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PANEL BOARD IC801 TMP87CH48DF-4825 (CSV CONTROL, LED DRIVE, KEY CONTROL)
Pin No.
Pin Name
I/O
Function
1
VSS
—
Ground terminal
2
X-OUT
O
System clock output terminal (8 MHz)
3
X-IN
I
System clock input terminal (8 MHz)
4
RESET
I
System reset signal input from the reset signal generator (IC951) “L”: reset
For several hundreds msec. after the power supply rises, “L” is input, then it changes to “H”
5
MUTE
O
DJ muting on/off control signal output terminal “L”: muting on
6
MODE 0
I
Setting terminal for the CPU operational mode (fixed at “L” in this set)
7
TEST
I
Connected to ground
8
MODE 1
I
Setting terminal for the CPU operational mode (fixed at “L” in this set)
9
YB CLK
O
Not used (pull down)
10
NAR/YB RDY
I
Not used (fixed at “H”)
11
BSY
I
Busy signal input from the MSM6653A (IC851) “L”: busy status
12
RST
O
Reset signal output to the MSM6653A (IC851) “L”: reset
13
CH
O
Channel selection signal output to the MSM6653A (IC851) “L” active
14
DATA
O
Serial data output to the MSM6653A (IC851)
15
CLK
O
Serial data transfer clock signal output to the MSM6653A (IC851)
16
LAT
O
Serial data latch pulse output to the MSM6653A (IC851)
17
YB D0
I
Not used (fixed at “L”)
18
12C CLK
I/O
Communication data reading clock signal input or transfer clock signal output with the system
controller (IC501), CD mechanism controller (IC502) and fluorescent indicator tube driver
(IC601)
19
12C DATA
I/O
Communication data bus with the system controller (IC501), CD mechanism controller (IC502)
and fluorescent indicator tube driver (IC601)
20
YB D3
I
Not used (fixed at “L”)
21
UART RX
I
Not used (fixed at “L”)
22
UART TX
O
Not used (pull down)
23 to 26
NC
O
Not used (open)
27
JOG A
I
Jog dial pulse input from the S601 (
=
↔
+
DJ MIX)
28
JOG B
I
Jog dial pulse input from the S601 (
=
↔
+
DJ MIX)
29
SIRCS
I
Remote control signal input from the remote control receiver (IC602)
30
VASS
—
Ground terminal (for A/D conversion)
31
VAREF
I
Reference voltage (+5V) input terminal (for A/D conversion)
32
DVDD
—
Power supply terminal (+5V)
33
BPF/LOW
I
Spectrum analyzer drive signal input from the spectrum analyzer band-pass filter (IC603)
(for low frequency)
34
BPF/LOW-MID
I
Spectrum analyzer drive signal input terminal (for low and middle frequency)
Not used (fixed at “L”)
35
BPF/HIGH-MID
I
Spectrum analyzer drive signal input terminal (for middle and high frequency)
Not used (fixed at “L”)
36
BPF/HIGH
I
Spectrum analyzer drive signal input from the spectrum analyzer band-pass filter (IC603)
(for high frequency)
37
L+R
I
Spectrum analyzer drive signal input from the spectrum analyzer band-pass filter (IC603)
(for VACS, non-stop signal)
38
KEY0
I
Key input terminal (A/D input) (S805 to 808)
A PAD, BEAT ON/OFF, BEAT SELECT, BEAT SPEED keys input
39
KEY1
I
Key input terminal (A/D input) (S801 to 804)
B PAD, BEAT LEVEL, BEAT JAM, AUTO BPM keys input
40
KEY2
I
Key input terminal (A/D input) Not used (fixed at “H”)