ST62T60CB3 datasheet(40/83 Pages) STMICROELECTRONICS

No. de pieza	ST62T60CB3

Descripción Electrónicos	8-bit MCUs with A/D converter, safe reset, auto-reload timer, EEPROM and SPI

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Fabricante Electrónico	STMICROELECTRONICS [STMicroelectronics]

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ST6253C ST6263C ST6263B ST6260C ST6260B

I/O PORTS (Cont’d)

4.1.3 AR Timer Alternate function Option

When bit PWMOE of register ARMC is low, pin AR-

TIMout/PB7 is configured as any standard pin of

port B through the port registers. When PWMOE is

high, ARTIMout/PB7 is the PWM output, independ-

ently of the port registers configuration.

ARTIMin/PB6 is connected to the AR Timer input.

It is configured through the port registers as any

standard pin of port B. To use ARTIMin/PB6 as AR

Timer input, it must be configured as input through

DDRB.

4.1.4 SPI Alternate function Option

PC2/PC4 are used as standard I/O as long as bit

SPCLK of the SPI Mode Register is kept low.

When PC2/Sin is configured as input, it is automat-

ically connected to the SPI shift register input, in-

dependent of the state at SPCLK.

PC3/SOUT is configured as SPI push-pull output

by setting bit 0 of the Miscellaneous register (ad-

dress DDh), regardless of the state of Port C reg-

isters. PC4/SCK is configured as push-pull output

clock (master mode) by programming it as push-

pull output through DDRC register and by setting

bit SPCLK of the SPI Mode Register.

PC4/SCK is configured as input clock (slave mode)

by programming it as input through DDRC register

and by clearing bit SPCLK of the SPI Mode Regis-

ter. With this configuration, PC4 can simultaneous-

ly be used as an input.

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