ATUC128L3U_14 Datasheet, PDF (528/963 Pages) ATMEL Corporation – High-performance, Low-power 32-bit Atmel

ATUC64/128/256L3/4U
Table 22-2 lists the compatibility level of the Atmel Two-wire Master Interface and a full SMBus
compatible master.
Table 22-2. Atmel TWIM Compatibility with SMBus Standard
SMBus Standard
Atmel TWIM
Bus Timeouts
Supported
Address Resolution Protocol
Supported
Alert
Supported
Host Functionality
Supported
Packet Error Checking
Supported
22.3 List of Abbreviations
Table 22-3. Abbreviations
Abbreviation
TWI
A
NA
P
S
Sr
SADR
ADR
R
W
Description
Two-wire Interface
Acknowledge
Non Acknowledge
Stop
Start
Repeated Start
Slave Address
Any address except SADR
Read
Write
22.4 Block Diagram
Figure 22-1. Block Diagram
Peripheral
Bus Bridge
TWCK
Power
Manager
CLK_TWIM
Two-wire
Interface
I/O Controller
TWI Interrupt
INTC
TWD
TWALM
32142D–06/2013
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