The following table lists the main parameters used throughout the pinmux design.
Note that the pinmux is generated based on the system configuration, and hence these parameters are placed into a package.
The pinout and pinmux mappings are listed under Pinout and Pinmux Mapping for specific top-level configurations.
The table below lists the primary pinmux IO signals to/from the pad ring.
The number of dedicated and muxed IOs is parametric, and hence the signals are stacked in packed arrays.
Signal
Direction
Type
Description
periph_to_mio_i[NPeriphOut-1:0]
input
packed logic
Signals from NPeriphOut muxed peripheral outputs coming into the pinmux.
periph_to_mio_oe_i[NPeriphOut-1:0]
input
packed logic
Signals from NPeriphOut muxed peripheral output enables coming into the pinmux.
mio_to_periph_o[NPeriphIn-1:0]
output
packed logic
Signals to NPeriphIn muxed peripherals coming from the pinmux.
periph_to_dio_i[NDioPads-1:0]
input
packed logic
Signals from NDioPads dedicated peripheral outputs coming into the pinmux.
periph_to_dio_oe_i[NDioPads-1:0]
input
packed logic
Signals from NDioPads dedicated peripheral output enables coming into the pinmux.
dio_to_periph_o[NDioPads-1:0]
output
packed logic
Signals to NDioPads dedicated peripherals coming from the pinmux.
mio_attr_o[NMioPads-1:0]
output
prim_pad_wrapper_pkg::pad_attr_t
Packed array containing the pad attributes of all muxed IOs.
mio_out_o[NMioPads-1:0]
output
packed logic
Signals to NMioPads bidirectional muxed pads as output data.
mio_oe_o[NMioPads-1:0]
output
packed logic
Signals to NMioPads bidirectional muxed pads as output enables.
mio_in_i[NMioPads-1:0]
input
packed logic
Signals from NMioPads bidirectional muxed pads as input data.
dio_attr_o[NDioPads-1:0]
output
prim_pad_wrapper_pkg::pad_attr_t
Packed array containing the pad attributes of all dedicated IOs.
dio_out_o[NDioPads-1:0]
output
packed logic
Signals to NDioPads bidirectional dedicated pads as output data.
dio_oe_o[NDioPads-1:0]
output
packed logic
Signals to NDioPads bidirectional dedicated pads as output enables.
dio_in_i[NDioPads-1:0]
input
packed logic
Signals from NDioPads bidirectional dedicated pads as input data.
