CM8888 Datasheet, PDF (12/25 Pages) California Micro Devices Corp – CMOS INTEGRATED DTMF TRANCEIVER

Oxygen^TM Express-series CM8888
High-Performance PCI Express Audio Processor
19
DVCC
P
Digital core power
20
XGPIO_12
DIO,PD GPIO12, default Input
21
XGPIO_13
DIO,PD GPIO13, default Input
22
XGPIO_14
DIO,PD GPIO14, default Input
23
XGPIO_15
DIO,PD GPIO15, default Input
24
GND
G
Digital ground
25
VDD18
P
Digital 1.8V power
26
DVCC
P
Digital core power
27
XHDA_SDO
DO
HDA serial data output to codec
28
XHDA_BCLK
DO
HDA 24MHz serial clock output
29
XHDA_SDI
DIO,PD 1^st HDA serial data input from codec
30
XHDA_SYNC
DO
HDA frame synchronization
31
XHDA_RSTN
DO
HDA codec reset 0
SPI chip enable, which select the codec #7 to
32
XSPI_CEN7
DIO,PU
be controled
SPI chip enable, which select the codec #6 to
33
XSPI_CEN6
DIO,PU
be controled
SPI chip enable, which select the codec #5 to
34
XSPI_CEN5
DIO,PU
be controled
SPI chip enable, which select the codec #4 to
35
XSPI_CEN4
DIO,PU
be controled
36
XPERSTN
DI,PU PCIe PHY reset no.
37
XTEST
DI,PD Test mode enable
38
DVCC
P
Digital core power
39
XSPDIFI_0
DI
1^st S/PDIF receiver
40
XSPDIFI_1
DI
2^nd S/PDIF receiver
41
XGPIO_0
DIO,PD GPIO0, default input
42
XGPIO_1
DIO,PD GPIO1, default input
43
XGPIO_2
DIO,PD GPIO2, default input
44
XGPIO_3
DIO,PD GPIO3, default input
45
XOSC45
DI,PD 45.1584 MHz Osc in
46
XOSC49
DI,PD 49.1520 MHz Osc in
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