參數(shù)資料
型號: ST7FLIT19BF1U6TR
廠商: STMICROELECTRONICS
元件分類: 微控制器/微處理器
英文描述: 8-BIT, FLASH, 8 MHz, MICROCONTROLLER, QCC20
封裝: LEAD FREE, QFN-20
文件頁數(shù): 121/153頁
文件大?。?/td> 2862K
代理商: ST7FLIT19BF1U6TR
ST7LITE1xB
7/153
PIN DESCRIPTION (Cont’d)
Legend / Abbreviations for Table 1:
Type:
I = input, O = output, S = supply
In/Output level: 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, ana = analog
– Output:
OD = open drain, PP = push-pull
The RESET configuration of each pin is shown in bold which is valid as long as the device is in reset state.
Table 1. Device Pin Description
Pin No.
Pin Name
Type
Level
Port / Control
Main
Function
(after
reset)
Alternate Function
SO20/D
P
I20
SO16/D
IP16
Input
Outpu
t
Input
Output
fl
oat
wpu
int
ana
OD
PP
11
VSS
S
Ground
22
VDD
S
Main power supply
3
RESET
I/O CT
X
X
Top priority non maskable interrupt (active low)
44
PB0/COMPIN+/
AIN0/SS
I/O
CT
X
ei3
XX
X
Port B0
ADC Analog Input 0 or SPI Slave Se-
lect (active low) or Analog Comparator
Input
Caution: No negative current injection
allowed on this pin.
5
PB1/AIN1/SCK
I/O
CT
X
XX
X
Port B1
ADC Analog Input 1 or SPI Serial Clock
6
PB2/AIN2/MISO
I/O
CT
X
XX
X
Port B2
ADC Analog Input 2 or SPI Master In/
Slave Out Data
7
PB3/AIN3/MOSI
I/O
CT
X
ei2
XX
X
Port B3
ADC Analog Input 3 or SPI Master Out
/ Slave In Data
88
PB4/AIN4/CLKIN/
COMPIN-
I/O
CT
X
XX
X
Port B4
ADC Analog Input 4 or External clock
input or Analog Comparator External
Reference Input
9
-
PB5/AIN5
I/O
CT
X
XX
X
Port B5
ADC Analog Input 5
10
-
PB6/AIN6
I/O
CT
X
XX
X
Port B6
ADC Analog Input 6
11
9
PA7/COMPOUT
I/O CT HS X
ei1
X
Port A7
Analog Comparator Output
1
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