Denon S-81 - Track Selection and Repeat;Random Play

27
S-81/S-81DAB
60 P20/A0/A16 34STANBY O L Standby control output to TC94A34FG(MP3/WMA DECORDER)
61 P21/A1/A17 34SRMSTB O L SRAM Standby control output to TC94A34FG(MP3/WMA DECORDER)
62 DVSS DVSS - - GND
63 NMI
NMI I - Not used (Pull down)
64 DVCC DVCC - - +3.3V
65 P22/A2/A18 - O L Not used
66 P23/A3/A19 DOUTSEL O L DOUT SELECT output to TC7WH157 ( L:CD-DA / H:MP3/WMA )
67 P24/A4/A20 - O L Not used
68 P25/A5/A21 14RESET O L Reset output to TC94A14FA(Servo DSP)
69 P26/A6/A22 14CCE O H Chip Enable output to TC94A14FA(Servo DSP)
70 P27/A7/A23 14BUCK O L Serial Clock output to TC94A14FA(Servo DSP)
71 P30/RD
- O L Not used
72 P31/WR
- O L Not used
73 P32/HWR
14BUS3 I/O L DATA BUS to TC94A14FA(Servo DSP)
74 P33/WAIT
14BUS2 I/O L DATA BUS to TC94A14FA(Servo DSP)
75 P34/BUSRQ
14BUS1 I/O L DATA BUS to TC94A14FA(Servo DSP)
76 P35/BUSAK
14BUS0 I/O L DATA BUS to TC94A14FA(Servo DSP)
77 P36/R/W
GVSW O L Gain SW SELECT output to TA2157FNG(RF_AMP)
78 P37/BOOT
BOOT I - Use for the WRITING (L:BOOT)
79 P40/CS0
DRVMUTE O H Drive Mute output to TA2125AF(Driver) ( H:Mute / L:Normal )
80 P41/CS1
INSW I - Inner-Switch input from CD MECHA
81 P42/CS2
- O L Not used
82 P43/CS3
- O L Not used
83 P60/SCK - O L Not used
84 P61/SO/SDA 34MIDIO I/O L Data I/O to TC94A34FG(MP3/WMA DECORDER)
85 P62/SI/SCL 34MICK O L Clock output to TC94A34FG(MP3/WMA DECORDER)
86 P63/INT0 - O L Not used
87 P64/SCOUT - O L Not used
88 P65 - O L Not used
89 DVCC DVCC - - +3.3V
90 P66 - O L Not used
91 DVSS DVSS - - GND
92 P50/AN0 - I - Not used (Pull down)
93 P51/AN1 - I - Not used (Pull down)
94 P52/AN2 - I - Not used (Pull down)
95 P53/AN3/ADTRG
- I - Not used (Pull down)
96 P54/AN4 - I - Not used (Pull down)
97 P55/AN5 - I - Not used (Pull down)
98 P56/AN6 - I - Not used (Pull down)
99 P57/AN7 LD_CHK I - Current check of LD
100 VREFH VREFH - - +3.3V (AD converter VREFH)
Pin
No.
Pin Name Symbol I/O Initial Function