Read Sharp TU-X1E (serv.man8) Service Manual online
TU-X1E/RU
7 – 12
8. VHIAK8131C-1Y CLOCK GENERATOR
9. VHILCX125FT-1Y Quad Bus Buffer
Pin No.
Pin Name
I/O
Pin Function
1
X1
I
27.0MHz Crystal oscillator connection terminal
2
S0
-
CLK1/CLK2/CLK3 output setting terminal. Internal pull-up 360K
Ω
3
S1
-
CLK1/CLK2/CLK3 output setting terminal. Internal pull-up 360K
Ω
4
VIN
I
VCXO control voltage input terminal
5
VDD1
-
Power supply terminal 1
6
GND1
-
Ground terminal 1
7
CLK1
O
Clock output terminal 1 Internal pull-down 510K
Ω
8
CLK2
O
Clock output terminal 2 Internal pull-down 510K
Ω
9
REFOUT
O
27.000MHz is outputted.
10
CLK3
O
Clock output terminal 3
11
CLK4
O
Clock output terminal 4
12
GND2
-
Ground terminal 2
13
VDD2
-
Power supply terminal 2
14
S2
-
CLK1/CLK2/CLK3 output setting terminal. Internal pull-up 360K
Ω
15
VDD3
-
Power supply terminal 3
16
X2
O
27.0MHz Crystal oscillator connection terminal
Pin No.
Pin Name
I/O
Pin Function
1
1OE#
I
Invert output enable terminal 1
2
1A
I
Input terminal 1A
3
1Y
O
Output terminal 1Y
4
2OE#
I
Invert output enable terminal 2
5
2A
I
Input terminal 2A
6
2Y
O
Output terminal 2Y
7
GND
-
Ground
8
3Y
O
Output terminal 3Y
9
3A
I
Input terminal 3A
10
3OE#
I
Invert output enable terminal 3
11
4Y
O
Output terminal 4Y
12
4A
I
Input terminal 4A
13
4OE#
I
Invert output enable terminal 4
14
VCC
-
Power supply
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