Denon DN-S3500 Service Manual download pdf (Page 13)

DN-S3500

85 P93 DSPRES_ O - Pd L L DSP RESET signal L: RESET

86 Vref+ Vref+ - - - - - Analog standard voltage +3.3V for AD conversion

87 AVDD AVDD - - - - - Power (+3.3V)

88 P94,DAC0 MSPD1 O - - - - MOTOR turn speed output D/A1

89 P95,DAC1 MSPD2 O - - - - MOTOR turn speed output D/A2(RESERVE)

90 P96,DAC2 MBRK O - - - - MOTOR BRAKE ON: H

91 P97,DAC3 LOAD O - - - - Disc loading, eject signal (D/A)

92 PC6,BREQ_ BREQ_ I - Pu - H Bus request signal

93 PC7,BRACK_ BRACK_ O - Pu H H Bus request accept signal

94 WEL_ WE_ O - Pu - H External memory write enable (lower 8bit)

95 P51 BOOT_ O - Pu H H DSP boot start signal L: START

96 RE_ RE_ O - Pu - H External memory read enable

97 CS2_ CS2_ O - Pu - H External memory chip select 2 (DSP Latch buffer interface)

98 VDD VDD - - - - - Power (+3.3V)

99 VSS VSS - - - - - GND

100 P54,BSTRE DACK_ I - Pu H H Not used

101 P55,WR_ DREQ_ O - Pu H H Not used

102 CS3_ CS3_ O - Pu - H Extended port chip select

103 A00 A00 O - - - - External memory address bus 0 (not used when 16bit bus select)

104 A01 A01 O - - - - External memory address bus 1

105 A02 A02 O - - - - External memory address bus 2

106 A03 A03 O - - - - External memory address bus 3

107 A04 A04 O - - - - External memory address bus 4

108 A05 A05 O - - - - External memory address bus 5

109 A06 A06 O - - - - External memory address bus 6

110 A07 A07 O - - - - External memory address bus 7

111 A08 A08 O - - - - External memory address bus 8

112 PD6 DSPF1 O - - L - FLAG1 for DSP

113 PD7,TM7IO DISCPB_ I - iPu - - Pulse B inverse count input for scratch DISC

114 A09 A09 O - - - - External memory address bus 9

115 A10 A10 O - - - - External memory address bus 10

116 A11 A11 O - - - - External memory address bus 11

117 A12 A12 O - - - - External memory address bus 12

118 A13 A13 O - - - - External memory address bus 13

119 VDD VDD - - - - - Power (+3.3V)

120 PC4 DSPF2 O - - L - FLAG2 for DSP

121 A14 A14 O - - - - External memory address bus 14

122 A15 A15 O - - - - External memory address bus 15

123 A16 A16 O - - - - External memory address bus 16

124 A17 A17 O - - - - External memory address bus 17

125 A18 A18 O - - - - External memory address bus 18

126 A19 A19 O - Pd - - External memory address bus 19

127 A20 A20 O - - - - External memory address bus 20

128 A21 A21 O - - - - External memory address bus 21

No.

Pin Name Symbol I/O DET Ext Ini Res Function

1 2 ... 8 9 10 11 12 13 14 15 16 17 18 ... 59 60

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Denon DN-S3500 Service Manual Page 13

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