P87C554 NXP Semiconductors, P87C554 Datasheet - Page 42

• Manufacturer Part Number: P87C554
• Description: The P87C554 Single-Chip 8-Bit Microcontroller is manufactured inan advanced CMOS process and is a derivative of the 80C51microcontroller family
• Manufacturer: NXP Semiconductors

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Philips Semiconductors
2002 Mar 25
SUCCESSFUL RECEPTION
FROM A SLAVE TRANSMITTER
NEXT TRANSFER STARTED WITH A
REPEATED START CONDITION
NOT ACKNOWLEDGE RECEIVED
AFTER THE SLAVE ADDRESS
ARBITRATION LOST IN SLAVE ADDRESS
OR ACKNOWLEDGE BIT
ARBITRATION LOST AND ADDRESSED AS SLAVE
80C51 8-bit microcontroller – 12 clock operation
16K/512 OTP/RAM, 8 channel 10-bit A/D, I
capture/compare, high I/O
DATA
n
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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
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08H
S
Figure 41. Format and States in the Master Receiver Mode
SLA
R
MR
A or A
40H
48H
38H
68H
A
A
A
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2
C, PWM,
78H
OTHER MST
CONTINUES
OTHER MST
CONTINUES
P
DATA
40
80H
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50H
2
A
C BUS. SEE TABLE 7.
TO CORRESPONDING
STATES IN SLAVE MODE
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DATA
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58H
38H
A
A
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10H
OTHER MST
CONTINUES
S
P
SLA
TO MST/TRX MODE
ENTRY = MT
P87C554
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SU00972
Product data
R
W