SAM4L Datasheet, PDF (700/1185 Pages) ATMEL Corporation – ATSAM ARM-based Flash MCU

ATSAM4L4/L2
Table 27-2 lists the compatibility level of the Atmel Two-wire Master Interface and a full SMBus
compatible master.
Table 27-2. Atmel TWIM Compatibility with SMBus Standard
SMBus Standard
Atmel TWIM
Bus Timeouts
Supported
Address Resolution Protocol
Supported
Host Functionality
Supported
Packet Error Checking
Supported
27.3 List of Abbreviations
Table 27-3. 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
27.4 Block Diagram
Figure 27-1. Block Diagram
Peripheral
Bus Bridge
Power
Manager
CLK_TWIM
Two-wire
Interface
I/O Controller
TWI Interrupt
Interrupt
Controller
TWCK
TWD
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