Denon S-301 Service Manual page 74

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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
TE
L 13942296513
SN74LV273APW (IC106, 107: 1U-3692)
SN74AHCT273PW (IC105: 1U-3692)
CLR
1 20
1Q 2 19
1D 3 18
2D
4 17
2Q 5 16
3Q 6 15
3D
7 14
4D 8 13
4Q 9 12
GND
10 11
SN74LV573APW (IC903, 904: 1U-3694)
OE 1
D0 2
D1 3
4
D2
D3 5
D4 6
D5 7
D6 8
9
D7
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GND
10
.
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SM8701BM Terminal Function
Pin No.
20 MCK/R1
19 MDT/R0
RSTN
18
17 SO3
16 V O
DD
GNDO
15
14 SO2
13 SO4
12
SO1
11 MON
Note: 1. Schmitt trigger input with pull-down resistor
logic diagram (positive logic)
V
CC
1D
8Q
3
8D
11
CLK
7D
7Q
1D
6Q
6D R
5D
1
CLR
5Q
CLK
Vcc
20
Q0
19
Q1
18
17 Q2
Q3
16
15 Q4
11
14 Q5
E
13 Q6
1
12
Q7 OE
11 LE
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y
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8
Pin Name I/O
Control signal input.
1 MLEN/R2 Ip 1 In serial mode: latch enable signal
In parallel mode: sampling rate select signal
Mode select signal.
2 P/S Ip 1
LOW: serial mode, HIGH: parallel mode
 5V supply (Digital block)
3 V
DD
 Ground (Digital block)
4 GND
5 XTO O Reference signal crystal oscillator element connection
Reference signal crystal oscillator element connection
6 XTI I
or external clock input
 Ground (PLL block)
7 GNDP
 5V supply (PLL block)
8 V P
DD
 3.3V supply (output buffer)
9 V 3
DD
10 MO O 27 MHz fixed-frequency output
11 MON O 27 MHz fixed-frequency output (inverted)
12 SO1 O 33.8688 MHz fixed-frequency output
13 SO4 O 768fs output
14 SO2 O 256fs output
 Ground (output buffer)
15 GNDO
 3.3V supply (output buffer)
16 V O
DD
17 SO3 O 384fs output
2
18 RSTN Ip LOW-level reset input
Control signal input.
1
19 MDT/R0 Ip In serial mode: control data input signal
In parallel mode: sampling frequency select signal
Control signal input.
20 MCK/R1 Ip 1 In serial mode: clock signal
In parallel mode: sampling frequency select signal
2. Schmitt trigger input with pull-up resistor
Q Q
3 6 7 1 3
2D 3D 4D
4 7 8
1D 1D 1D
C1 C1 C1
R R R
2 5 6
1Q 2Q 3Q
D0 D1 D2 D3
2 3 4 6
D D D D
L
Q Q Q
L L L L
19 18 17
Q0 Q1 Q2
u163
.
74
2 9 9 4 2 8
Function
1 5 0 5 8 2 9 9 4
5D 6D 7D
13 14 17
1D 1D
C1 C1 C1
R R
9 12 15
4Q 5Q 6Q
D4 D5 D6 D7
5 7 8 9
D D D D
Q Q Q Q Q
L L L L
m
16 15 14 13 12
Q3 Q4 Q5 Q6
co
S-301
9 9
2 8 9 9
8D
18
1D 1D
C1 C1
R R
16 19
7Q 8Q
Q7