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IC DESCRIPTION (GE-NH2000)
IC, LC866448W
1
O-C.SHIFT
O
Micro computer clock shift output.
2
PRO LOGIC
O
PRO LOGIC LED output.
3
3-STEREO
O
3 STEREO LED output.
4
PHANTOM
O
PHANTOM LED output.
5
NORMAL
O
NORMAL LED output.
6
NC
–
Not connected.
7 RESET
I
Reset input.
8 NC
–
Connected to GND.
9
NC
–
Connected to GND.
10
VSS1
–
GND.
11
CF1
–
12
CF2
–
13
VDD1
–
Power supply.
System power supply monitor AD input.’H’:Normal operation.’L’:to stop
clock and main memory.
15
I-KEY1
I
KEY 1 AD input.
16
NC
–
Connected to GND.
17
I-SPEANA
I
Spectrum analyzer level AD input.
18
NC
–
Connected to GND.
19
I-JOG
I
Jog rotary encoder input.
20~23
NC
–
Connected to GND.
24
PRO LOGIC
I
Input prologic switch “H” when prologic ,”L” when not prologic.
25~33
G1~G9
O
FL gird output.
34~40
S1~S7
O
FL Segment output.
41
VDD2
–
Connected to GND.
42
VP
–
Power FL display negative supply terminal.
43~63
S8~S28
O
FL Segment S8~S28 output.
64
NC
–
Not used.
MULTI JOG LED output.
MULTI JOG LED output.
Not connected.
Spectrum analyzer low frequency output.
Spectrum analyzer high frequency output.
GND.
Spectrum analyzer band switch output C.
75
SPEANA B
O
Spectrum analyzer band switch output B.
76
SPEANA A
O
Spectrum analyzer band switch output A.
77
SEL
O
Spectrum analyzer band switch output select .
78~79
NC
–
Not connected.
80
I/O-SERIAL
I/O
Input/output serial data for communication.
Pin No. Pin Name I/O Description
Connected to crystal oscillator (5.76MHz).
14 I-HOLD I
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