Tc94A32Fg Terminal Function - Denon AVR-3803 Service Manual

QQ
3 7 63 1515 0
Pin
Pin Name
No.
28 XOUT
29 XIN
30 DVDD
31 DGND
32 EMPHA/UO
33 AUDIO/VO
34 CKST
35 INT
36 RERR
37 DO
38 DI
39 CE
40 CL
41 XMODE
42 DGND
43 DVDD
44 TMCK/PIO0
45 TBCK/PIO1
46 TLRCK/PIO2
47 TDATA/PIO3
48 TXO/PIOEN
* For latch-up countermeasure, perform each power supply ON/OFF in the same timing.
TC94A32FG (AD: IC371, 373, 376, 378)
TE
L 13942296513
NC
1
VSS 2
Tr im VR
0~+24dB/
1dB step
TVR-REF 3
TVR-IN 4
TVR-OUT 5
MVR-OUT 6
Main VR
0~-95dB/
0.5dB step
MVR-A-GND 7
NC 8
MVR-IN 9
NC 10
CS1 11
GND 12
CK 13
14
NC
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I/O
O X'tal osc. connecting output terminal
I X'tal osc. connection, external clock input terminal (24.576MHz or 12.288MHz)
— Digital power
— Digital GND
I/O Emphasis information/U-data output/Chip address setting terminal
I/O Non-PCM detect/V-flag output/ Chip address setting terminal
I/O Clock switch transition period output/Demodulation master or slave function switching terminal
Interrupt output for µcom (Interrupt factor selectable)/Modulation or general I/O switching terminal
I/O
O PLL lock error, data error flag output
µcom I/F, read out data output terminal (3-state)
O
µcom I/F, write data input terminal
I
µcom I/F, chip enable input terminal
I
µcom I/F, clock input terminal
I
I System reset input terminal
— Digital GND
— Digital power
I/O 256fs system clock input for modulation/General I/O in/output terminal
I/O 64fs bit clock input for modulation/General I/O in/output terminal
I/O fs clock input for modulation/General I/O in/output terminal
I/O Serial audio data input for modulation/General I/O in/output terminal
O/I Modulation data output/ General I/O enable input terminal
NC
28
27 VDD
Tr im VR
0~+24dB/
1dB step
26 TVR-REF
25 TVR-IN
24 TVR-OUT
23 MVR-OUT
Main VR
0~-95dB/
0.5dB step
22 MVR-A-GND
21 NC
20 MVR-IN
19 NC
18 CS2
17 STB
16 DATA
15
NC
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2 9
8
Function

TC94A32FG Terminal Function

Pin
Q Q
Pin Name
3 6 7 1 3 1 5
No.
2 VSS
27 VDD
12 GND
3 L-TVR-REF Trim volume circuit
26 R-TVR-REF
4 L-TVR-IN
25 R-TVR-IN
5 L-TVR-OUT
24 R-TVR-OUT
6 L-MVR-OUT Main volume circuit
23 R-MVR-OUT
7 L-MVR-AGND
22 R-MVR-AGND
9 L-MVR-IN
20 R-MVR-IN
Chip select code switching input
11 CS1
18 CS2
13 CK Clock input pin for data transfer
16 DATA A-SW control data input pin
co
17 STB Strobe input pin for data writing
1, 28,
.
8, 21, NC
10,19,
14,15
AVR-3803/1083/AVC-3570
9 4 2 8
Function
0 5 8 2 9 9 4 2 8
L/R-TVR-REF
20kohm
L/R-TVR-IN
L/R-TVR-OUT
L/R-MVR-OUT
50kohm
L/R-MVR-AGND
20kohm
L/R-MVR-IN
CS1 CS2 Chip select code
L L 0 0 0 1
H L 1 0 0 1
L H 0 1 0 1
H H 1 1 0 1
m
9 9
9 9
30