ST7PLIT115BF0U3TR 查看數據表（PDF） - STMicroelectronics

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ST7PLIT115BF0U3TR

8-BIT MCU WITH SINGLE VOLTAGE FLASH MEMORY, DATA EEPROM, ADC, 5 TIMERS, SPI

STMicroelectronics 

ST7LITE1xB

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.

Level

Pin Name

Port / Control

Input

Output

Main

Function

(after

reset)

Alternate Function

1 19 1 VSS 1)

2 20 2 VDD 1)

3 1 3 RESET

S

S

I/O CT

X

4

2

4

PB0/COMPIN+/

AIN0/SS

I/O CT

X

ei3

5 3 5 PB1/AIN1/SCK I/O CT X

6 4 6 PB2/AIN2/MISO I/O CT X

7 5 7 PB3/AIN3/MOSI I/O CT X

8

6

8

PB4/AIN4/CLKIN/

COMPIN-

I/O

CT

X

ei2

9 7 - PB5/AIN5

I/O CT X

10 8 - PB6/AIN6

I/O CT X

11 9 9 PA7/COMPOUT I/O CT HS X ei1

Ground

Main power supply

X

Top priority non maskable interrupt (active low)

X X X Port B0

X X X Port B1

X X X Port B2

X X X Port B3

ADC Analog Input 0 2) or SPI Slave

Select (active low) or Analog Com-

parator Input

Caution: No negative current in-

jection allowed on this pin.

ADC Analog Input 1 2) or SPI Serial

Clock

ADC Analog Input 2 2) or SPI Mas-

ter In/ Slave Out Data

ADC Analog Input 3 2) or SPI Mas-

ter Out / Slave In Data

ADC Analog Input 4 2) or External

X X X Port B4

clock input or Analog Comparator

External Reference Input

X X X Port B5 ADC Analog Input 5 2)

X X X Port B6 ADC Analog Input 6 2)

X X Port A7 Analog Comparator Output

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