SAM4L Datasheet, PDF (739/1185 Pages) ATMEL Corporation – ATSAM ARM-based Flash MCU

ATSAM4L4/L2
Below, Table 28-2 lists the compatibility level of the Atmel Two-wire Slave Interface and a full
SMBus compatible device.
Table 28-2. Atmel TWIS Compatibility with SMBus Standard
SMBus Standard
Atmel TWIS
Bus Timeouts
Supported
Address Resolution Protocol
Supported
Packet Error Checking
Supported
28.3 List of Abbreviations
Table 28-3. 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
28.4 Block Diagram
Figure 28-1. Block Diagram
Peripheral
Bus Bridge
Power
Manager
CLK_TWIS
Two-wire
Interface
I/O Controller
TWI Interrupt
Interrupt
Controller
TWCK
TWD
42023C–SAM–02/2013
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