82C85 查看數據表（PDF） - Intersil

零件编号

产品描述 (功能)

比赛名单

82C85

CMOS Static Clock Controller/Generator

Intersil 

Timing Waveforms (Continued)

82C85

EFI

CLK

CLK50

PCLK

S0

S1

S2/STOP

RES

START

(23) TSTART

FIGURE 11. CLOCKS START (F/C HIGH)

START

X1

CLK

(21)

TSHSL

(39)

TOST

CRYSTAL

OSCILLATOR

STARTUP TIME

8192 CYCLES

CLK50

PCLK

FIGURE 12. CLOCK START (F/C LOW)

NOTE: Start up count begins when the crystal oscillator reaches a suitable threshold level.

311

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