12
12DN-S5000
Function
I/O
Pin
No.
Pin Name
Symbol
DET Ext Ini Res
88 P94 MCNT0 O — Pu L L Motor control signal 0
89 P95 MCNT1 O — Pu
Pu L
L L Motor control signal 1
Motor rotation speed control signal A/D 0
90 P96,DAC2 MCNTDA O — L
91 P97,DAC3 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 ML O — — H — PCM1608 (D/A) chip select
101 P55, WR_ RESERVE O — — H —
102 CS3_ CS3_ O — — — — Not used
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,TM7IO I —
——
—
114 A09 A09
DISCPB_
O — — — — Ext. memory address bus 9
115 A10 A10 O — — — — 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
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