ST62T09LD1/SWD View Datasheet(PDF) - STMicroelectronics

Part Name

Description

Manufacturer

ST62T09LD1/SWD

8-BIT MCUs WITH A/D CONVERTER, TWO TIMERS, OSCILLATOR SAFEGUARD & SAFE RESET

STMicroelectronics 

ST6208C/ST6209C/ST6210C/ST6220C

CONTROL PIN CHARACTERISTICS (Cont’d)

11.10 TIMER PERIPHERAL CHARACTERISTICS

Subject to general operating conditions for VDD,

fOSC, and TA unless otherwise specified.

11.10.1 Watchdog Timer

Refer to I/O port characteristics for more details on

the input/output alternate function characteristics

(TIMER).

Symbol

Parameter

tw(WDG) Watchdog time-out duration

Conditions

fCPU=4MHz

fCPU=8MHz

Min

3,072

0.768

0.384

Typ

Max

Unit

196,608

tINT

49.152 ms

24.576 ms

11.10.2 8-Bit Timer

Symbol

Parameter

fEXT Timer external clock frequency

tw Pulse width at TIMER pin

Condit ions

VDD>4.5V

VDD=3V

Min

Typ

Max

Unit

0

fINT/4

MHz

125

ns

1

µs

87/105

1

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