WM8990ECS/RV Wolfson Microelectronics, WM8990ECS/RV Datasheet - Page 146

• Manufacturer Part Number: WM8990ECS/RV
• Description: Audio CODECs Stereo CODEC w.Class AB/D speaker driver
• Manufacturer: Wolfson Microelectronics

Specifications of WM8990ECS/RV

• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

WM8990
w
R08 (08h)
Audio
Interface (3)
R09 (09h)
Audio
Interface (4)
REGISTER
ADDRESS
7:5
4:2
1:0
15
14
13
12
11
10:0
15
14
13
12
11
BIT
ADC_CLKDIV
[2:0]
DAC_CLKDIV
[2:0]
AIF_MSTR1
AIF_MSTR2
AIF_SEL
ADCLRC_DIR
ADCLRC_RATE
[10:0]
ALRCGPIO1
AIF_TRIS
DACLRC_DIR
LABEL
000b
000b
00b
0b
0b
0b
0b
0b
040h
0b
0b
0b
0b
0b
DEFAULT
ADC Sample Rate Divider
000 = SYSCLK / 1.0
001 = SYSCLK / 1.5
010 = SYSCLK / 2.0
011 = SYSCLK / 3.0
100 = SYSCLK / 4.0
101 = SYSCLK / 5.5
110 = SYSCLK / 6.0
111= Reserved
DAC Sample Rate Divider
000 = SYSCLK / 1.0
001 = SYSCLK / 1.5
010 = SYSCLK / 2.0
011 = SYSCLK / 3.0
100 = SYSCLK / 4.0
101 = SYSCLK / 5.5
110 = SYSCLK / 6.0
111= Reserved
Reserved - Do Not Change
Audio Interface 1 Master Mode Select
0 = Slave mode
1 = Master mode
Audio Interface 2 Master Mode Select
0 = Slave mode
1 = Master mode
Audio Interface Select
0 = Audio interface 1
1 = Audio interface 2 (GPIO3/BCLK2, GPIO4/DACLRC2,
GPIO5/DACDAT2)
Reserved - Do Not Change
ADCLRC Direction
(Forces ADCLRC clock to be output in slave mode)
0 = ADCLRC normal operation
1 = ADCLRC clock output enabled
ADCLRC Rate
ADCLRC clock output = BCLK / ADCLRC_RATE
Integer (LSB = 1)
Valid from 8..2047
ADCLRC/GPIO1 Pin Function Select
0 = ADCLRC pin
1 = GPIO1 pin (ADCLRC connected to DACLRC internally)
Reserved - Do Not Change
Audio Interface and GPIO Tristate
0 = Audio interface and GPIO pins operate normally
1 = Tristate all audio interface and GPIO pins
Reserved - Do Not Change
DACLRC Direction
(Forces DACLRC clock to be output in slave mode)
0 = DACLRC normal operation
1 = DACLRC clock output enabled
DESCRIPTION
PD, March 2009, Rev 4.0
Production Data
146