Explanation Of Microcomputer - Sanyo NV-E7500 - Navigation System With DVD Player Service Manual

EXPLANATION OF MICROCOMPUTER

IC 1151 (HD64F3039TEBL18)
Pin
1
2
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4
5
6
7
8
9
10
11
12
13
20
21
22
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
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51
52
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58
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60
61
64
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66
67
68
69
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71
72
73
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75
76
77
78
79
80
Signal I/O
/RST0 O ATAPI controller/decoder reset
/RST1 O Servo/data processor reset
SPDRVPS O Spindle motor driver power save
G O H : Operation mode, L : Standby
MUTEL O H : MUTE ON / L : MUTE OFF Lch
MUTER O H : MUTE ON / L : MUTE OFF Rch
MD2 I Normally 5V,boot flash writing 0V
LSPEED O PLL output
FLCNT O Flash memory output
AUDIO O AUDIO Disc play : H
/G O H : Standby, L : Operation mode
VSS - GND
D0
I/0 CPU data bus
D7
VCC - +5V
HA0
O CPU address bus
HA6
HA7 - NC
VSS - GND
NC - NC
NC - NC
LOEJKEY - NC
INSIDE I Inside switch input
NC - NC
CLOSESW I Cover OPEN / CLOSE SW input
CSEL I IDE cable select input
NAVI I NAVI ,DVD change terminal(Low at NAVI)
NC - NC
SRVDPCS O Chip select output
ATACS O Chip select output
NC - NC
PSC O RF AMP prescaler
MD0 - +5V
MD1 - GND
PHI O System clock output
STBY I CPU hard ware standby terminal +5V
RES I CPU hard reset +5V
NMI - 0V
VSS - GND
EXTAL I Crystal connection terminal
XTAL I Crystal connection terminal
VCC - +5V
NC - NC
/RD O READ
/WR O WRITE
/FEW I Flash memory output
GND
AVSS -
FE I Focus error signal input
LVL I SUM signal input
TEST0
I KEY input terminal for TEST
TEST4
TEST CNT I Test mode input
NC - NC
AVCC - +5V
/ATAINT I ATAPI controller/decoder interrupt input
/SDINT I Servo/decoder processor interrupt input
TXD O Serial data trans terminal for debug
RXD I Serial data receive terminal for debug
NC - NC
ENCODER I ENCODER pulse input
/PWR DWN1 O Analog +5V power down control output
/PWR DWN2 O Digital +5V power down control output
STBY O PWN driver MUTE output STBY : L
DIR O H : DSP output, L : DSP input
DVDR O DVD-R disc : L OTHER disc : H
RFMVON O Laser RF output DVD : H
NC - NC
Function
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