参数资料
型号: ST72T141K2MAE
厂商: STMICROELECTRONICS
元件分类: 微控制器/微处理器
英文描述: 8-BIT, OTPROM, 8 MHz, MICROCONTROLLER, PDSO34
封装: 0.300 INCH, LEAD FREE, PLASTIC, SOP-34
文件页数: 99/131页
文件大小: 3096K
代理商: ST72T141K2MAE
ST72141K2-Auto
7/131
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
/100 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
Type
Level
Port / Control
Main
Function
(after reset)
Alternate Function
Input
O
u
tput
Input
Output
fl
oat
wpu
int
ana
OD
PP
1
MCO5
O
C
X
Motor Control Output Channel 5
2
MCO4
O
C
X
Motor Control Output Channel 4
3
MCO3
O
C
X
Motor Control Output Channel 3
4
MCO2
O
C
X
Motor Control Output Channel 2
5
MCO1
O
C
X
Motor Control Output Channel 1
6
MCO0
O
C
X
Motor Control Output Channel 0
7
MCES
I
CT
X
Motor Control Emergency Stop Input
8
PB5/MISO
I/O
CT
X
EI1
X
Port B5
SPI Master In / Slave Out Data
9
NC
Not Connected
10
PB4/MOSI
I/O
CT
X
EI1
X
Port B4
SPI Master Out / Slave In Data
11
PB3/SCK
I/O
CT
X
EI1
X
Port B3
SPI Serial Clock
12
PB2/SS
I/O CT HS X
EI1
T
Port B2
SPI Slave Select (active low)
13
PB1/EXTCLK_B
I/O CT HS X
EI1
T
Port B1
Timer B Input Clock
14
PB0/EXTCLK_A
I/O CT HS X
EI1
T
Port B0
Timer A Input Clock
15
OSC1
These pins connect a crystal or ceramic resona-
tor, or an external RC, or an external source to
the on-chip oscillator.
16
OSC2
17
RESET
I/O
C
X
Top priority non-maskable interrupt (active low)
18
PA0/AIN0
I/O
CT
X
EI0
X
Port A0
ADC Analog Input 0
19
PA1/ICAP2_B/AIN1
I/O
CT
X
EI0
X
Port A1
Timer B Input Capture 2 or ADC
Analog Input 1
20
PA2/ICAP1_B/AIN2
I/O
CT
X
EI0
X
Port A2
Timer B Input Capture 1 or ADC
Analog Input 2
21
PA3/OCMP2_B/AIN3
I/O
CT
X
EI0
X
Port A3
Timer B Output Compare 2 or
ADC Analog Input 3
6
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