LC89057W-VF4A-E SANYO [Sanyo Semicon Device], LC89057W-VF4A-E Datasheet - Page 58

• Manufacturer Part Number: LC89057W-VF4A-E
• Description: Digital Audio Interface Transceiver
• Manufacturer: SANYO [Sanyo Semicon Device]

13. Application Example
13.1 Basic Connection Diagram
•
•
Connect a de-coupling capacitance (0.1μF) as close as possible to the power supply pin. Use a ceramic capacitor with
Use a capacitor with a low temperature coefficient for the PLL loop filter.
high-frequency characteristics for this capacitance.
Element Symbol
Rp
C1
Rd
C0
C1
R0
Cc
Rf
Ci
Ri
Modulation/general-purpose
Microcontroller
Demodulation function
I/O function selection
Chip address setting
Chip address setting
master/slave setting
DSP
Coaxial Input
A/D
Recommended Parameter
Table 13.1 Recommended Circuit Parameters (∗∗: See Section 10.1.1)
Ri
TLRCK/PIO2
TDATA/PIO3
Ci
TMCK/PIO0
TXO/PIOEN
TBCK/PIO1
1pF to 33pF
Cc
* For how to use the RX1, see section 10.2.
XMODE
0.1μF
0.1μF
220Ω
10kΩ
1MΩ
75Ω
DGND
DV DD
∗∗
∗∗
∗∗
DO
CE
CL
DI
Rp
Rp
Rp
Rp
Optical Input
37
38
39
40
41
42
43
44
45
46
47
48
36
1
LC89057W-VF4A-E
Microcontroller
35
2
34
3
Oscillation amplifier current limit
LC89057W-VF4A
Oscillation amplifier feedback
33
4
Power supply de-coupling
Coaxial input termination
Quarts resonator load
Coaxial input DC cut
32
5
Function setting
PLL loop filter
PLL loop filter
PLL loop filter
Application
31
6
Cc
Cc
30
7
29
8
Cl
28
9
24.576MHz / 12.288MHz
Rf
Rd
Cl
27
10
11
26
Cc
Cc
12
25
Ceramic capacitor with NP0 characteristics
24
23
22
21
20
19
18
17
16
15
14
13
ADIN
SLRCK
SBCK
RDATA
RLRCK
DV DD
DGND
RBCK
RMCK
AGND
AV DD
LPF
Pull-down/pull-up resistor
Ceramic capacitor
Ceramic capacitor
R0
C0
Cc
Cc
Remarks
C1
DSP
A/D
D/A
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