参数资料
型号: ST72C314J4B1XXX
厂商: STMICROELECTRONICS
元件分类: 微控制器/微处理器
英文描述: 8-BIT, FLASH, 8 MHz, MICROCONTROLLER, PDIP42
封装: 0.600 INCH, PLASTIC, SDIP-42
文件页数: 2/153页
文件大小: 2235K
代理商: ST72C314J4B1XXX
ST72334J/N, ST72314J/N, ST72124J
10/153
PIN DESCRIPTION (Cont’d)
For external pin connection guidelines, refer to Section 16 "ELECTRICAL CHARACTERISTICS" on page
Legend / Abbreviations for Table 1:
Type:
I = input, O = output, S = supply
Input level:
A = Dedicated analog input
In/Output level: C = CMOS 0.3VDD/0.7VDD,
CT= CMOS 0.3VDD/0.7VDD with input trigger
Output level:
HS = 20mA high sink (on N-buffer only)
Port and control configuration:
– Input:
float = floating, wpu = weak pull-up, int = interrupt 1), ana = analog
– Output:
OD = open drain 2), PP = push-pull
Refer to Section 12 "I/O PORTS" on page 39 for more details on the software configuration of the I/O
ports.
The RESET configuration of each pin is shown in bold. This configuration is valid as long as the device is
in reset state.
Table 1. Device Pin Description
Pin n°
Pin Name
Type
Level
Port
Main
function
(after
reset)
Alternate function
T
QFP6
4
S
DIP56
Q
FP44
S
DIP42
Inp
ut
Out
put
Input
Output
float
wpu
int
ana
OD
PP
1 49
PE4 (HS)
I/O CT HS X
X
Port E4
2 50
PE5 (HS)
I/O CT HS X
X
Port E5
3 51
PE6 (HS)
I/O CT HS X
X
Port E6
4 52
PE7 (HS)
I/O CT HS X
X
Port E7
5 53 2 39 PB0
I/O
CT
X
ei2
X
Port B0
6 54 3 40 PB1
I/O
CT
X
ei2
X
Port B1
7 55 4 41 PB2
I/O
CT
X
ei2
X
Port B2
8 56 5 42 PB3
I/O
CT
X
ei2
X
Port B3
9
1
6
1
PB4
I/O
CT
X
ei3
X
Port B4
10 2
PB5
I/O
CT
X
ei3
X
Port B5
11 3
PB6
I/O
CT
X
ei3
X
Port B6
12 4
PB7
I/O
CT
X
ei3
X
Port B7
13 5
7
2
PD0/AIN0
I/O
CT
X
X
Port D0
ADC Analog Input 0
14 6
8
3
PD1/AIN1
I/O
CT
X
X
Port D1
ADC Analog Input 1
15 7
9
4
PD2/AIN2
I/O
CT
X
X
Port D2
ADC Analog Input 2
16 8 10 5
PD3/AIN3
I/O
CT
X
X
Port D3
ADC Analog Input 3
17 9 11 6
PD4/AIN4
I/O
CT
X
X
Port D4
ADC Analog Input 4
18 10 12 7
PD5/AIN5
I/O
CT
X
X
Port D5
ADC Analog Input 5
19 11
PD6/AIN6
I/O
CT
X
X
Port D6
ADC Analog Input 6
20 12
PD7/AIN7
I/O
CT
X
X
Port D7
ADC Analog Input 7
21 13 13 8
VDDA
S
Analog Power Supply Voltage
22 14 14 9
VSSA
S
Analog Ground Voltage
23
VDD_3
S
Digital Main Supply Voltage
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