WM8903LGEFK/RV Wolfson Microelectronics, WM8903LGEFK/RV Datasheet - Page 162

• 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

WM8903
R112 (70h)
Write
Sequencer 4
Register 70h Write Sequencer 4
R116 (74h)
GPIO
Control 1
Register 74h GPIO Control 1
w
REGISTER
ADDRESS
REGISTER
ADDRESS
BIT
9:4
13:8
0
BIT
7
6
5
4
3
2
1
0
GP1_INTMODE
WSEQ_CURRENT_INDEX
GP1_OP_CFG
GP1_IP_CFG
GP1_FN [5:0]
GP1_LVL
GP1_DIR
GP1_PD
GP1_PU
GP1_DB
LABEL
WSEQ_BUSY
LABEL
[5:0]
DEFAULT
00_0000
1
0
1
0
1
0
0
0
GPIO 1 Pin Function select
00h = GPIO output
01h = Reserved
02h = IRQ output
03h = GPIO input
04h = MICBIAS Current detect
05h = MICBIAS Short Circuit detect
06h = DMIC_LR Clock output
07h = Reserved
08h = FLL Lock output
09h = FLL Clock output
0Ah to 3Fh = Reserved
GPIO Pin Direction
0 = Output
1 = Input
Output pin configuration
0 = CMOS
1 = Open-drain
Input pin configuration
0 = Active low
1 = Active high
GPIO Output Level
(when GP1_FN = 00000)
0 = Logic 0
1 = Logic 1
GPIO Pull-Down Enable
0 = Pull-down disabled
1 = Pull-down enabled (Approx 100kΩ)
GPIO Pull-Up Enable
0 = Pull-up disabled
1 = Pull-up enabled (Approx 100kΩ)
GPIO Interrupt Mode
0 = Level triggered
1 = Edge triggered
GPIO de-bounce
0 = GPIO is not debounced
1 = GPIO is debounced
DEFAULT
00_0000
0
Sequence Current Index. This is the
location of the most recently accessed
command in the write sequencer memory.
Sequencer Busy flag (Read Only).
0 = Sequencer idle
1 = Sequencer busy
Note: it is not possible to write to control
registers via the control interface while the
Sequencer is Busy.
DESCRIPTION
DESCRIPTION
PD, Rev 4.0, September 2010
Production Data
162