diff options
| author |  bigfoot547 <[email protected]> | 2026-05-01 16:42:06 -0500 |
|---|---|---|
| committer | bigfoot547 <[email protected]> | 2026-05-01 16:42:06 -0500 |
| commit | fff75f489768a8f87157199cad6905339b333ccb (patch) | |
| tree | fa850b0439e14757d54b24b001bebc6598297991 | |
| parent | design change: LED is active-low (diff) | |
modify pin assignments to make routing easier
| -rw-r--r-- | newnewexi.pld | 17 |
1 files changed, 9 insertions, 8 deletions
diff --git a/newnewexi.pld b/newnewexi.pld index d8d9e50..de65a86 100644 --- a/newnewexi.pld +++ b/newnewexi.pld @@ -22,18 +22,19 @@ Device F1504ISPTQFP44; Pin 37 = EXI_CLK; /* IN: EXI bit clock (act on rising edge) */
Pin 34 = !EXI_CS; /* IN: EXI chip select (active-low) - device in standby when FALSE */
-Pin 42 = EXI_DO; /* OUT: EXI data (slave out) */
-Pin 43 = EXI_DI; /* IN: EXI data (slave in) */
+Pin 43 = EXI_DO; /* OUT: EXI data (slave out) */
+Pin 42 = EXI_DI; /* IN: EXI data (slave in) */
Pin 44 = EXI_INT; /* OUT: EXI interrupt (not used) */
/** USB-side pins **/
-Pin [22..20, 18, 15..12] = [FIFO0..7]; /* I/O: USB data lines */
-Pin 11 = !USB_RXF; /* IN: USB data in FIFO? */
-Pin 10 = !USB_TXE; /* IN: USB can write? */
-Pin 23 = !USB_RD; /* OUT: USB read request (need RXF TRUE) */
-Pin 25 = USB_WR; /* OUT: USB write request (need TXE TRUE) */
-Pin 27 = !USB_PWREN; /* IN: USB bus ready? */
+/* P22: 4, P21: 2, P20: 1, P18: 7, P15: 5, P14: 6, P13: 3, P23: 0 */
+Pin [23, 20, 21, 13, 22, 15, 14, 18] = [FIFO0..7]; /* I/O: USB data lines */
+Pin 27 = !USB_RXF; /* IN: USB data in FIFO? */
+Pin 25 = !USB_TXE; /* IN: USB can write? */
+Pin 12 = !USB_RD; /* OUT: USB read request (need RXF TRUE) */
+Pin 11 = USB_WR; /* OUT: USB write request (need TXE TRUE) */
+Pin 28 = !USB_PWREN; /* IN: USB bus ready? */
/** Extra pins **/
Pin 33 = !LED; /* OUT: Master-controlled LED */
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