ST7LITE2_06 datasheet(54/133 Pages) STMICROELECTRONICS

Datenblatt-Suchmaschine für elektronische Bauteile

ST7LITE2 Datenblatt(PDF) 54 Page - STMicroelectronics

Teilenummer	ST7LITE2

Bauteilbeschribung	8-BIT MICROCONTROLLER WITH SINGLE VOLTAGE FLASH MEMORY, DATA EEPROM, ADC, TIMERS, SPI

PDF	133 Pages

Scroll/Zoom	100%

Hersteller	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

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54 / 133 page

ST7LITE2

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WATCHDOG TIMER (Cont’d)

11.1.5 Interrupts

None.

11.1.6 Register Description

CONTROL REGISTER (CR)

Read/Write

Reset Value: 0111 1111 (7Fh)

Bit 7 = WDGA Activation bit.

This bit is set by software and only cleared by

hardware after a reset.

When WDGA = 1, the watchdog can generate a

reset.

0: Watchdog disabled

1: Watchdog enabled

Note: This bit is not used if the hardware watch-

dog option is enabled by option byte.

Bits 6:0 = T[6:0] 7-bit timer (MSB to LSB).

These bits contain the decremented value. A reset

is produced when it rolls over from 40h to 3Fh (T6

becomes cleared).

Table 13. Watchdog Timer Register Map and Reset Values

WDGA

Address

(Hex.)

Label

76543

210

002Eh

WDGCR

Reset Value

WDGA

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