Braintechnology USB Interface V2.x
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The Braintechnology USB Interface V2.x is a Cypress FX2 eval board, which can be used as USB-based, 16-channel logic analyzer with up to 24MHz sampling rate.
There are various revisions of the hardware, e.g. V2.5 , V2.6 , and V2.7 .
In sigrok, we use the open-source fx2lafw firmware for this logic analyzer.
See Braintechnology USB Interface V2.x/Info for some more details (such as lsusb -vvv output) on the device.
Hardware
- Main chip: Cypress CY7C68013A-56PVXC (FX2LP)
- 64kB I2C EEPROM: Microchip 24LC641
- Low-dropout voltage regulator: ST LD33
- Crystal: 24MHz
- ?: PDEI
Photos
PCB, front
PCB, back
Cypress FX2LP
I2C EEPROM, LDO
PDEI chip
Protocol
Since we use the open-source fx2lafw firmware for this device, we don't need to know the protocol.