Denon S-301 Service Manual page 74

SM8701BM (IC113: 1U-3692)
MLEN/R2 1
P/S 2
V 3
DD
GND 4
XTO 5
XTI 6
GNDP 7
V P 8
DD
V 3 9
DD
MO 10
SN74LV273APW (IC106, 107: 1U-3692)
SN74AHCT273PW (IC105: 1U-3692)
CLR 1 20 V
CC
1Q 2 19 8Q
1D 8D
3 18
2D 4 17 7D
2Q 7Q
5 16
3Q 6 15 6Q
3D 7 14 6D
4D 5D
8 13
4Q 9 12 5Q
GND 10 11 CLK
SN74LV573APW (IC903, 904: 1U-3694)
OE 1 20
2 19
D0
3 18
D1
D2 4 17
16
D3 5
D4 6 15
D5 7 14
8 13
D6
D7 9 12
GND
10 11
SM8701BM Terminal Function
Pin No.
20 MCK/R1 1
19 MDT/R0
2
RSTN
18
3
17 SO3
4
16 V O
DD
5
15 GNDO
6
SO2
14
7
13
SO4
8
9
12
SO1
10
11 MON
11
12
13
14
15
16
17
18
19
20
Note: 1. Schmitt trigger input with pull-down resistor
logic diagram (positive logic)
1D
3
11
CLK
1D
C1
R
1
CLR
1Q
Vcc
Q0
2
Q1
Q2
Q3
Q4
11
Q5
E
Q6
1
Q7 OE
LE
Pin Name I/O
Control signal input.
MLEN/R2 Ip 1 In serial mode: latch enable signal
In parallel mode: sampling rate select signal
Mode select signal.
P/S Ip 1
LOW: serial mode, HIGH: parallel mode
 5V supply (Digital block)
V
DD
 Ground (Digital block)
GND
XTO O Reference signal crystal oscillator element connection
Reference signal crystal oscillator element connection
XTI I
or external clock input
 Ground (PLL block)
GNDP
 5V supply (PLL block)
V P
DD
 3.3V supply (output buffer)
V 3
DD
MO O 27 MHz fixed-frequency output
MON O 27 MHz fixed-frequency output (inverted)
SO1 O 33.8688 MHz fixed-frequency output
SO4 O 768fs output
SO2 O 256fs output
 Ground (output buffer)
GNDO
 3.3V supply (output buffer)
V O
DD
SO3 O 384fs output
2
RSTN Ip LOW-level reset input
Control signal input.
1
MDT/R0 Ip In serial mode: control data input signal
In parallel mode: sampling frequency select signal
Control signal input.
MCK/R1 Ip 1 In serial mode: clock signal
In parallel mode: sampling frequency select signal
2. Schmitt trigger input with pull-up resistor
2D 3D 4D
4 7 8
1D 1D 1D
C1 C1 C1
R R R
2 5 6
2Q 3Q
D0 D1 D2 D3
3 4 6 5
D D D D
L
Q Q Q Q
L L L L
19 18 17 16
Q0 Q1 Q2 Q3
74
Function
5D 6D 7D
13 14 17
1D 1D 1D
C1 C1
R R R
9 12 15
4Q 5Q 6Q
D4 D5 D6 D7
7 8 9
D D D
D
Q Q Q Q
L L L
L
15 14 13 12
Q4 Q5 Q6 Q7
S-301
8D
18
1D
C1 C1
R
16 19
7Q 8Q