OM13008,598 NXP Semiconductors, OM13008,598 Datasheet - Page 220

• Manufacturer Part Number: OM13008,598
• Description: BOARD LPC XPRESSO LPC122X
• Manufacturer: NXP Semiconductors
• Series: LPCXpressor

Specifications of OM13008,598

• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 568-6642; OM13008

NXP Semiconductors
UM10441
User manual
11.11.8.2 State: 0x68
11.11.8.3 State: 0x70
11.11.8.4 State: 0x78
11.11.8.5 State: 0x80
Arbitration has been lost in Slave Address and R/W bit as bus Master. Own Slave Address
+ Write has been received, ACK has been returned. Data will be received and ACK will be
returned. STA is set to restart Master mode after the bus is free again.
General call has been received, ACK has been returned. Data will be received and ACK
returned.
Arbitration has been lost in Slave Address + R/W bit as bus Master. General call has been
received and ACK has been returned. Data will be received and ACK returned. STA is set
to restart Master mode after the bus is free again.
Previously addressed with own Slave Address. Data has been received and ACK has
been returned. Additional data will be read.
1. Write 0x24 to CONSET to set the STA and AA bits.
2. Write 0x08 to CONCLR to clear the SI flag.
3. Set up Slave Receive mode data buffer.
4. Initialize Slave data counter.
5. Exit.
1. Write 0x04 to CONSET to set the AA bit.
2. Write 0x08 to CONCLR to clear the SI flag.
3. Set up Slave Receive mode data buffer.
4. Initialize Slave data counter.
5. Exit
1. Write 0x24 to CONSET to set the STA and AA bits.
2. Write 0x08 to CONCLR to clear the SI flag.
3. Set up Slave Receive mode data buffer.
4. Initialize Slave data counter.
5. Exit
1. Read data byte from DAT into the Slave Receive buffer.
2. Decrement the Slave data counter, skip to step 5 if not the last data byte.
3. Write 0x0C to CONCLR to clear the SI flag and the AA bit.
4. Exit.
5. Write 0x04 to CONSET to set the AA bit.
6. Write 0x08 to CONCLR to clear the SI flag.
7. Increment Slave Receive buffer pointer.
8. Exit
All information provided in this document is subject to legal disclaimers.
Rev. 1.1 — 10 March 2011
Chapter 11: LPC122x I2C-bus controller
UM10441
© NXP B.V. 2011. All rights reserved.
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