PIN
No.
Pin name
Signal name
IN/OUT
Destination
Function
94
/DACK1
N.C
NC
95
/DACK0
PARACK_
OUT
ASIC(KZ3H008302)
ACK_ signal to interface ASIC
96
/CPURST
CPURST_
OUT
CPU
CPU reset signal
97
/CRST
COLDRES_
OUT
CPU
Cold reset signal
98
VCCOK
VCCOK
OUT
CPU, ASIC(KZ3H008302)
V
CC
states effective
99
V
CC
3.3V
IN
Power source
100
GND
GND
IN
GND
101
/NMI
NMI_
OUT
CPU
Non-maskable interruption output
102
/INTR2
INTR2_
OUT
CPU
Interruption output 2
103
/INTR1
INTR1_
OUT
CPU
Interruption output 1
104
/INTR0
INTR0_
OUT
CPU
Interruption output 0
105
/EXREQ
EXREQ_
OUT
CPU
Bus open request
106
/READY
READY_
OUT
CPU
Command reception ready from
CPU
107
/VALIN
VALIN_
OUT
CPU
VALID INPUT(to CPU)
108
/PIARD
PIARD_
OUT
74LVC16245, ASIC(KZ3H008302)
External peripheral Read Enable
109
V
CC
3.3V
IN
Power source
110
GND
GND
IN
GND
111
GND
GND
IN
GND
112
GND
GND
IN
GND
113
SCLK
SCLK
IN
PLL IC(CY2292)
Serial clock
114
/DREQ3
IN
NC (3.3V pull up)
115
/DREQ2
IN
NC (3.3V pull up)
116
/DREQ1
IN
NC (3.3V pull up)
117
/DREQ0
PARREQ_
IN
ASIC(KZ3H008302)
DREQ_ signal from interface ASIC
118
/POR
RESET_
IN
74LS244
Power on reset
119
/RLS
RLS_
IN
CPU
Bus open recognition
120
/VALOUT
VALOUT_
IN
CPU
VALID OUTPUT(from CPU)
121
/WAIT
IN
GND
122
/PIAWE
PIAWE_
OUT
ASIC(KZ3H008302)
External peripheral Write Enable
123
/PIACS5
NC
124
/PIACS4
NC
125
/PIACS3
NC
126
/PIACS2
NC
127
V
CC
3.3V
IN
Power source
128
GND
GND
IN
GND
129
/PIACS1
NC
130
/PIACS0
LDTOE_ , 1284CS_
OUT
74LVC16245, ASIC(KZ3H008302)
Interface ASIC chip select
131
/ROMCS3
RCS3_
OUT
NC
132
/ROMCS2
RCS2_
NC
133
/ROMCS1
RCS1_
OUT
LH28F800SUT
Boot ROM chip select
134
/ROMCS0
RCS0_
OUT
LH28F016SUT
Code ROM chip select
135
/MWE
MWE_
OUT
74LVC16244
DRAM write enable
136
/MOE
MOE_
OUT
74LVC16244
DRAM output enable
137
V
CC
3.3V
IN
Power source
138
GND
GND
IN
GND
139
/CAS7
CAS7_
OUT
16M Flash, DIMM168
DRAM CAS_ signal
DM-1505
11 – 21
manuals4you.com
Summary of Contents for DM-1500
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