ST7LITE49K2 datasheet(18/245 Pages) STMICROELECTRONICS

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Pin description

ST7LITE49K2

18/245

Legend / Abbreviations for Table 2:

Type: I = input, O = output, S = supply

In/Output level: CT = CMOS 0.3VDD/0.7VDD with input trigger

Output level: HS = 20 mA 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 2.

ST7LITE49K2 device pin description

number

Pin name

Level

Port/control

Main

function

(after

reset)

Alternate

function

Input

Output

PA3(HS)/ATPWM1

I/O

ei0

Port A3

(HS)

ATPWM1

PA4(HS)/

ATPWM2/MCO

I/O

Port A4

(HS)

ATPWM2/MC

PA5 (HS)ATPWM3

I/O

Port A5

(HS)

ATPWM3

PA6(HS)/

I2CDATA

I/O

ei0

Port A6

(HS)

I2CDATA

PA7(HS)/I2CCLK

I/O

Port A7

(HS)

I2CCLK

RESET

xReset

812

VDD

(2)

Digital Supply Voltage

913

VSS

(2)

Digital Ground Voltage

OSC1/CLKIN

Resonator oscillator

inverter input or External

clock input

OSC2

Resonator oscillator

output

VSSA

(2)

Analog Ground Voltage

VDDA

(2)

Analog Supply Voltage

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