ST6225BD6/CCC View Datasheet(PDF) - STMicroelectronics

Part Name

Description

Manufacturer

ST6225BD6/CCC

8-bit MCUs with A/D converter, two timers, oscillator safeguard & safe reset

STMicroelectronics 

ST6215C ST6225C

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

Conditions

VDD>4.5V

VDD=3V

Min

Typ

Max

Unit

0

fINT/4

MHz

125

ns

1

µs

88/105

1

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