82C85 데이터 시트보기 (PDF) - Intersil

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82C85

CMOS Static Clock Controller/Generator

Intersil 

Timing Waveforms (Continued)

82C85

RES

CLK

RESET

(21) TSHSL

(17)

TI1HCL

(17)

TI1HCL

(36)

TCLIL

(36)

TCLIL

(42)

TRST

FIGURE 13. RESET TIMING (CLK RUNNING WITH F/C LOW-OSC MODE)

(CLK RUNNING-OR STOPPED WITH F/C HIGH EFI MODE)

RES

CLK

(21) TSHSL

(36)

TCLIL

RESET

OSCILLATOR

STARTUP

TIME

X1

8192

CYCLES

(39)

TOST

(42)

TRST

FIGURE 14. RESET TIMING (OSCILLATOR STOPPED, F/C LOW)

NOTE: CLK, CLK50, PCLK Remain in the High State until RES goes high and 8192 valid oscillator cycles have been registered by the 82C85

internal counter (TOST time period). After RES goes high and CLK, CLK50, PCLK become active, the RESET output will remain high

for minimum of 16 CLK cycles (TRST).

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