Oxford Semiconductor Ltd.
OXFW970 Data Sheet
Figure 1 OXFW970 Diagram
GPIO
Bit Clock
Word Clock
Data (0)
Serial Audio
ARM
Reference
Peripheral Set
RAM control
1394
1394
Link
Layer
Asynch-
ronous
Engine/
Isoch Rx
Engine
FIFO pointers
Fill level
information
Unified memory
architecture:
Clock
Recovery
Audio 256-fs Clock Out
Audio 256-fs Clock In
Audio PD VCO Out
Audio PD SYS Out
Data (1)
Data (2)
Data (3)
Queue
Selector
APB
Bridge
Flash
Memory
ARM7TMDI
Scratch
RAM
Audio-In
UART
Environmental
Characteristics
Symbol
V
DD
V
IN
V
OUT
T
STG
Tables 1
to
3
detail the required operating conditions for the device and
the DC electrical characteristics.
Table 1 Absolute Maximum Device Ratings
Parameter
DC supply voltage
DC input voltage
DC output voltage
Storage temperature
1.8 V
3.3 V
3.3-V input buffer
3.3-V interface/5-V tolerant input buffer
3.3-V output buffer
3.3-V interface/5-V tolerant output buffer
Storage temperature
Rating
2.7
3.8
3.8
6.5
3.8
6.5
–40 to 85
Units
V
V
V
°C
Table 2 Recommended Operating Conditions
Symbol
V
DD
V
IN
V
OUT
T
A
Parameter
DC supply voltage for internal
DC supply voltage for I/O block
DC input voltage
DC output voltage
Industrial temperature range
1.8 V
3.3 V
3.3-V input buffer
3.3-V interface/5-V tolerant input buffer
3.3-V output buffer
3.3-V interface/5-V tolerant output buffer
Rating
1.8 ± 0.15
3.3 ± 0.3
3.3 ± 0.3
3.0~5.25
3.3 ± 0.3
3.3 ± 0.3
–40 to 85
°C
Units
V
V
DS-0004 Jun 05 (2)
External—Free Release
3
OXFORD [ OXFORD SEMICONDUCTOR ]
