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ST72311R Datasheet(HTML) 8 Page - STMicroelectronics

Part No. ST72311R
Description  8-BIT MCU WITH NESTED INTERRUPTS, EEPROM, ADC, 16-BIT TIMERS, 8-BIT PWM ART, SPI, SCI, CAN INTERFACES
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Maker  STMICROELECTRONICS [STMicroelectronics]
Homepage  http://www.st.com
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ST72311R Datasheet(HTML) 8 Page - STMicroelectronics

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ST72311R, ST72511R, ST72512R, ST72532R
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PIN DESCRIPTION (Cont’d)
For external pin connection guidelines, refer to Section 12 ”ELECTRICAL CHARACTERISTICS” on page
131.
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 8 ”I/O PORTS” on page 38 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
Inpu t
Outp ut
1
PE4 (HS)
I/O CT HS X
X
X
X
Port E4
2
PE5 (HS)
I/O CT HS X
X
X
X
Port E5
3
PE6 (HS)
I/O CT HS X
X
X
X
Port E6
4
PE7 (HS)
I/O CT HS X
X
X
X
Port E7
5
PB0/PWM3
I/O
CT
X
ei2
X
X
Port B0
PWM Output 3
6
PB1/PWM2
I/O
CT
X
ei2
X
X
Port B1
PWM Output 2
7
PB2/PWM1
I/O
CT
X
ei2
X
X
Port B2
PWM Output 1
8
PB3/PWM0
I/O
CT
X
ei2
X
X
Port B3
PWM Output 0
9
PB4/ARTCLK
I/O
CT
X
ei3
X
X
Port B4
PWM-ART External Clock
10
PB5
I/O
CT
X
ei3
X
X
Port B5
11
PB6
I/O
CT
X
ei3
X
X
Port B6
12
PB7
I/O
CT
X
ei3
X
X
Port B7
13
PD0/AIN0
I/O
CT
X
X
X
X
X
Port D0
ADC Analog Input 0
14
PD1/AIN1
I/O
CT
X
X
X
X
X
Port D1
ADC Analog Input 1
15
PD2/AIN2
I/O
CT
X
X
X
X
X
Port D2
ADC Analog Input 2
16
PD3/AIN3
I/O
CT
X
X
X
X
X
Port D3
ADC Analog Input 3
17
PD4/AIN4
I/O
CT
X
X
X
X
X
Port D4
ADC Analog Input 4
18
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
VDDA
S
Analog Power Supply Voltage
22
VSSA
S
Analog Ground Voltage
23
VDD_3
S
Digital Main Supply Voltage
6


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