參數(shù)資料
型號(hào)： DIR1703E
英文描述： DIGITAL AUDIO INTERFACE RECEIVER
中文描述： 數(shù)字音頻接口接收機(jī)
文件頁(yè)數(shù)： 3/19頁(yè)
文件大小： 236K
代理商： DIR1703E
SLES007
–
JULY 2001
3
www.ti.com
Terminal Functions
TERMINAL
I/O
DESCRIPTIONS
NAME
ADFLG
PIN
1
O
Audio data or digital data flag
BRATE0
2
O
fs rate flag 0 (32 k, 44.1 k, 48 k, and 88 k / 96 k)
fs rate flag 1 (32 k, 44.1 k, 48 k, and 88 k / 96 k)
System clock output
BRATE1
3
O
SCKO
4
O
VDD
DGND
5
–
Digital power supply, +3.3 V
6
–
Digital ground
XTO
7
O
Crystal oscillator output
XTI
8
I
Crystal oscillator input, external clock input
CKTRNS
9
O
Clock transition status output
LRCKO
10
O
Audio latch enable (LRCK, fs) output
Audio bit clock output
BCKO
11
O
DOUT
12
O
Audio serial data output
SCF0
13
I
System clock frequency select (128/256/384/512 fs) (see Note 1)
System clock frequency select (128/256/384/512 fs) (see Note 1)
Channel status bit output (see Note 2)
SCF1
14
I
CSBIT
15
O
URBIT
16
O
User bit output (see Note 2)
EMFLG
17
O
Emphasis flag
BFRAME
18
O
Block start clock (B-frame)
BRSEL
19
I
Default bit rate select (32 / 44.1 / 48 / 88.2 / 96 kHz) (see Note 1)
DIN
20
I
S/PDIF data digital input (see Note 4)
RST
21
I
Reset input, active LOW (see Note 3)
FILT
22
–
External filter
AGND
23
–
Analog ground
VCC
FMT0
24
–
Analog power supply, 3.3V
25
I
Audio data format select (see Note 1)
FMT1
26
I
Audio data format select (see Note 1)
UNLOCK
27
O
PLL unlock or parity error flag
CKSEL
28
I
System clock operation mode selected. Low: PLL, High: Crystal (see Note 1)
1. Schmitt trigger input with internal pulldown (TYP 51 k
), 5 V tolerant.
2. Serial outputs are utilized for both consumer and professional application.
3. Schmitt trigger input with internal pullup (TYP 51 k
), 5 V tolerant.
4. CMOS level input with internal pulldown (TYP 51 k
), 5 V tolerant.
NOTES:
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