Casio CTK-650 Manual De Usuario
— 10 —
IC LEAD IDENTIFICATION AND INTERNAL CIRCUIT
UPD6376CX (D/A converter)
TIMING
GENERATOR
SHIFT REGISTER
LATCH
MAIN DAC
SUB DAC
SUB DAC
MAIN DAC
LRCK
LRSEL/RSI
SI/LSI
CLK
4/8 fs SEL
D.GND
N.C.
D.VDD
A.GND
A.VDD
R.OUT
R.REF
L.REF
L.OUT
11
10
9
6
8
7
12
5
4
3
13
14
15
16
1
2
TC74HC174AP (HEX D-TYPE FLIP FLOP WITH CLEAR )
CLEAR
CLOCK
Q0
Q1
Q2
Q3
Q4
Q5
D0
D1
D2
D3
D4
D5
VDD
GND
5
7
10
12
15
14
13
11
4
3
R
D
CK Q
R
D
CK Q
R
D
CK Q
R
D
CK Q
R
D
CK Q
R
D
CK Q
1
9
16
8
2
6
TC74HC08AP (QUAD 2-INPUT AND GATE) TC74HC00AP (QUAD 2-INPUT NAND GATE)
1A 1
1B 2
1Y 3
2A 4
2B 5
2Y 6
GND 7
8 3Y
9 3A
10 3B
11 4Y
12 4A
13 4B
14 VCC
1A 1
1B 2
1Y 3
2A 4
2B 5
2Y 6
GND 7
8 3Y
9 3A
10 3B
11 4Y
12 4A
13 4B
14 VCC