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ST72141K2B6 Fiches technique(PDF) 7 Page - STMicroelectronics

No de pièce ST72141K2B6
Description  8-BIT MCU WITH ELECTRIC-MOTOR CONTROL, ADC, 16-BIT TIMERS, SPI INTERFACE
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Fabricant  STMICROELECTRONICS [STMicroelectronics]
Site Internet  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

ST72141K2B6 Fiches technique(HTML) 7 Page - STMicroelectronics

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PIN DESCRIPTION (Cont’d)
Legend / Abbreviations:
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 = high sink (on N-buffer only),
R = 70
Ω/100Ω ratio of logical levels.
Analog level if used as PWM filtered with an external capacitor
Port configuration capabilities:
– Input:
float = floating, wpu = weak pull-up, int = interrupt, ana = analog
– Output:
OD = open drain, T = true open drain, PP = push-pull
Note: the Reset configuration of each pin is shown in bold.
Table 1. Device Pin Description
Pin n°
Pin Name
Level
Port / Control
Main
Function
(after reset)
Alternate Function
Input
Output
1
1
MCO5
O
C
X
Motor Control Output Channel 5
2
2
MCO4
O
C
X
Motor Control Output Channel 4
3
3
MCO3
O
C
X
Motor Control Output Channel 3
4
4
MCO2
O
C
X
Motor Control Output Channel 2
5
5
MCO1
O
C
X
Motor Control Output Channel 1
6
6
MCO0
O
C
X
Motor Control Output Channel 0
7
7
MCES
ICT
X
Motor Control Emergency Stop Input
8
8
PB5/MISO
I/O
CT
X
EI1
X
X
Port B5
SPI Master In / Slave Out Data
9
NC
Not Connected
9
10 PB4/MOSI
I/O
CT
X
EI1
X
X
Port B4
SPI Master Out / Slave In Data
10 11 PB3/SCK
I/O
CT
X
EI1
X
X
Port B3
SPI Serial Clock
11 12 PB2/SS
I/O CT HS X
EI1
T
Port B2
SPI Slave Select (active low)
12 13 PB1/EXTCLK_B
I/O CT HS X
EI1
T
Port B1
Timer B Input Clock
13 14 PB0/EXTCLK_A
I/O CT HS X
EI1
T
Port B0
Timer A Input Clock
14 15 OSC1
These pins connect a crystal or ceramic
resonator, or an external RC, or an external
source to the on-chip oscillator
15 16 OSC2
16 17 RESET
I/O
C
X
X
Top priority non maskable interrupt (active low)
17 18 PA0/AIN0
I/O
CT
X
EI0
X
X
X
Port A0
ADC Analog Input 0
18 19 PA1/ICAP2_B/AIN1
I/O
CT
X
EI0
X
X
X
Port A1
Timer B Input Capture 2 or
ADC Analog Input 1
19 20 PA2/ICAP1_B/AIN2
I/O
CT
X
EI0
X
X
X
Port A2
Timer B Input Capture 1 or
ADC Analog Input 2
6


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