Sony SCD-XB940 Service Manual page 67

Pin No. Pin Name
106 VDD
107 VSS
108 X2/CLKIN
109 X1
110 VDD
111 VSS
112 VCCA6
113 LF
114 GNDA6
115 VDD
116 VSS
117 HD7/HIO
HD6/HO6,
118 to 120
HD4/HO4
121 VDD
HD3/HO3,
122 to 125
HD0/HO0
126 VSS
127 SRPRN
128 HINT/HTXD
I/O
—
Power supply terminal (+3.3V) (digital system)
—
Ground terminal (digital system)
I
Clock input terminal (27MHz)
O Clock output terminal (27MHz)
—
Power supply terminal (+3.3V) (digital system)
—
Ground terminal (digital system)
—
Power supply terminal (+3.3V) (analog system)
I/O LF signal input/output terminal
—
Ground terminal (analog system)
—
Power supply terminal (+3.3V) (digital system)
—
Ground terminal (digital system)
Two-way data bus with the system controller (IC605), S-RAM (IC609), expander (IC612) , RF
I/O
signal decoder (IC622), and ROM (IC632)
Two-way data bus with the system controller (IC605), S-RAM (IC609), expander (IC612) , RF
I/O
signal decoder (IC622), and ROM (IC632)
— Power supply terminal (+3.3V) (digital system)
Two-way data bus with the system controller (IC605), S-RAM (IC609), expander (IC612) , RF
I/O
signal decoder (IC622), and ROM (IC632)
— Ground terminal (digital system)
I
Parallel/serial mode select signal input terminal
O
Interrupt signal output to the expander (IC612)
Description
"L": parallel mode (fixed at "L" in this set)
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