WM8903LGEFK/RV Wolfson Microelectronics, WM8903LGEFK/RV Datasheet - Page 105

• Manufacturer Part Number: WM8903LGEFK/RV
• Description: Audio CODECs ULTRA LOW PWR HI FI CODEC
• Manufacturer: Wolfson Microelectronics

Specifications of WM8903LGEFK/RV

• Audio Codec Type: Stereo Codec
• No. Of Adcs: 2
• No. Of Dacs: 2
• No. Of Input Channels: 6
• No. Of Output Channels: 8
• Adc / Dac Resolution: 24bit
• Sampling Rate: 96kHz
• Operating Temperature Range: -40°C To +85°C
• Rohs Compliant: Yes
• Adcs / Dacs Signal To Noise Ratio: 96dB
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Pre-Production
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
w
WSEQ
INDEX
R4 (4h)
R65 (41h)
R17 (11h)
R65 (41h)
R5 (5h)
R17 (11h)
R5 (5h)
R5 (5h)
R4 (4h)
R14 (Eh)
R13 (Dh)
R15 (Fh)
R22 (16h)
R18 (12h)
R255 (FFh)
R4 (4h)
R98 (62h)
R255 (FFh)
R90 (5Ah)
REGISTER
ADDRESS
5 bits
1 bit
2 bits
1 bit
8 bits
2 bits
2 bits
2 bits
1 bit
2 bits
2 bits
2 bits
1 bit
2 bits
1 bit
1 bit
1 bit
1 bit
8 bits
WIDTH
Bit 0
Bit 1
Bit 0
Bit 1
Bit 0
Bit 0
Bit 3
Bit 1
Bit 0
Bit 0
Bit 0
Bit 0
Bit 1
Bit 2
Bit 0
Bit 4
Bit 0
Bit 0
Bit 0
START
1Ah
01h
03h
00h
F7h
00h
00h
01h
01h
03h
03h
03h
01h
03h
00h
00h
01h
00h
11h
DATA
DELAY
0h
9h
0h
0h
Bh
0h
0h
0h
0h
0h
0h
0h
0h
5h
0h
0h
6h
0h
0h
0b
0b
0b
0b
0b
0b
0b
0b
0b
0b
0b
0b
0b
0b
0b
0b
0b
0b
0b
EOS
POBCTRL = 1
ISEL = 10
STARTUP_BIAS_ENA = 1
BIAS_ENA = 0
SPK_DISCHARGE = 1
Wait 32ms
SPKL_ENA = 1
SPKR_ENA = 1
SPK_DISCHARGE = 0
VMID_TIE_ENA = 1
BUFIO_ENA = 1
VMID_IO_ENA = 1
VMID_SOFT = 10
VMID_RES = 11
VMID_BUF_ENA = 1
Wait 128ms
SPKL_ENA = 0
SPKR_ENA = 0
VMID_SOFT = 00
VMID_RES = 01
BIAS_ENA = 1
HPL_PGA_ENA = 1
HPR_PGA_ENA = 1
MIXOUTL = 1
MIXOUTR = 1
LINEOUTL_PGA_ENA = 1
LINEOUTR_PGA_ENA = 1
CLK_DSP_ENA = 1
DACL_ENA = 1
DACR_ENA = 1
Wait 2 ms
Spare step
POBCTRL = 0
CP_ENA = 1
Wait 4ms
Spare step
HPL_RMV_SHORT = 0
HPL_ENA_OUTP = 0
HPL_ENA_DLY = 0
HPL_ENA = 1
HPR_RMV_SHORT = 0
HPR_ENA_OUTP = 0
HPR_ENA_DLY = 0
HPR_ENA = 1
DESCRIPTION
PP, Rev 3.1, August 2009
WM8903
105