1996 Nov 21

13

Philips Semiconductors

Product specification

Microcontroller with extended I/O

PCF84C85A

Fig.14 Slave SCLK and receiver SDA/P2.3 timing (SCLK and SDA/P2.3 are inputs).

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MLA504

0.7 V DD

0.3 VDD

0.7 V DD

0.3 VDD

t SU;STO

t FD

t FC

t LOW

t HD;DAT

t SU;DAT

t RC

t RD

HIGH

t

t HD;STA

t BUF

SCLK

SDA/P2.3

Fig.15 Master SCLK and transmitter SDA/P2.3 timing (SCLK and SDA/P2.3 are outputs).

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MLA505

t SU;STO

t FC

t LOW

t HD;DAT

t SU;DAT

HIGH

t

t HD;STA

SCLK

SDA/P2.3

t FD

acknowledge bit

t HD;DAT

t HD;DAT

0.9 VDD

VOLmax

0.9 V DD

VOLmax

t SU;DAT