参数资料
型号: ST72C314J4TA
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, PQFP44
封装: 10 X 10 MM, ROHS COMPLIANT, TQFP-44
文件页数: 13/150页
文件大小: 3530K
代理商: ST72C314J4TA
ST72334xx-Auto, ST72314xx-Auto, ST72124Jx-Auto
11/150
PIN DESCRIPTION (Cont’d)
For external pin connection guidelines, refer to Section 15 "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 11 "I/O PORTS" on page 40 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
No.
Pin Name
Type
Level
Port
Main
function
(after
reset)
Alternate function
TQ
FP64
TQ
FP44
Input
Output
Input
Output
fl
oat
wp
u
int
ana
OD
PP
1
-
PE4 (HS)
I/O CT HS X
X
Port E4
2
-
PE5 (HS)
I/O CT HS X
X
Port E5
3
-
PE6 (HS)
I/O CT HS X
X
Port E6
4
-
PE7 (HS)
I/O CT HS X
X
Port E7
5
2
PB0
I/O
CT
X
ei2
X
Port B0
6
3
PB1
I/O
CT
X
ei2
X
Port B1
7
4
PB2
I/O
CT
X
ei2
X
Port B2
8
5
PB3
I/O
CT
X
ei2
X
Port B3
9
6
PB4
I/O
CT
X
ei3
X
Port B4
10 -
PB5
I/O
CT
X
ei3
X
Port B5
11 -
PB6
I/O
CT
X
ei3
X
Port B6
12 -
PB7
I/O
CT
X
ei3
X
Port B7
13 7
PD0/AIN0
I/O
CT
X
X
Port D0
ADC Analog Input 0
14 8
PD1/AIN1
I/O
CT
X
X
Port D1
ADC Analog Input 1
15 9
PD2/AIN2
I/O
CT
X
X
Port D2
ADC Analog Input 2
16 10 PD3/AIN3
I/O
CT
X
X
Port D3
ADC Analog Input 3
17 11 PD4/AIN4
I/O
CT
X
X
Port D4
ADC Analog Input 4
18 12 PD5/AIN5
I/O
CT
X
X
Port D5
ADC Analog Input 5
19 -
PD6/AIN6
I/O
CT
X
X
Port D6
ADC Analog Input 6
20 -
PD7/AIN7
I/O
CT
X
X
Port D7
ADC Analog Input 7
21 13 VDDA
S
Analog Power Supply Voltage
22 14 VSSA
S
Analog Ground Voltage
23 -
VDD_3
S
Digital Main Supply Voltage
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