Read Sony MEX-1GP Service Manual online
43
MEX-1GP
76
VDD_18
—
Power supply (+1.8V)
77
VSS
—
Ground
78
NEINT (0)
I
MA-SL serial data input
79
NEINT (1)
I
MA-SL request signal input
80
NEINT (2)
—
Not used (Open)
81
NEINT (3)
—
Not used (Open)
82
U_TXD
—
Not used (Open)
83
U_RXD
—
Not used (Open)
84
SD_CLK
—
Not used (Open)
85
SD_CMD
—
Not used (Open)
86 to 89
SD_D (0) to (3)
—
Not used (Open)
90
VDD_33
—
Power supply (+3.3V)
91
VSS
—
Ground
92
VDD_18
—
Power supply (+1.8V)
93
NRESET
I
Chip reset signal input
94
NTRST
I
JTEG reset signal input
95
TCK
—
Not used (Open)
96
TDI
—
Not used (Open)
97
MS
—
Not used (Open)
98
TDO
—
Not used (Open)
99
TEST
—
Not used (Connected to ground)
100
SCL_0
O
SL-MA serial data output
101
DSA_0
O
SL-MA serial transfer clock output
102
ADC_DATA
—
Not used (Open)
103
DAC_DATA
O
DAC serial data output
104
C_LRCK
O
Codec left/right clock output
105
C_BCK
O
Codec serial clock output
106
C_MSCK
O
Codec master clock output
107
SIO_CK
—
Not used (Open)
108
SIO_RDY
—
Not used (Open)
109
SIO_RXD
—
Not used (Pull up)
110
SIO_TXD
—
Not used (Pull down)
111
SPI_NSS
—
Not used (Pull down)
112
SPI_MISO
—
Not used (Pull down)
113
SPI_MOSI
—
Not used (Pull down)
114
VDD_33
—
Power supply (+3.3V)
115
VDD_18
—
Power supply (+1.8V)
116
VSS
—
Ground
117
SPI_SCK
—
Not used (Pull down)
118
GA (2)
—
Not used (Pull up)
119
GA (0)
—
Not used (Open)
120
F (14)
—
Not used (Pull down)
121
SR_CSN (1)
—
Not used (Open)
122
SR_CSN (0)
—
Not used (Open)
123
SR_WEN
—
Not used (Open)
124
SR_OEN
—
Not used (Open)
125
F (3)
—
Not used (Open)
126
D (10)
—
Not used (Open)
127
D (7)
I
SDRAM busy signal input
128
D (6)
O
SDRAM write signal output
Pin No.
Pin Name
I/O
Pin Description
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