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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.
65
LED ON
O
MULTI JOG LED output.
66
LED ON
O
MULTI JOG LED output.
67~69,72
NC
–
Not connected.
70
O-L FREQ ON
O
Spectrum analyzer low frequency output.
71
O-H FREQ ON
O
Spectrum analyzer high frequency output.
73
VSS2
–
GND.
74
SPEANA C
O
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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