T32UC3L0128_14 Datasheet, PDF (504/852 Pages) ATMEL Corporation – Compact Single-cycle RISC Instruction Set Including DSP Instructions

AT32UC3L0128/256
Below, Table 22-2 lists the compatibility level of the Atmel Two-wire Slave Interface and a full
SMBus compatible device.
Table 22-2. Atmel TWIS Compatibility with SMBus Standard
SMBus Standard
Atmel TWIS
Bus Timeouts
Supported
Address Resolution Protocol
Supported
Alert
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_TWIS
Two-wire
Interface
I/O Controller
TWI Interrupt
Interrupt
Controller
TWD
TWALM
32145C–06/2013
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