CMI8787 Datasheet, PDF (15/28 Pages) C-Media Electronics – High Performance PCI Audio Processor

XGPIO6/
XADC3_BCLK
XGPIO7/
XADC3_LRCK
XGPIO8/
XADC3_SDIN
XHPD_E/
XTEST
XHPD_IN
XHPD_R1
XHPD_R2
XTAL1
XTAL2
XRSTO
XPWDN
DVDD
DGN D
C-Media High Performance PCI Audi o Processor
Oxygen^TM HD CMI8787 Datasheet v0.5
at the rising edge of XRST.
99
DIO, PD ^{GPIO6, default input. This pin is shared with XADC3_BCLK,}
which determined by XTXD input configuration at the rising edge
of XRST.
100
DIO, PD ^{GPIO7, default output Low. This pin is shared with}
XADC3_LRCK, which determined by XTXD input configuration
at the rising edge of XRST.
101
DIO, PD ^{GPIO8, default input. This pin is shared with XADC3_SDIN,}
which determined by XTXD input configuration at the rising edge
of XRST.
Headphone Sensing Interface
103
DIO, PD ^{Head phone detect enable. This pin is shared with test mode}
selection at the rising edge of XRST
104
AI Head phone voltage input
105
AI Head phone reference resistor 1
106
46
47
71
115
6, 19, 32, 45,
56, 76, 89,
117
12, 26, 39, 48,
70, 81, 102,
114
AI Head phone reference resistor 2
Miscellaneous
DI _{24.576Mhz OSC input}
DO _{OSC output}
DO ^{External Codec reset, can be programmed as Active Low or High}
with Register 0x50-bit 2
DO Power Down output pin, Active Low, default High
3.3V power input
Ground
14
C-MEDIA CONFIDENTIAL