Pin Descriptions - Denon S-81 Service Manual

PIN DESCRIPTIONS

Pin
Pin Name
No.
1 VREFL VREFL
2 AVSS AVSS
3 AVCC AVCC
4 P70/TA0IN
5 P71/TA1OUT
6 P72/TA3OUT
7 P73/TA4IN
8 P74/TA5OUT
9 P75/TA7OUT
10 P80/TB0IN0/INT5 34REQ
11 P81/TB0IN1/INT6 REQH
12 P82/TB0OUT0 REQS
13 P83/TB0OUT1
14 P84/TB1IN0/INT7 PWRON_CD
15 P85/TB1IN1/INT8
16 P86/TB1OUT0
17 P87/TB1OUT1
18 P90/TXD0 MDO
19 P91/RXD0 MDI
20 P92/SCLK0/CTS0 MSCLK
21 P93/TXD1 TXD
22 P94/RXD1 RXD
23 P95/SCLK1/CTS1
24 AM0 AM0
25 DVCC DVCC
26 X2 X2
27 DVSS DVSS
28 X1 X1
29 AM1 AM1
30 RESET CDRESET
31 P96/XT1
32 P97/XT2
33 EMU0 EMU0
34 EMU1 EMU1
35 PA0/INT1
36 PA1/INT2
37 PA2/INT3
38 PA3/INT4
39 PA4
40 PA5
41 PA6
42 PA7
43 ALE
44 P00/AD0 MODE0
45 P01/AD1 MODE1
46 P02/AD2
47 P03/AD3
48 P04/AD4 DAC_CS
49 P05/AD5
50 P06/AD6 DAC_RST
51 P07/AD7 DAC_MDI
52 P10/AD8/A8 DAC_MCK
53 P11/AD9/A9
54 P12/AD10/A10
55 P13/AD11/A11 EMPHASIS
56 P14/AD12/A12
57 P15/AD13/A13
58 P16/AD14/A14
59 P17/AD15/A15 34RESET
Symbol I/O Initial
- -
- -
- -
- O L
- O L
- O L
- O L
- O L
- O L
I -
I -
O L
- O L
I -
- O L
- O L
- O L
O L
I -
I -
O L
I -
- O L
I -
- -
O -
- -
I -
I -
I -
- O L
- O L
O -
O -
- O L
- O L
- O L
- O L
- O L
- O L
- O L
- O L
- O L
I -
I -
- O L
- O L
O H
- O L
O L
O L
O L
- O L
- O L
O L
- O L
- O L
- O L
O L
GND (AD converter VREFL)
GND
+3.3V
Not used
Not used
Not used
Not used
Not used
Not used
Request input from TC94A34FG(MP3/WMA DECORDER)
Request input from System ucom
Request output to System ucom
Not used
Power ON/OFF switching input from System ucom
Not used
Not used
Not used
Serial Data output to System ucom
Serial Data input from System ucom
Serial Clock input from System ucom
Use for the WRITING
Use for the WRITING
Not used
Fixed to H (+3.3V)
+3.3V
Oscillator output (27MHz)
GND
Oscillator input (27MHz)
Fixed to H (+3.3V)
Reset input from System ucom
Not used
Not used
Non connection
Non connection
Not used
Not used
Not used
Not used
Not used
Not used
Not used
Not used
Not used
MODEL SELECT
MODE0:1 L:L=S81(J/E3) / L:H=S81(E2) / H:H=DCDF102(ALL)
Not used
Not used
Mode control latch output to PCM1748E(DAC)
Not used
Reset output to DAC (RESERVE)
Mode control data output to PCM1748E(DAC)
Mode control clock output to PCM1748E(DAC)
Not used
Not used
Emphasis output to System ucom
Not used
Not used
Not used
Reset output to TC94A34FG(MP3/WMA DECORDER)
26
S-81/S-81DAB
Function