P87C552 NXP Semiconductors, P87C552 Datasheet - Page 39

• Manufacturer Part Number: P87C552
• Description: The 87C552 Single-Chip 8-Bit Microcontroller is manufactured in anadvanced CMOS process and is a derivative of the 80C51microcontroller family
• Manufacturer: NXP Semiconductors

Philips Semiconductors
2003 Apr 01
80C51 8-bit microcontroller
8K/256 OTP, 8 channel 10 bit A/D, I
capture/compare, high I/O, low voltage (2.7 V to 5.5 V), low power
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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 39. Format and States in the Master Transmitter Mode
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08H
S
2
C, PWM,
SLA
W
39
MT
A or A
18H
20H
38H
68H
A
A
A
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78H
OTHER MST
CONTINUES
OTHER MST
CONTINUES
P
DATA
80H
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2
C BUS. SEE TABLE 6.
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
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P87C552
SU00971
Product data
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