Aiwa MM-VX200 Service Manual page 13

IC DESCRIPTION - 2/8 (MSM66Q573) - 2/3
Pin No. Pin Name
41 VDD
42 NC
43 NC
44 DEC CLK
45 DEC SUBCLK
__________
46 SSFDC WP
47 SSFDC DT
48 NC
___
49 RD
___
50 WR
51 D0
52 D1
53 D2
54 D3
55 D4
56 D5
57 D6
58 D7
59 GND
60 A0
61 A1
62 A2
63 A3
64 A4
65 A5
66 A6
67 A7
68 LCD RS
69 USB CS
70 F CSX
71 F ALE
72 F CLE
_____
73 F WP
_______
74 F BUSY
75 LCD CS
_____
76 F CS0
_____
77 F CS1
_____
78 F CS2
________
79 USB RST
80 VDD
81 VREF
I/O
– +2.9 V
– Not coneected
– Not connected
O MAS3507D-P10 system clock output (14.725 MHz)
O Unused
I SMC write protectiondetect input port
I SMC insert/eject detect input port
– Unused
O External device access read strobe output port
O External device access write strobe output port
I/O External device access data I/O port
I/O External device access data I/O port
I/O External device access data I/O port
I/O External device access data I/O port
I/O External device access data I/O port
I/O External device access data I/O port
I/O External device access data I/O port
I/O External device access data I/O port
– Ground
I/O Address bus A0/ADPCM data bus 0
I/O Address bus A0/ADPCM data bus 1
I/O Address bus A0/ADPCM data bus 2
I/O Address bus A0/ADPCM data bus 3
I/O Address bus A0/ADPCM data bus 4
I/O Address bus A0/ADPCM data bus 5
I/O Address bus A0/ADPCM data bus 6
I/O Address bus A0/ADPCM data bus 7
I/O H = display data, L = control data (Graphic LCD controlles KS0713)
I/O USB controller (ML60851) chip select
I/O NAND flash resd/write strobe output
I/O Address latch enable output (NAND flash & SMC)
I/O Command latch enale output (NAND flash & SMC)
I/O Write protect output port (NAND flash & SMC)
____
I Ready/Busy input port (NAND flash & SMC)
I/O Chip select output port (Graohic LCD controller KS0713)
O NAND flash 0 chip select output port
O NAND flash 1 chip select output port
O SMC chip select output port
O Reset output (Graphic LCD controller KS0713)
– Power supply input
– A/D converter reference voltage input
Description
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