Sony XES-Z50 Service Manual page 57

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MAIN BOARD IC802 HD6413002F16 (DISPLAY CONTROLLER)
Pin No. Pin Name
1 VDD
2 SIRCS
3 SIRCS
4 DSPL-RST
5 DSPL-ON
6 TX-SEL
7 NCO
8 CS-CTL
9 DOWN LOAD
10 NIH
11 VSS
12 LCD-TX
13 UNISO
14 LCD-RX
15 UNISI
16 NCO
17 UNICKI
18
TE
L 13942296513
19
20
21
22 VSS
23
24
25
26
27
28
29 D10
30 D11
31 D12
32 D13
33 D14
34 D15
35 VDD
36
37
38
39
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40
41
.
42
43
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I/O
—
Power supply terminal (+5V)
I
Sircs signal input from the remote control receiver in display unit
I Sircs signal input from the remote control receiver in display unit
Reset signal output to the display controller (IC901) "L": reset
O
At the power supply, "L" is output to reset the display controller
Output of power on/off control signal for the display circuit power supply "H": power on
O
Besides power on/off control, the display data and reset signal transmission to the display
controller (IC901) is controlled at the output of "H"
O
Not used (open)
O Not used (open)
O
Not used (open)
I
"H" is input when external flash memory data are rewritten Normally "L"
I
Reset signal output to the external RAM device Not used (fixed at "H")
— Ground terminal
O
Transmit data output to the display controller (IC901)
O
Serial data output to the bus interface (IC503) (for SONY bus)
I
Receive data input from the display controller (IC901)
I Serial data input from the bus interface (IC503) (for SONY bus)
O
Not used (open)
I
Serial data transfer clock signal input from the system controller (IC501)
D0 I/O
D1 I/O
Two-way data bus with the flash memory (IC804) and S-RAM (IC805)
D2 I/O
D3 I/O
—
Ground terminal
D4 I/O
D5 I/O
D6 I/O
D7 I/O
D8 I/O
D9 I/O
Two-way data bus with the flash memory (IC804) and S-RAM (IC805)
I/O
I/O
I/O
I/O
I/O
I/O
— Power supply terminal (+5V)
A0 O
Address signal output terminal Not used
A1 O
A2 O
A3 O
A4 O
Address signal output to the flash memory (IC804) and S-RAM (IC805)
x ao
y
A5 O
i
A6 O
A7 O
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