AT91SAM7S32-AI ATMEL [ATMEL Corporation], AT91SAM7S32-AI Datasheet - Page 309
AT91SAM7S32-AI
Manufacturer Part Number
AT91SAM7S32-AI
Description
AT91 ARM Thumb-based Microcontrollers
Manufacturer
ATMEL [ATMEL Corporation]
Datasheet
1.AT91SAM7S32-AI.pdf
(446 pages)
- Current page: 309 of 446
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Synchronous Serial Controller (SSC)
Overview
Block Diagram
6071A–ATARM–28-Oct-04
The Atmel Synchronous Serial Controller (SSC) provides a synchronous communication link
with external devices. It supports many serial synchronous communication protocols generally
used in audio and telecom applications such as I2S, Short Frame Sync, Long Frame Sync,
etc.
The SSC contains an independent receiver and transmitter and a common clock divider. The
receiver and the transmitter each interface with three signals: the TD/RD signal for data, the
TK/RK signal for the clock and the TF/RF signal for the Frame Sync. Transfers contain up to
16 data of up to 32 bits. They can be programmed to start automatically or on different events
detected on the Frame Sync signal.
The SSC’s high-level of programmability and its two dedicated PDC channels of up to 32 bits
permit a continuous high bit rate data transfer without processor intervention.
Featuring connection to two PDC channels, the SSC permits interfacing with low processor
overhead to the following:
•
•
•
Figure 130. Block Diagram
CODEC’s in master or slave mode
DAC through dedicated serial interface, particularly I2S
Magnetic card reader
ASB
APB
APB Bridge
PMC
MCK
PDC
Interrupt Control
SSC Interface
SSC Interrupt
AT91SAM7S32 Preliminary
PIO
TF
TK
TD
RF
RK
RD
309
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