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The FX2 CTL2 and PD0.7 pins are mapped exactly like the HT2013 V5.00 version.

Some devices (probably those that do not have U5 populated) produce bogus min and max spikes when measuring certain voltages, this can probably be remedied by adding small (on the order of 10s pF) capacitance to U5 Vcc and GND pins or to the ADC CLK line.

TLC5510 is used with ~3.3V "reference" from LDO output which is both out of the allowed range and is a major source of inaccuracy.

Some devices have R2 = 66.5Ω (instead of 66.5kΩ), this basically limits the range to -3.3V - +3.3V.

Analog amplifiers negative supply: Intersil ICL7660 (7660 AIBAZ V120428A).

Analog input amplifiers: Analog Devices AD8065 (SMD marking "HRA").

Analog-to-digital converter: Texas Instruments TLC5510I.

In order to make sure you are downloading the exact right driver the hardware id is USB/VID 08A9&PID 0014.

Supply voltage regulator: Advanced Monolithic Systems AMS1117-3.3 The USBee Suite Standard is a free download and will run in Demo mode without a USBee, or on any USBee SX, USBee ZX, USBee AX-Standard, USBee AX-Plus, USBee AX-Pro, USBee DX or BusBee Test Pod.

Auxiliary 8051 chip: ST STM8S003F3 (used for handling the button).

Main chip: Cypress CY7C68013A-56SSOP (FX2LP).