P87C552 Datasheet

  • P87C552

  • 80C51 8-bit microcontroller

  • 393.52KB

  • Philips

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Philips Semiconductors
Preliminary specification
80C51 8-bit microcontroller
8K/256 OTP, 8 channel 10 bit A/D, I
2
C, PWM,
capture/compare, high I/O, low voltage (2.7V鈥?.5V), low power
P87C552
MR
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
FROM MASTER TO SLAVE
FROM SLAVE TO MASTER
DATA
A
ANY NUMBER OF DATA BYTES AND THEIR ASSOCIATED ACKNOWLEDGE BITS
n
THIS NUMBER (CONTAINED IN S1STA) CORRESPONDS TO A DEFINED STATE OF THE I
2
C BUS. SEE TABLE 7.
1999 Mar 30
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S
SLA
R
A
DATA
A
DATA
A
P
08H
40H
50H
58H
S
SLA
R
10H
A
P
W
48H
TO MST/TRX MODE
ENTRY = MT
A or A
OTHER MST
CONTINUES
38H
A
OTHER MST
CONTINUES
68H
78H
80H
TO CORRESPONDING
STATES IN SLAVE MODE
Figure 40. Format and States in the Master Receiver Mode
40
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A
38H
OTHER MST
CONTINUES
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SU00972

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