_io = [
("clk25", 0, Pins("G2"), IOStandard("LVCMOS33")),
- ("rst", 0, Pins("R1"), IOStandard("LVCMOS33")),
+ ("rst", 0, Pins("R1"), IOStandard("LVCMOS33")),
("user_led", 0, Pins("B2"), IOStandard("LVCMOS33")),
("user_led", 1, Pins("C2"), IOStandard("LVCMOS33")),
("user_led", 2, Pins("C1"), IOStandard("LVCMOS33")),
("user_led", 3, Pins("D2"), IOStandard("LVCMOS33")),
- ("user_led", 0, Pins("D1"), IOStandard("LVCMOS33")),
- ("user_led", 1, Pins("E2"), IOStandard("LVCMOS33")),
- ("user_led", 2, Pins("E1"), IOStandard("LVCMOS33")),
- ("user_led", 3, Pins("H3"), IOStandard("LVCMOS33")),
+ ("user_led", 4, Pins("D1"), IOStandard("LVCMOS33")),
+ ("user_led", 5, Pins("E2"), IOStandard("LVCMOS33")),
+ ("user_led", 6, Pins("E1"), IOStandard("LVCMOS33")),
+ ("user_led", 7, Pins("H3"), IOStandard("LVCMOS33")),
("serial", 0,
Subsignal("tx", Pins("L4"), IOStandard("LVCMOS33")),
Subsignal("rx", Pins("M1"), IOStandard("LVCMOS33"))
),
- ("sdram_clock", 0, Pins("F19"), IOStandard("LVCMOS33")),
+ ("spisdcard", 0,
+ Subsignal("clk", Pins("J1")),
+ Subsignal("mosi", Pins("J3"), Misc("PULLMODE=UP")),
+ Subsignal("cs_n", Pins("H1"), Misc("PULLMODE=UP")),
+ Subsignal("miso", Pins("K2"), Misc("PULLMODE=UP")),
+ IOStandard("LVCMOS33"), Misc("SLEWRATE=FAST")
+ ),
+
+ ("sdram_clock", 0, Pins("F19"),
+ Misc("PULLMODE=NONE"),
+ Misc("DRIVE=4"),
+ Misc("SLEWRATE=FAST"),
+ IOStandard("LVCMOS33")
+ ),
("sdram", 0,
- Subsignal("a", Pins("M20 M19 L20 L19 K20 K19 K18 J20 J19 H20 N19 G20 G19")),
- Subsignal("dq", Pins("J16 L18 M18 N18 P18 T18 T17 U20 E19 D20 D19 C20 E18 F18 J18 J17")),
- Subsignal("we_n", Pins("T20")),
+ Subsignal("a", Pins(
+ "M20 M19 L20 L19 K20 K19 K18 J20",
+ "J19 H20 N19 G20 G19")),
+ Subsignal("dq", Pins(
+ "J16 L18 M18 N18 P18 T18 T17 U20",
+ "E19 D20 D19 C20 E18 F18 J18 J17")),
+ Subsignal("we_n", Pins("T20")),
Subsignal("ras_n", Pins("R20")),
Subsignal("cas_n", Pins("T19")),
- Subsignal("cs_n", Pins("P20")),
- Subsignal("cke", Pins("F20")),
- Subsignal("ba", Pins("P19 N20")),
- Subsignal("dm", Pins("U19 E20")),
- IOStandard("LVCMOS33"), Misc("SLEWRATE=FAST")
+ Subsignal("cs_n", Pins("P20")),
+ Subsignal("cke", Pins("F20")),
+ Subsignal("ba", Pins("P19 N20")),
+ Subsignal("dm", Pins("U19 E20")),
+ Misc("PULLMODE=NONE"),
+ Misc("DRIVE=4"),
+ Misc("SLEWRATE=FAST"),
+ IOStandard("LVCMOS33"),
),
("wifi_gpio0", 0, Pins("L2"), IOStandard("LVCMOS33")),
# Platform -----------------------------------------------------------------------------------------
class Platform(LatticePlatform):
- default_clk_name = "clk25"
+ default_clk_name = "clk25"
default_clk_period = 1e9/25e6
def __init__(self, device="LFE5U-45F", **kwargs):