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Philips Semiconductors
Volume 1
11.9.28 State : 0x90
Previously addressed with general call. Data has been received, ACK has been returned.
Received data will be saved. Only the first data byte will be received with ACK. Additional
data will be received with NOT ACK.
11.9.29 State : 0x98
Previously addressed with general call. Data has been received, NOT ACK has been
returned. Received data will not be saved. Not addressed Slave mode is entered.
11.9.30 State : 0xA0
A Stop condition or repeated Start has been received, while still addressed as a Slave.
Data will not be saved. Not addressed Slave mode is entered.
11.9.31 Slave Transmitter States
11.9.32 State : 0xA8
Own Slave Address + Read has been received, ACK has been returned. Data will be
transmitted, ACK bit will be received.
11.9.33 State : 0xB0
Arbitration lost in Slave Address and R/W bit as bus Master. Own Slave Address + Read
has been received, ACK has been returned. Data will be transmitted, ACK bit will be
received. STA is set to restart Master mode after the bus is free again.
User manual
1. Read data byte from I2DAT into the Slave Receive buffer.
2. Write 0x0C to I2CONCLR to clear the SI flag and the AA bit.
3. Exit
1. Write 0x04 to I2CONSET to set the AA bit.
2. Write 0x08 to I2CONCLR to clear the SI flag.
3. Exit
1. Write 0x04 to I2CONSET to set the AA bit.
2. Write 0x08 to I2CONCLR to clear the SI flag.
3. Exit
1. Load I2DAT from Slave Transmit buffer with first data byte.
2. Write 0x04 to I2CONSET to set the AA bit.
3. Write 0x08 to I2CONCLR to clear the SI flag.
4. Set up Slave Transmit mode data buffer.
5. Increment Slave Transmit buffer pointer.
6. Exit
1. Load I2DAT from Slave Transmit buffer with first data byte.
2. Write 0x24 to I2CONSET to set the STA and AA bits.
Rev. 01 — 24 June 2005
UM10120
2
Chapter 11: I
C interfaces
© Koninklijke Philips Electronics N.V. 2005. All rights reserved.
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