Data Sheet
OXFW970
7.1 Channel-Streaming Audio FireWire Controller
Features
4 serial-audio ports providing 8 channels (4 stereo channels)
2 input channels
Supports standard AM824 audio format (as specified in
IEC 61883-6)
Supports master & slave modes (bit/word clocks) on serial audio
interface
Provides a master clock (256 fs) & synchronized serial audio
interface to an external DAC
Provides low-jitter audio master clock (256 fs) clock recovery
External DAC can be set up using a conventional serial control
interface (using GPIO pins)
ARM7TDMI
®
embedded processor
Supports both IEEE1394a & IEEE 1394b at speeds up to S800
1394 isochronous serial audio interface supports 4 × 2 audio
channels
Integrated 512-kbit flash memory
Supports remote flash programming via the 1394 serial bus
(firmware & flash programming utilities supplied by Oxford
Semiconductor)
Debug capabilities using internal UART or JTAG ports
3.3-V I/O, 1.8-V core operating voltage
100-pin TQFP (14 × 14 × 1 mm)
Supports audio sample rates of 32 kHz, 44.1 kHz, 48 kHz &
96 kHz, with 16-, 24-, & 32-bit samples
Supports external audio master clock smoothing
Supports Mac OS & Windows
DS-0004 Jun 05 (2)
External—Free Release
1
OXFORD [ OXFORD SEMICONDUCTOR ]
