G767F datasheet(13/14 Pages) GMT

13 / 14 page

Ver: 2.5

Dec 14, 2004

TEL: 886-3-5788833

http://www.gmt.com.tw

G767

Global Mixed-mode Technology Inc.

Figure 4. SMBus Write Timing Diagram

A = start condition

H = LSB of data clocked into slave

B = MSB of address clocked into slave

I = slave pulls SMBDATA line low

C = LSB of address clocked into slave

J = acknowledge clocked into master

D = R/W bit clocked into slave

K = acknowledge clocked pulse

E = slave pulls SMBDATA line low

L = stop condition data executed by slave

F = acknowledge bit clocked into master

M = new start condition

G = MSB of data clocked into slave

Figure 5. SMBus Read Timing Diagram

A = start condition

G = MSB of data clocked into master

B = MSB of address clocked into slave

H = LSB of data clocked into master

C = LSB of address clocked into slave

I = acknowledge clocked pulse

D = R/ W bit clocked into slave

J = stop condition

E = slave pulls SMBDATA line low

K= new start condition

F =acknowledge bit clocked into master

SMBCLK

SMBDATA

DE F

HI J

SU:STA tHD:STA

SU:DAT

HD:DAT

SU:STO

BUF

LOW tHIGH

SMBCLK

SMBDATA

E F

SU:STA tHD:STA

SU:DAT

SU:STO

BUF

LOW tHIGH

SMBCLK

SMBDATA

E F

SU:STA tHD:STA

SU:DAT

SU:STO

BUF

LOW tHIGH

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