XESS XStend, Руководство пользователя

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Table 5: Connections between the XS95 Board and XStend Board resources.
XS95 Pins (J2) XS40 Bus (J1,J3,J18) Power/ GND DIP Switch Push-buttons LEDs VGA Interface PS/2 Interface RAMs Stereo Codec 8051 Uc PC Parallel Port Oscillator
Function
UW-FPGA BOARD Pin
1 3 LS_0 A0 LED segment; address line P35
2 4 LS_1 A1 LED segment; address line P36
3 5 LS_2 A2 LED segment; address line P29
4 42 Uncommitted XS95 I/O pin
5 6 DIPSW4 LRCK P13 DIP switch; codec control; uC I/O P24
6 7 DIPSW1 LCE_ P10 DIP switch; RAM chip-enable, uC I/O port P19
7 8 DIPSW2 RCE_ P11 DIP switch; RAM chip-enable, uC I/O port P20
9 13 CLK XS40/95 oscillator output
10 37 RESET_ XTAL1 Pushbutton; uC clock line P56
11 9 DIPSW3 MCLK P12 DIP switch; codec clock; uC I/O port P23
12 31 Uncommitted XS95 I/O pin
13 14 PSEN_ uC program storage-enable
14 18 S5 RED1 XS Board LED segment; VGA color signal
15 19 S6 HSYNC_ XS Board LED segment; VGA horiz. sync.
17 20 S3 GREEN1 XS Board LED segment; VGA color signal
18 23 S4 RED0 XS Board LED segment; VGA color signal
19 24 S2 GREEN0 XS Board LED segment; VGA color signal
20 29 ALE_ uC address-latch-enable
21 25 S0 BLUE0 XS Board LED segment; VGA color signal
23 26 S1 BLUE1 XS Board LED segment; VGA color signal
25 33 Uncommitted XS95 I/O pin
26 68 KB_CLK P34 PS/2 keyboard clock; uC I/O port
28 15 JTAG TDI; DIN
28 71 JTAG TDI; DIN
29 17 JTAG TMS
30 16 JTAG TCK; CCLK
30 73 JTAG TCK; CCLK
31 11 Uncommitted XS95 I/O pin
32 27 RD_ uC read line
33 22 Uncommitted XS95 I/O pin
34 28 RDP_ A15 P27 LED decimal-point; address line; uC I/O port P41
35 10 D_8 AD7 P07 LED; RAM data line; uC muxed address/data line P61
36 80 D_7 AD6 P06 LED; RAM data line; uC muxed address/data line P62
37 81 D_6 AD5 P05 LED; RAM data line; uC muxed address/data line P65
39 35 D_5 AD4 P04 LED; RAM data line; uC muxed address/data line P66
40 38 D_4 AD3 P03 LED; RAM data line; uC muxed address/data line P57
41 39 D_3 AD2 P02 LED; RAM data line; uC muxed address/data line P58
43 40 D_2 AD1 P01 LED; RAM data line; uC muxed address/data line P59
44 41 D_1 AD0 P00 LED; RAM data line; uC muxed address/data line P60
45 36 RST uC reset line
46 44 CCLK PC_D0 Codec control line; PC parallel port output
47 45 CDIN PC_D1 Codec control line; PC parallel port output
48 46 CS_ PC_D2 Codec control line; PC parallel port output
49 52 GND Power supply ground
50 47 PC_D3 PC parallel port output
51 48 PC_D4 PC parallel port output
52 49 PC_D5 PC parallel port output
53 50 RS_4 A12 P24 LED segment; address line; uC I/O port P48
54 51 RS_2 A10 P22 LED segment; address line; uC I/O port P45
55 56 RS_3 A11 P23 LED segment; address line; uC I/O port P51
56 57 RS_1 A9 P21 LED segment; address line; uC I/O port P47
57 58 RS_5 A13 P25 LED segment; address line; uC I/O port P50
58 59 RS_0 A8 P20 LED segment; address line; uC I/O port P46
59 72 JTAG TDO; DOUT
59 75 JTAG TDO; DOUT
61 60 RS_6 A14 P26 LED segment; address line; uC I/O port P49
62 61 OE_ RAM output-enable
63 62 WR_ P36 RAM write-enable; uC I/O port
65 65 CE_ XS Board RAM chip-enable
66 66 DIPSW7 SDOUT P16 DIP switch; codec output data; uC I/O port P27
68 21 Uncommitted XS95 I/O pin
69 12 Uncommitted XS95 I/O pin
70 69 DIPSW8 KB_DATA P31 DIP switch; keyboard serial data; uC I/O port P28
71 70 DIPSW6 SDIN P15 DIP switch; codec input data; uC I/O port P26
72 77 DIPSW5 SCLK P14 DIP switch; codec serial clock; uC I/O port P25
74 74 Uncommitted XS95 I/O pin
75 78 LS_3 A3 LED segment; address line P44
76 76 Uncommitted XS95 I/O pin
77 1 Uncommitted XS95 I/O pin
78 2 +5V +5V power source
79 79 LS_4 A4 LED segment; address line P38
80 34 PC_D7 PC parallel port output
81 32 PC_D6 PC parallel port output
82 82 LS_5 A5 LED segment; address line P40
83 83 LS_6 A6 LED segment; address line P39
84 84 LDP_ A7 LED decimal-point; address line P37
24,67 67 SPARE_ VSYNC_ P17 Pushbutton; VGA horiz. sync.; uC I/O port P18
30 Serial EEPROM chip-enable
43 Unconnected
53 Unconnected
54 +3.3V +3.3V/+5V power supply (4000E/4000XL)
55 PROGRAM XS40 configuration control P55
63 Unconnected
64 Unconnected