WM8734SEFL Wolfson Microelectronics, WM8734SEFL Datasheet - Page 37

• Manufacturer Part Number: WM8734SEFL
• Description: Audio CODECs Stereo CODEC
• Manufacturer: Wolfson Microelectronics

Specifications of WM8734SEFL

• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Package / Case: QFN-28
• Minimum Operating Temperature: - 25 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

WM8734
w
0000110
Power Down
Control
0000111
Digital Audio
Interface Format
REGISTER
ADDRESS
0
2
3
4
7
1:0
3:2
4
5
6
7
BIT
LINEINPD
ADCPD
DACPD
OUTPD
POWEROFF
FORMAT[1:0]
IWL[1:0]
LRP
LRSWAP
MS
BCLKINV
LABEL
1
1
1
1
1
10
10
0
0
0
0
DEFAULT
Line Input Power Down
1 = Enable Power Down
0 = Disable Power Down
ADC Power Down
1 = Enable Power Down
0 = Disable Power Down
DAC Power Down
1 = Enable Power Down
0 = Disable Power Down
Line Output Power Down
1 = Enable Power Down
0 = Disable Power Down
POWEROFF mode
1 = Enable POWEROFF
0 = Disable POWEROFF
Audio Data Format Select
11 = DSP Mode, frame sync + 2 data
packed words
10 = I
justified
01 = MSB-First, left justified
00 = MSB-First, right justified
Input Audio Data Bit Length Select
11 = 32 bits
10 = 24 bits
01 = 20 bits
00 = 16 bits
DACLRC phase control (in left, right
or I
1 = Right Channel DAC data when
DACLRC high
0 = Right Channel DAC data when
DACLRC low
(opposite phasing in I
or
DSP mode A/B select (in DSP mode
only)
1 = MSB is available on 2nd BCLK
rising edge after ADCLRC/DACLRC
rising edge
0 = MSB is available on 1st BCLK
rising edge after ADCLRC/DACLRC
rising edge
DAC Left Right Clock Swap
1 = Right Channel DAC Data Left
0 = Right Channel DAC Data Right
Master Slave Mode Control
1 = Enable Master Mode
0 = Enable Slave Mode
Bit Clock Invert
1 = Invert BCLK
0 = Don’t invert BCLK
2
S modes)
2
S Format, MSB-First left-1
DESCRIPTION
PD, Rev 4.3, January 2009
2
S mode)
Production Data
37