P87C554 NXP Semiconductors, P87C554 Datasheet - Page 44

• 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

Philips Semiconductors
2002 Mar 25
80C51 8-bit microcontroller – 12 clock operation
16K/512 OTP/RAM, 8 channel 10-bit A/D, I
capture/compare, high I/O
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RECEPTION OF THE
OWN SLAVE ADDRESS
AND TRANSMISSION
OF ONE OR MORE
DATA BYTES
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
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ANY NUMBER OF DATA BYTES AND THEIR ASSOCIATED ACKNOWLEDGE BITS
S
Figure 43. Format and States of the Slave Transmitter Mode
SLA
R
A8H
B0H
A
A
2
C, PWM,
DATA
42
ARBITRATION LOST AS MST
AND ADDRESSED AS SLAVE
LAST DATA BYTE TRANSMITTED.
SWITCHED TO NOT ADDRESSED
SLAVE (AA BIT IN S1CON = “0”
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A
B8H
2
C BUS. SEE TABLE 9.
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DATA
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C0H
A
C8H
A
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P or S
All “1”s
P87C554
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SU00974
Product data
P or S