Sanyo NV-E7000 Service Manual page 18

EXPLANATION OF MICROCOMPUTER
IC861 (LC24072B)1/2
Signal
Pin
1 LVcc
2 HD8
3 HD7
4 HD9
5 HD6
6 HD10
7 HD5
8 HD11
9 HD4
10 HD12
11 HD3
12 HD13
13 GND
14 HD2
15 HD14
16 HD1
17 HD15
18 HD0
19 LVcc
20 HDREQ
21 /HRD
22 /HWR
23 /HIORDY
24 /HDACK
25 HA1
26 HA0
27 HA2
28 /HCS1
29 /HCS3
30 GND
31 LVcc
32 FM-ASIC
33 ASIC-FM
34 BEACON-ASIC
35 ASIC-BEACON
36 GYRO-ASIC
37 ASIC-GYRO
38
39
40 IRQ_FM
41 IRQ_BEACON
42 IRQ_GYRO
43
44 VCK
45 SC
46 PLLCK
47 GND
48 /CS_CARD
49 /LOAD
50 SI
51 LRCK
52 SCK
53 /WAIT_Q2
54 /CS_Q2UGM
I/O
PWR +3.3V
I/O ATAPI data bus
PWR 0V
ATAPI data bus
I/O
PWR +3.3V
I ATAPI DMA transmit request
O ATAPI Read strobe
ATAPI Write strobe
O
I ATAPI Wait
O ATAPI DMA transmit strobe
O ATAPI Address bus
O
ATAPI Address bus
O ATAPI Address bus
O ATAPI Control Register chip select
ATAPI Command Register chip select
O
PWR 0V
PWR +3.3V
I
NC
O
NC
I NC
O NC
NC
I
O
NC
I Pull-up
-
- - NC
NC
O
NC
O
O NC
- NC
-
I Clock input(7.15909MHz)
O 3.579545MHz output
O 15.7342kHz output
PWR 0V
O PC card chip select
I BOOT Soft load
O Serial data output(Voice Gaideance)
O L/R clock(Voice Gaideance)
O Clock output(Voice Gaideance)
I Q2i Wait input
O Q2i UGM chip select
Function
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