ST7LITE1XB datasheet(8/157 Pages) STMICROELECTRONICS

8 / 157 page

ST7LITE1xB

8/157

Notes:

1. It is mandatory to connect all available VDD and VDDA pins to the supply voltage and all VSS and VSSA

pins to ground.

2. PCOR not implemented but p-transistor always active in output mode (refer to Figure 32 on page 50)

PA6 /MCO/

ICCCLK/BREAK

I/O

ei1

Port A6

Main Clock Output or In Circuit

Communication Clock or External

BREAK

Caution: During normal operation

this pin must be pulled- up, inter-

nally or externally (external pull-up

of 10k mandatory in noisy environ-

ment). This is to avoid entering ICC

mode unexpectedly during a reset.

In the application, even if the pin is

configured as output, any reset will

put it back in input pull-up

PA5 /ICCDATA/

ATPWM3

I/O CT HS X

ei1

Port A5

In Circuit Communication Data or

Auto-Reload Timer PWM3

12 PA4/ATPWM2

I/O CT HS X

Port A4

Auto-Reload Timer PWM2

PA3/ATPWM1

I/O CT HS X

ei0

Port A3

Auto-Reload Timer PWM1

13 PA2/ATPWM0

I/O CT HS X

Port A2

Auto-Reload Timer PWM0

PA1/ATIC

I/O CT HS X

Port A1

Auto-Reload Timer Input Capture

14 PA0/LTIC

I/O CT HS X

Port A0

Lite Timer Input Capture

15 OSC2/PC1

I/O

Port C12)

Resonator oscillator inverter out-

put

16 OSC1/CLKIN/PC0 I/O

Port C02)

Resonator oscillator inverter input

or External clock input

Pin No.

Pin Name

Level

Port / Control

Main

Function

(after

reset)

Alternate Function

Input

Output

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