OM13008,598 NXP Semiconductors, OM13008,598 Datasheet - Page 195

• 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
Fig 19. I
2
C serial interface block diagram
11.9.1 Input filters and output stages
SDA
SCL
status
bus
Input signals are synchronized with the internal clock, and spikes shorter than three
clocks are filtered out.
The output for I
OUTPUT
OUTPUT
FILTER
FILTER
STAGE
INPUT
STAGE
INPUT
DECODER
STATUS
2
All information provided in this document is subject to legal disclaimers.
C is a special pad designed to conform to the I
I2CnADDR0 to I2CnADDR3
ADDRESS REGISTERS
I2CnCONSET, I2CnCONCLR, I2CnSCLH, I2CnSCLL
MASK and COMPARE
Rev. 1.1 — 10 March 2011
ARBITRATION and
MONITOR MODE
SERIAL CLOCK
BIT COUNTER/
GENERATOR
I2CnMMCTRL
SYNC LOGIC
REGISTER
SCL DUTY CYLE REGISTERS
SHIFT REGISTER
CONTROL REGISTER and
STATUS REGISTER
I2CnDAT
I2CnSTAT
MATCHALL
I2CnMMCTRL[3]
I2CnMASK0 to I2CnMASK3
TIMING and
CONTROL
LOGIC
MASK REGISTERS
Chapter 11: LPC122x I2C-bus controller
I2CnDATABUFFER
ACK
PCLK
interrupt
16
2
8
8
8
C specification.
UM10441
© NXP B.V. 2011. All rights reserved.
195 of 442