IT6623
Pin Description
Digital Audio Output Pins
Pin Name
XTALIN
Direction Description
Type
Pin No.
20
Input
Crystal clock input (for Audio PLL)
LVTTL
LVTTL
LVTTL
LVTTL
LVTTL
XTALOUT
MCLK
Output
Output
Output
Output
Crystal clock output (for Audio PLL)
19
Audio master clock
127
128
3
SCK_DCLK
WS_DR0
I2S serial clock output, doubles as DSD clock
I2S word select output, doubles as DSD Serial Right CH0 data
output
I2S0_DL0
I2S1_DR1
I2S2_DL1
I2S3_DR2
SPDIF_DL2
Output
Output
Output
Output
Output
I2S serial data output, doubles as DSD Serial Left CH0 data
LVTTL
LVTTL
LVTTL
LVTTL
LVTTL
13
10
5
output
I2S serial data output, doubles as DSD Serial Right CH1 data
output
I2S serial data output, doubles as DSD Serial Left CH2 data
output
I2S serial data output, doubles as DSD Serial Right CH2 data
output
4
S/PDIF audio output, doubles as DSD Serial Left CH2 data
output
14
MUTE_DR3 Output
DSD_DL3 Output
Mute output, doubles as DSD Serial Right CH3 data output
DSD Serial Left CH3 data output
LVTTL
LVTTL
16
15
Digital Audio Input Pins
Pin Name
TX_MCLK
TX_SCK
TX_WS
Direction Description
Type
Pin No.
107
Input
Input
Input
Input
Input
Audio master clock input
I2S serial clock input
LVTTL
LVTTL
LVTTL
LVTTL
LVTTL
LVTTL
115
I2S word select input
112
TX_I2S0
TX_I2S1
I2S serial data input
111
I2S serial data input
110
TX_I2S2_DS Input
I2S serial data input/ DSD Serial Left CH3 data input
109
D3L
TX_I2S3_DS Input
D3R
I2S serial data input/ DSD Serial Right CH3 data input
LVTTL
108
TX_SPDIF
TX_DCLK
TX_DSD0R
Input
Input
Input
S/PDIF audio input
LVTTL
LVTTL
LVTTL
106
116
117
DSD Serial audio clock input
DSD Serial Right CH0 data input
Dec-2010 Rev:1.1 6/15
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ITE [ ITE TECH.INC. ]
