at91sam9263 ATMEL Corporation, at91sam9263 Datasheet - Page 591

• Manufacturer Part Number: at91sam9263
• Description: At91 Arm Thumb Microcontrollers
• Manufacturer: ATMEL Corporation

35. AC’97 Controller (AC’97C)
35.1
6249D–ATARM–20-Dec-07
Description
The AC‘97 Controller is the hardware implementation of the AC’97 digital controller (DC’97)
compliant with AC’97 Component Specification 2.2. The AC’97 Controller communicates with an
audio codec (AC’97) or a modem codec (MC’97) via the AC-link digital serial interface. All digital
audio, modem and handset data streams, as well as control (command/status) informations are
transferred in accordance to the AC-link protocol.
The AC’97 Controller features a Peripheral DMA Controller (PDC) for audio streaming transfers.
It also supports variable sampling rate and four Pulse Code Modulation (PCM) sample resolu-
tions of 10, 16, 18 and 20 bits.
AT91SAM9263 Preliminary
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