User Guide

7
7
DN-X1500
SEMICONDUCTORS
Only major semiconductors are shown, general semiconductors etc. are omitted to list.
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IC's
Note: Abbreviation ahead of IC No. indicates the name of P.W.B., etc.
MN102H74D (IC101)
MN102H74D Terminal Function
75
76
100
1
25
26
50
51
No. Pin Name Symbol I/O DET
Int
PU Ext Res Ini Function
1 P50,WAIT _WAIT I - - Pu H - HI R/W timing wait signal
2 P51,_RE _RD O - - Pu H - Read signal
3 P52,_WEL _WEL O - - Pu H - Write signal
4 P53,_WEH _DSP_REQ O - ON - Hi-z H System <-> DSP REQ signal
5 P60,_CS0 _CS0 O - - Pu H - Chip select signal 1st address of Flash ROM:
6 P61,_CS1 _CS_DSP O - - Pu H - Chip select of expansion port
7 P62,_CS2 _HBR O - - Pu H - DSP select signal Host Interface
8 P63,_CS3 _DSP_ACK I - ON - Hi-z - System <-> DSP ACK signal
9 P64,TM0IO,_BREQ _BREQ I - - Pu H -
Panel ucom control: When DSP boot, system bus
open. 'L': open
10 P65,TM1IO,_BRACK _BRACK O - Pu H - When bus open, 'L' output.
11 P66,_WR _DAC_RST O - ON - H H Reset of ADC, DAC, and DIT
12 _WORD _WORD I - - L L - Select width of data bit bus 'L': 16bit
13 P20,A00 A00 A/O - ON - Hi-z - Address bus
14 P21,A01 A01 A/O - ON - Hi-z - Address bus
15 P22,A02 A02 A/O - ON - Hi-z - Address bus
16 P23,A03 A03 A/O - ON - Hi-z - Address bus
17 Vdd Vdd - - - - - - Power supply(+3.3V)
18 P54,BOSC,SYSCLK RESERVE1 O - ON - L H Signal for test
19 Vss Vss - - - - - - GND(0V)
20 XI XI - - - - - - Not used
21 XO XO - - - - - - Not used
22 Vdd Vdd - - - - - - Power supply(+3.3V)
23 OSCI OSCI I - - - - - This Need 12MHz for USB communication
24 OSCO OSCO O - - - - - Output OSCI
25 MODE MODE I - - H H -
Mode set
'H': Memory expansion/single chip mode
26 P24,A04 A04 A/O - ON - Hi-z - Address bus
27 P25,A05 A05 A/O - ON - Hi-z - Address bus
28 P26,A06 A06 A/O - ON - Hi-z - Address bus
29 P27,A07 A07 A/O - ON - Hi-z - Address bus
30 P30,A08 A08 A/O - ON - Hi-z - Address bus
31 P31,A09 A09 A/O - ON - Hi-z - Address bus
32 P32,A10 A10 A/O - ON - Hi-z - Address bus
33 P33,A11 A11 A/O - ON - Hi-z - Address bus
34 Vdd Vdd - - - - - - Power supply(+3.3V)
35 P34,A12 A12 A/O - ON - Hi-z - Address bus
36 P35,A13 A13 A/O - ON - Hi-z - Address bus
37 P36,A14 A14 A/O - ON - Hi-z - Address bus
38 P37,A15 A15 A/O - ON - Hi-z - Address bus
※
Internal Pull Up is 10
∼
90 ( KΩ ), Ave : 30 ( KΩ )