P89C660 Philips Semiconductors, P89C660 Datasheet - Page 21

• Manufacturer Part Number: P89C660
• Description: 80C51 8-bit Flash microcontroller family
• Manufacturer: Philips Semiconductors

Philips Semiconductors
2002 Oct 28
80C51 8-bit Flash microcontroller family
16KB/32KB/64KB ISP/IAP Flash with 512B/1KB/2KB/8KB RAM
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SUCCESSFUL TRANSMISSION
TO A SLAVE RECEIVER
NEXT TRANSFER STARTED WITH A REPEATED START CONDITION
NOT ACKNOWLEDGE RECEIVED AFTER THE SLAVE ADDRESS
NOT ACKNOWLEDGE RECEIVED AFTER A DATA BYTE
ARBITRATION LOST IN SLAVE ADDRESS OR DATA BYTE
ARBITRATION LOST AND ADDRESSED AS SLAVE
Data
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n
THIS NUMBER (CONTAINED IN S1STA) CORRESPONDS TO A DEFINED STATE OF THE I
A
FROM MASTER TO SLAVE
FROM SLAVE TO MASTER
ANY NUMBER OF DATA BYTES AND THEIR ASSOCIATED ACKNOWLEDGE BITS
Figure 8. Format and States in the Master Transmitter mode
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08H
S
SLA
W
21
MT
A or A
18H
20H
38H
68H
A
A
A
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78H
OTHER MST
CONTINUES
OTHER MST
CONTINUES
P
P89C660/P89C662/P89C664/
DATA
80H
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2
C BUS. SEE TABLE 4.
A or A
30H
38H
28H
A
A
TO CORRESPONDING
STATES IN SLAVE MODE
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10H
S
OTHER MST
CONTINUES
P
P
SLA
TO MST/REC MODE
ENTRY = MR
P89C668
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SU00971
Product data
W
R