P89C668 datasheet(23/89 Pages) PHILIPS

23 / 89 page

Philips Semiconductors

Product data

P89C660/P89C662/P89C664/

P89C668

80C51 8-bit Flash microcontroller family

16KB/32KB/64KB ISP/IAP Flash with 512B/1KB/2KB/8KB RAM

2002 Oct 28

SLA

DATA

P or S

60H

80H

68H

RECEPTION OF THE OWN SLAVE ADDRESS

AND ONE OR MORE DATA BYTES

ALL ARE ACKNOWLEDGED.

LAST DATA BYTE RECEIVED IS

NOT ACKNOWLEDGED

ARBITRATION LOST AS MST AND

ADDRESSED AS SLAVE

RECEPTION OF THE GENERAL CALL ADDRESS

AND ONE OR MORE DATA BYTES

LAST DATA BYTE IS NOT ACKNOWLEDGED

ARBITRATION LOST AS MST AND ADDRESSED AS SLAVE BY GENERAL CALL

FROM MASTER TO SLAVE

FROM SLAVE TO MASTER

ANY NUMBER OF DATA BYTES AND THEIR ASSOCIATED ACKNOWLEDGE BITS

THIS NUMBER (CONTAINED IN S1STA) CORRESPONDS TO A DEFINED STATE OF THE I2C BUS. SEE TABLE 6.

Data

SLA

DATA

80H

A0H

88H

P or S

GENERAL

CALL

DATA

P or S

70H

90H

78H

DATA

90H

A0H

98H

P or S

SU00973

Figure 10. Format and States in the Slave Receiver mode

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