CMI8787 Datasheet, PDF (14/28 Pages) C-Media Electronics – High Performance PCI Audio Processor

XA0/
XSPI_CEN0
XSSCL/
XGPIO3
XSSDA/
XGPIO4
XMCU_INT
XSLAVE_RDY/
XGPIO1
XSPDIFI
XSPDIFO
XEECS
XEESK/
XSPI_CEN 4
XEEDI
XEEDO/
XSPI_CEN 5
XGPI0
XGPI1
XGPI2
XGPI3
XGPI4
XGPI5
XGPIO0
XGPIO1/
XSLAVE_RDY
XGPIO2
XGPIO3/XSSCL
XGPIO4/XSSDA
XGPIO5/
XADC3_MCLK
C-Media High Performance PCI Audi o Processor
Oxygen^TM HD CMI8787 Datasheet v0.5
0: XADC1_SDIN1).
77
DIO, PU ^{2-wire serial bus codec address A0. This pin is shared with SPI}
chip enable, which select the codec #0 to be controlled. It is also
used as XGPIO3~4 and SSCL/SSDA configuration (input, 1:
GPIO3~4, 0: SSCL/SSDA) at the rising edge of XRST.
2-Wire Slave Serial Bus
52
DIO, PU ^{2-wire serial bus clock. This pin is shared with XGPIO3.}
53
DIO, PU ^{2-wire serial bus data. This pin is shared with XGPIO4.}
72
DO ^{Interrupt output for external Micro Control Unit (MCU).}
50
DIO, PD 2-wire serial bus data ready. This pin is shared with XGPIO1.
S/PDIF Interface
107
DI S/PDIF receiver.
116
DO S/PDIF transmitter.
EEPROM Interface
67
DIO, PD ^{EEPROM chip enable (output). It is also used as power on}
EEPROM CS delay configuration (input, 0: no delay, 1: delay 1
clock) at the rising edge of XRST
68
DO ^{EEPROM serial clock. This pin is shared with SPI chip enable,}
which select the codec #4 to be controlled
66
DI, PU ^{EEPROM serial data in}
69
DO ^{EEPROM serial data out. This pin is shared with SPI chip enable,}
which select the codec #5 to be controlled
Jack Detect GPI Interface
108
DI, PD JACK A detection input
109
DI, PD JACK B detection input
110
DI, PD JACK C detection input
111
DI, PD JACK D detection input
112
DI, PD JACK E detection input
113
DI, PD JACK F detection input
GPIO Interface
49
DIO, PD GPIO0, default output Low.
50
DIO, PD ^{GPIO1, default output Low. This pin is shared with I2C Slave data}
ready.
51
DIO, PD GPIO2, default input.
52
DIO, PU ^{GPIO3, default output Low. This pin is shared with I2C Slave}
serial clock.
53
DIO, PU GPIO4, default input. This pin is shared with I2C Slave serial data
98
DIO, PD ^{GPIO5, default output Low. This pin is shared with}
XADC3_MCLK, which determined by XTXD input configuration
13
C-MEDIA CONFIDENTIAL