Atmel Evaluation Kit AT91SAM9G25-EK AT91SAM9G25-EK Data Sheet

Product codes
AT91SAM9G25-EK
Page of 1165
948
SAM9G25 [DATASHEET]
11032D–ATARM–10-Mar-2014
42.2
Embedded Characteristics
Modulations and protocols
V.90 
V.34
V.32bis, V.32, V.22bis, V.22, V.23, V.21
V.23 reverse, V.23 half-duplex
Bell 212A/Bell 103
V.29 FastPOS
V.22bis fast connect
V.80 Synchronous Access Mode
Data compression and error correction
V.44 data compression (V.92 model)
V.42bis and MNP 5 data compression
V.42 LAPM and MNP 2-4 error correction
EIA/TIA 578 Class 1 and T.31 Class 1.0
Call Waiting (CW) detection and Type II Caller ID decoding during data mode
Type I Caller ID (CID) decoding
Sixty-three embedded and upgradable country profiles
Embedded AT commands
SmartDAA
Extension pick-up detection
Digital line protection
Line reversal detection
Line-in-use detection
Remote hang-up detection
Worldwide compliance
42.3
Block Diagram
Figure 42-1. Software Modem Device Block Diagram
SMD Controller
SMD Core
AHB
Wrapper
AHB
CPU
Interrupt
FIFO
Interface
8x32 (2)
DMA
Parallel
Interface
DIB
Interface
Circuitry
DIB 
Pads 
Byte Parallel
Interface
FIFO 2x16
FIFO 2x16
Ring
Detection
and Pulse
Dialing
Machines
(masters)
DMA Channel
Logic
Control/Status
Registers
Control
Channel Logic
X
X