD0/AIN0
PD1/AIN1
PD2/AIN2
PD3/AIN3
PD4/AIN4
PD5/AIN5
V
DDA
V
SSA
PF0/CLKOUT
PF1
PF2
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
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
External Interrupt: EI2
External Interrupt: EI2
External Interrupt: EI2
External Interrupt: EI2
External Interrupt: EI3
10
11
12
13
14
15
16
17
External Interrupt: EI1
External Interrupt: EI1
External Interrupt: EI1
69
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