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ST72321 bảng dữ liệu(PDF) 10 Page - STMicroelectronics

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Giải thích chi tiết về linh kiện  64/44-PIN 8-BIT MCU WITH 32 TO 60K FLASH/ROM, ADC,FIVE TIMERS, SPI, SCI, I2C INTERFACE
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nhà sản xuất  STMICROELECTRONICS [STMicroelectronics]
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ST72321 bảng dữ liệu(HTML) 10 Page - STMicroelectronics

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ST72321
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PIN DESCRIPTION (Cont’d)
For external pin connection guidelines, refer to See “ELECTRICAL CHARACTERISTICS” on page 138.
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
TT= TTL 0.8V / 2V with Schmitt 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 “I/O PORTS” on page 46 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
Level
Port
Main
function
(after
reset)
Alternate function
Input
Output
1-
PE4 (HS)
I/O CT HS
X
XX
X
Port E4
2-
PE5 (HS)
I/O CT HS
X
XX
X
Port E5
3-
PE6 (HS)
I/O CT HS
X
XX
X
Port E6
4-
PE7 (HS)
I/O CT HS
X
XX
X
Port E7
52
PB0/PWM3
I/O CT
X
ei2
X
X
Port B0
PWM Output 3
63
PB1/PWM2
I/O CT
X
ei2
X
X
Port B1
PWM Output 2
74
PB2/PWM1
I/O CT
X
ei2
X
X
Port B2
PWM Output 1
85
PB3/PWM0
I/O CT
X
ei2
X
X
Port B3
PWM Output 0
9
6
PB4 (HS)/ARTCLK
I/O CT HS
X
ei3
X
X
Port B4
PWM-ART External Clock
10
-
PB5 / ARTIC1
I/O CT
X
ei3
X
X
Port B5
PWM-ART Input Capture 1
11
-
PB6 / ARTIC2
I/O CT
X
ei3
X
X
Port B6
PWM-ART Input Capture 2
12
-
PB7
I/O CT
X
ei3
X
X
Port B7
13
7
PD0/AIN0
I/O CT
X
X
X
X
X
Port D0
ADC Analog Input 0
14
8
PD1/AIN1
I/O CT
X
X
X
X
X
Port D1
ADC Analog Input 1
15
9
PD2/AIN2
I/O CT
X
X
X
X
X
Port D2
ADC Analog Input 2
16
10
PD3/AIN3
I/O CT
X
X
X
X
X
Port D3
ADC Analog Input 3
17
11
PD4/AIN4
I/O CT
X
X
X
X
X
Port D4
ADC Analog Input 4
18
12
PD5/AIN5
I/O CT
X
X
X
X
X
Port D5
ADC Analog Input 5
19
-
PD6/AIN6
I/O CT
X
X
X
X
X
Port D6
ADC Analog Input 6
20
-
PD7/AIN7
I/O CT
X
X
X
X
X
Port D7
ADC Analog Input 7
21
13
VAREF
I
Analog Reference Voltage for ADC
22
14
VSSA
S
Analog Ground Voltage
23
-
VDD_3
S
Digital Main Supply Voltage


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