Architecture; Figure 32: I2C Architecture - Philips LPC2194 User Manual

Philips Semiconductors
ARM-based Microcontroller

ARCHITECTURE

Input
Filter
SDA
Output
Stage
Input
SCL
Filter
Output
Stage
Status Bus
I2C Interface
Bit Counter /
Arbitration &
Sync Logic
I2CONSET
I2CONCLR
I2SCLH
I2SCLL
Status
Decoder
I2STAT
2
Figure 32: I
LPC2119/2129/2194/2292/2294
Address Register
Comparator
Shift Register
8
Timing &
Control
Logic
Serial Clock
Generator
Control Register & SCL Duty
Cycle Registers
Status Register
C Architecture
177
Preliminary User Manual
8
I2ADR
ACK
I2DAT
pclk
Interrupt
16
8
May 03, 2004