ST72141K2-AUTO データシートの表示（PDF） - STMicroelectronics
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ST72141K2-AUTO
STMicroelectronics
ST72141K2-AUTO Datasheet PDF : 131 Pages
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ST72141K2-Auto
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 = 70Ω/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. SO34 Device Pin Description
Pin
No.
Pin Name
Level
Port / Control
Input
Output
Main
Function
(after reset)
Alternate Function
1 MCO5
2 MCO4
3 MCO3
4 MCO2
5 MCO1
6 MCO0
7 MCES
8 PB5/MISO
9 NC
10 PB4/MOSI
11 PB3/SCK
12 PB2/SS
13 PB1/EXTCLK_B
14 PB0/EXTCLK_A
15 OSC1
16 OSC2
17 RESET
18 PA0/AIN0
19 PA1/ICAP2_B/AIN1
O
C
O
C
O
C
O
C
O
C
O
C
I CT
I/O CT
X
X EI1
I/O CT X EI1
I/O CT X EI1
I/O CT HS X EI1
I/O CT HS X EI1
I/O CT HS X EI1
I/O C
X
I/O CT X EI0
I/O CT X EI0
20 PA2/ICAP1_B/AIN2 I/O CT X EI0
21 PA3/OCMP2_B/AIN3 I/O CT X EI0
X Motor Control Output Channel 5
X Motor Control Output Channel 4
X Motor Control Output Channel 3
X Motor Control Output Channel 2
X Motor Control Output Channel 1
X Motor Control Output Channel 0
Motor Control Emergency Stop Input
X X Port B5
SPI Master In / Slave Out Data
Not Connected
X X Port B4
SPI Master Out / Slave In Data
X X Port B3
SPI Serial Clock
T
Port B2
SPI Slave Select (active low)
T
Port B1
Timer B Input Clock
T
Port B0
Timer A Input Clock
These pins connect a crystal or ceramic resona-
tor, or an external RC, or an external source to
the on-chip oscillator.
X
Top priority non-maskable interrupt (active low)
X X X Port A0
X X X Port A1
X X X Port A2
X X X Port A3
ADC Analog Input 0
Timer B Input Capture 2 or ADC
Analog Input 1
Timer B Input Capture 1 or ADC
Analog Input 2
Timer B Output Compare 2 or
ADC Analog Input 3
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