Ic Description - Aiwa XD-DV300 Service Manual

IC DESCRIPTION

IC, HD6412350F20
Pin No. Pin Name
________________
1 CS1ROM
________________
2 CS0ROM
3, 4 VSS
5 VCC
6-9 A0-3
10 VSS
11-18 A4-11
19 VSS
20-27 A12-19
28 VSS
29 A20
30 CODEC_ERR
____________________
31 INT_VDEC
_______________
32 HD_INT
33, 34 P67, 66
35, 36 VSS
____________________
37 INT_ADEC
38 UC18
39 VCC
40-43 D0-3
44 VSS
45-52 D4-11
53 VSS
54-57 D12-15
58 VCC
59 TXD0
60 TXD1
61 RXD0
62 RXD1
63 SCK0
64 SCK1
65 VSS
__________________
66 CS VDEC
67, 68 VSS
________
69 CS5
70 DREQ1
71 BASS CONT
72 CS_FR
________________
73 SYSRST
74 REMOCON
75 USCL
I/O
— Not used.
O Chip select output terminal for ROM.
I GND.
I Power input terminal. EVER 5 V.
O Address bus output terminal.
I GND.
O Address bus output terminal.
I GND.
O Address bus output terminal.
I GND.
O
Not used.
—
I Interrupt signal for AV DECODER IC.
I Interrupt signal from LOADER.
— Not used.
I GND.
—
Not used.
—
I Power input terminal. EVER 5 V.
I/O Data bus input/output terminal.
I GND.
I/O Data bus input/output terminal.
I GND.
I/O Data bus input/output terminal.
I Power input terminal. EVER 5 V.
O Data output terminal for FL DRIVER IC serial communication control.
O Data output terminal for LOADER serial communication control.
I Data input terminal for FL DRIVER IC serial communication control.
I Data input terminal for LOADER serial communication control.
O Clock output terminal for FL DRIVER IC serial communication control.
O Clock output terminal for LOADER serial communication control.
I GND.
O Chip select output terminal for AV DECODER IC.
I GND.
O Chip select output terminal for SRAM.
—
Not used.
—
O FL DRIVER IC chip select output terminal.
O System reset signal output terminal.
I Remote control signal input terminal.
2
O I C clock output terminal for EERROM, video encoder IC.
43
Description