Description
The FlashExt is a board with up to 4 flash memory devices. They are divided in 2 channels with each 2 flash memories.
The chip enable (CEn#), ready/busy (R/Bn#) are available for each flash device.
IO, WE#, RE#, CLE, ALE can control each channel (so 2 devices at the same time).
The IO (data and address) are divided in two channels. Channel C1 is made of devices F1 and F2, channel C2 is made by devices F3 and F4.
Fx means Flash device X.
Cx means channel x.
Plug the board
Be careful when plug-in the FlashExt board on the FPGA4U. Since the 64 pins connector is symetrical, the board can be wrongly connected. The board must be connected as shown in the image bellow. The "LEDS" text must be on the LEDs.
And as for any other extension board, make sure to set the default configuration of your FPGA to a design that is not using the LEDs to not damage the components of the extension board.
A tutorial to do this can be found here
Schematics
Schematics of the FlashExt
PDF with the placement of the components (for soldering)
Altium project
The altium project can be found in folder \\lapsrv1\distribution\_LAP\Projets\FlashExt\
Pin assignment
Port 64 Pin Table TOP view connector
| Pin Num |
Name |
FPGA Pin |
FlashExt board
|
| 1 |
|
3.3V |
3.3V
|
| 3 |
PIN_E19 |
CLK_to_Conn |
|
| 5 |
PIN_G7 |
SWITCH0[0] |
CE4#_F2
|
| 7 |
PIN_F8 |
SWITCH0[2] |
CE3#_F2
|
| 9 |
PIN_E9 |
SWITCH0[4] |
CE2#_F2
|
| 11 |
PIN_G11 |
SWITCH0[6] |
CE1#_F2
|
| 13 |
|
Gnd |
Gnd
|
| 15 |
PIN_C21 |
LED[87] |
R/B1#_F2
|
| 17 |
PIN_D21 |
LED[85] |
R/B2#_F2
|
| 19 |
PIN_E21 |
LED[83] |
R/B3#_F2
|
| 21 |
PIN_F20 |
LED[81] |
R/B4#_F2
|
| 23 |
PIN_G17 |
LED[71] |
IO0_C1
|
| 25 |
PIN_H16 |
LED[69] |
IO1_C1
|
| 27 |
PIN_J19 |
LED[67] |
IO2_C1
|
| 29 |
PIN_K22 |
LED[65] |
IO3_C1
|
| 31 |
PIN_C1 |
LED[55] |
IO4_C1
|
| 33 |
PIN_D3 |
LED[53] |
IO5_C1
|
| 35 |
PIN_E3 |
LED[51] |
IO6_C1
|
| 37 |
PIN_F3 |
LED[49] |
IO7_C1
|
| 39 |
PIN_G6 |
LED[39] |
RE#_C1
|
| 41 |
PIN_H4 |
LED[37] |
CLE_C1
|
| 43 |
PIN_J2 |
LED[35] |
ALE_C1
|
| 45 |
PIN_R7 |
LED[33] |
WE#_C1
|
| 47 |
PIN_M19 |
LED[23] |
R/B4#_F1
|
| 49 |
PIN_N15 |
LED[21] |
R/B3#_F1
|
| 51 |
PIN_R22 |
LED[19] |
R/B2#_F1
|
| 53 |
PIN_R18 |
LED[17] |
R/B1#_F1
|
| 55 |
PIN_U22 |
LED[7] |
CE1#_F1
|
| 57 |
PIN_V22 |
LED[5] |
CE2#_F1
|
| 59 |
PIN_W22 |
LED[3] |
CE3#_F1
|
| 61 |
PIN_Y20 |
LED[1] |
CE4#_F1
|
| 63 |
|
Gnd |
Gnd
|
|
| Pin Num |
Name |
FPGA Pin |
Video extension board
|
| 2 |
|
3.3V |
3.3V
|
| 4 |
PIN_L22 |
CLK_from_top |
|
| 6 |
PIN_H8 |
SWITCH0[1] |
R/B4#_F4
|
| 8 |
PIN_H9 |
SWITCH0[3] |
R/B3#_F4
|
| 10 |
PIN_F10 |
SWITCH0[5] |
R/B2#_F4
|
| 12 |
PIN_E11 |
SWITCH0[7] |
R/B1#_F4
|
| 14 |
|
Gnd |
Gnd
|
| 16 |
PIN_C19 |
LED[86] |
CE1#_F4
|
| 18 |
PIN_D19 |
LED[84] |
CE2#_F4
|
| 20 |
PIN_F22 |
LED[82] |
CE3#_F4
|
| 22 |
PIN_G21 |
LED[80] |
CE4#_F4
|
| 24 |
PIN_H18 |
LED[70] |
IO0_C2
|
| 26 |
PIN_J21 |
LED[68] |
IO1_C2
|
| 28 |
PIN_J17 |
LED[66] |
IO2_C2
|
| 30 |
PIN_K20 |
LED[64] |
IO3_C2
|
| 32 |
PIN_D1 |
LED[54] |
IO4_C2
|
| 34 |
PIN_E1 |
LED[52] |
IO5_C2
|
| 36 |
PIN_F1 |
LED[50] |
IO6_C2
|
| 38 |
PIN_G3 |
LED[48] |
IO7_C2
|
| 40 |
PIN_H2 |
LED[38] |
RE#_C2
|
| 42 |
PIN_H6 |
LED[36] |
WE#_C2
|
| 44 |
PIN_P3 |
LED[34] |
ALE_C2
|
| 46 |
PIN_T6 |
LED[32] |
CLE_C2
|
| 48 |
PIN_N22 |
LED[22] |
CE4#_F3
|
| 50 |
PIN_P17 |
LED[20] |
CE3#_F3
|
| 52 |
PIN_R20 |
LED[18] |
CE2#_F3
|
| 54 |
PIN_T22 |
LED[16] |
CE1#_F3
|
| 56 |
PIN_U20 |
LED[6] |
R/B1#_F3
|
| 58 |
PIN_V20 |
LED[4] |
R/B2#_F3
|
| 60 |
PIN_Y22 |
LED[2] |
R/B3#_F3
|
| 62 |
PIN_Y18 |
LED[0] |
R/B4#_F3
|
| 64 |
|
Gnd |
Gnd
|
|
