ST7FDALIF2M6 datasheet(7/141 Pages) STMICROELECTRONICS

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ST7DALI

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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

No.

Pin Name

Level

Port / Control

Main

Function

(after reset)

Alternate Function

Input

Output

1VSS

Ground

2VDD

Main power supply

RESET

I/O CT

Top priority non maskable interrupt (active

low)

PB0/AIN0/SS/

BLEXT

I/O

ei3

Port B0

ADC Analog Input 0 or SPI

Slave Select (active low)/

EEPROM external bitline

Caution: No negative current

injection allowed on this pin.

For details, refer to section

13.2.2 on page 101

PB1/AIN1/SCK/

CGEXT

I/O

Port B1

ADC Analog Input 1 or SPI Se-

rial Clock /

EEPROM external control

gate

Caution: No negative current

injection allowed on this pin.

For details, refer to section

13.2.2 on page 101

PB2/AIN2/MISO

I/O

Port B2

ADC Analog Input 2 or SPI

Master In/ Slave Out Data

PB3/AIN3/MOSI/

STC_ON

I/O

ei2

Port B3

ADC Analog Input 3 or SPI

Master Out / Slave In Data/

Serial Test Contoller Enable

PB4/AIN4/CLKIN

I/O

Port B4

ADC Analog Input 4 or Exter-

nal clock input

PB5/AIN5

I/O

Port B5

ADC Analog Input 5

PB6/AIN6/DALIIN I/O

Port B6

ADC Analog Input 6 or DALI

Input

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