82C85

FN2976 Rev.0.00

Page 13 of 21

March 1997

Timing Waveforms

FIGURE 7. WAVEFORMS FOR CLOCKS

NOTE: All Timing Measurements are made at 1.5V, Unless Otherwise Noted.

FIGURE 8. WAVEFORMS FOR READY SIGNALS (FOR ASYNCHRONOUS DEVICES)

CLK AND CLK50

1.0V

3.5V

(30) TCH1CH2

TCL2CL1 (31)

TPLPH

(33)

TPHPL

(32)

(37)

TCLPH

(28)

T5CHCL

TCLPL

(38)

T5CLCH (29)

(26)

TCHCL

TCLCH

(27)

TCLC50L

(43)

TELEH

(2)

(3)

TELEL

(1)

TEHEL

EFI I

OSC 0

CLK 0

CLK50 0

PCLK 0

CSYNC I

(15)

TEHYL

(16)

TYHYL

(14)

TYLEH

TCLCL (25)

CLK

RDY1.2

AEN1.2

ASYNC

READY

(12) TA1VR1V

(7) TRIVCH

(11) TCLAYX

(34) TRYLCL

(13) TCLA1X

(8) TRILCL

(9)

TCLR1X

(35)

TRYHCH

(10)

TAYVCL

(9)

TCLR1X