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DESCRIPTION OF MAIN MICROPROCESSOR - 1
Q7001, M30624FGAFP
No.
Symbol
1
OSDDA
2
OSDCL
3
~OSDCS
4,5
-
6
~IRIN
7
~IRMAIN
8
BYTE
9
CNVSS
10,11
-
12
~RESET
13
XOUT
14
VSS
15
XIN
16
VCC
17
~NMI
18
-
19
RDSCLK
20
~POFF
TE
L 13942296513
21~24 -
25
STBLED
26
-
27
~FLPOWER
28
~FLTEST
29
RTCSCL
30
RTCSDA
31~34 -
35
NETTX
36
NETRX
37
-
38
~ETPOWER
39
~DITPD
40
~DITCS
41
(~EPM)
42
-
43
XPOR
44
~DARST
45
DACS
46
(~CE)
www
47
DIGCL
48
DAMUT
49
DIGDO
.
50~54 -
55
VOLDA
56
VOLCL
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I/O
Act.
Description (Function)
O
H
Data of OSD communication
O
CLK
Clock of OSD communication
O
L
To select OSD communication
O
-
I
L
Inflared signal from rear panel (IR IN)
I
L
Inflared signal from front panel
I
H
VSS
I
H
Change of prosessor mode
O
-
I
L
Reset
O
Crystal oscillator, connect to 16MHz oscillator
GND
I
Crystal oscillator, connect to 16MHz oscillator
Power supply, 5V
I
L
-
O
-
I
CLK
RDS clock
I
L
Detect power failure
O
-
O
H
STANDBY LED
O
-
O
L
Control of FL power supply
O
L
FL tube test
O
CLK
Clock of RTC IC
I/O
H
Data of RTC IC
O
-
O
L
Communication of network microprocessor
I
L
Communication of network microprocessor
O
-
O
L
Control of power supply for ETHER IC
O
L
DIT power down
O
L
To select DIT
I
L
Connect to VSS
O
-
O
L
EP7312 reset
O
L
DAC reset
O
L
To select DAC
I
L
Connect to Vcc
O
CLK
Common clock of DIT/DAC
O
L
Muting of DAC
x
ao
u163
y
O
H
Common data of DIT/DAC
i
O
-
O
H
Serial data of TC9412 volume IC
O
CLK
Serial clock of TC9412 volume IC
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2 9
8
Q Q
3
6 7
1 3
1 5
co
.
9 4
2 8
0 5
8
2 9
9 4
2 8
m
NAC-2.3
9 9
9 9
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