User Guide

13
DN-D9000
Function
I/O
Pin
No.
Pin Name
Symbol
DET Ext Ini Res
88 P94 RCRST_ O Pd L L RCD90 reset signal (L: Reset)
89 P95 APOWER O Pd L L Analog output voltage ON/OFF (L: OFF)
90 P96 RESERVE O H
91 P97 RESERVE O H
92 BREQ_ BREQ_ I Pu H H Bus request signal
93 BRACK_ BRACK_ O Pu H H Bus request accept signal
94 WEL_ WE_ O Pu H Ext. memory write enable (Lower 8bit)
95 P51 RESERVE O H
96 RE_ RE_ O Pu H Ext. memory read enable
97 CS2_ CS2_ O Pu H Ext. memory chip select 2 (DSP1 interface)
98 VDD VDD Power (+3.3V)
99 VSS VSS GND
100 P54, BSTRE SAMPC1 O Pu H H Not used
101 P55, WR_ SAMPC2 O Pu H H Not used
102 CS3_ CS3_ O Pu H Ext. memory chip select 3 (DSP2 interface)
103 A00 A00 O Ext. memory address bus 0
104 A01 A01 O Ext. memory address bus 1
105 A02 A02 O Ext. memory address bus 2
106 A03 A03 O Ext. memory address bus 3
107 A04 A04 O Ext. memory address bus 4
108 A05 A05 O Ext. memory address bus 5
109 A06 A06 O Ext. memory address bus 6
110 A07 A07 O Ext. memory address bus 7
111 A08 A08 O Ext. memory address bus 8
112 PD6 RESERVE O L
113 PD7 RESERVE O L
114 A09 A09 I Ext. memory address bus 9
115 A10 A10 I Ext. memory address bus 10
116 A11 A11 O Ext. memory address bus 11
117 A12 A12 O Ext. memory address bus 12
118 A13 A13 O Ext. memory address bus 13
119 VDD VDD Power (+3.3V)
120 PC4 RESERVE O L
121 A14 A14 O Ext. memory address bus 14
122 A15 A15 O Ext. memory address bus 15
123 A16 A16 O Ext. memory address bus 16
124 A17 A17 O Pu Ext. memory address bus 17
125 A18 A18 O Pu Ext. memory address bus 18
126 A19 A19 O Pu Ext. memory address bus 19
127 A20 A20 O Pu Ext. memory address bus 20
128 A21 A21 O Pu Ext. memory address bus 21