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Rear Panel
On the rear of the device are a few auxiliary connections, including AC power input, communicatio...
Front Panel
The front panel features a few buttons, indicators, and a rotary encoder. Overview Note that ...
Peripheral Allocation
CAN0: Expansion PA22 (TX), PA23 (RX) SERCOM0: I2C, front panel/rear IO (through mux) ...
Peripherals
Below are listed the general peripherals used by the controller. These are selected so that they ...
Revisions
This page lists any assembly remarks and issues with each revision of the board. Rev 1 5V pow...
6 Slot Backplane
A backplane which supports up to six expansion cards, meant to go into a 3U VME crate. Feature...
Overview
Unlike other expansion boards, this one is required to operate the backplane, primarily to power ...
Expansion
Peripherals can be connected to the CPU board through the expansion connector, a 96-pin, 3 row DI...
Pinout
Using 96 position (3x32) DIN 41612 connectors; right angle male on expansion cards, vertical fema...
Protocol Overview
This is mostly based off of reading the slightly deobfuscated source code of the Pax WebApp and B...
Rev1 Assembly Notes
Debug board F202 footprint appears to be too large for the fuse ordered (NANOSMDC050F/13.2-2) ...
System Definitions
A system’s devices, busses, clock sources, and connections between all of these are defined in sy...
Emulation Strategy
This page attempts to capture some of the ideas behind how the emulator is implemented, and how i...
Message Types
This is a list of all message types as extracted from the Pax mobile application. The names are i...