Difference between revisions of "Zero2/Hardware/Revisions"
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| 1.0 | | 1.0 | ||
| Initial version | | Initial version | ||
| − | * Lack of clearance around microSD card slot resulting the card will be blocked for insertion. (Workaround: lift the card corner slightly during insertion, so the card can "sit" on that blocking component when fully inserted) | + | Known issues: |
| + | * <del>Lack of clearance around microSD card slot resulting the card will be blocked for insertion. (Workaround: lift the card corner slightly during insertion, so the card can "sit" on that blocking component when fully inserted)</del> | ||
* TYPE-C headers are slightly misaligned. | * TYPE-C headers are slightly misaligned. | ||
* PCB mounting hole location is different from Zero, as such a proposed universal case cannot share holes on the USB connector side. | * PCB mounting hole location is different from Zero, as such a proposed universal case cannot share holes on the USB connector side. | ||
* USB 3 port may not be recognized by the board. (Manually fixed on sample boards) | * USB 3 port may not be recognized by the board. (Manually fixed on sample boards) | ||
| − | * GPIO pin 16 and 24 are connected on the same bus. 16 will be replaced by SARADC_CH1. | + | * <del>GPIO pin 16 and 24 are connected on the same bus. 16 will be replaced by SARADC_CH1.</del> |
| − | * GPIO pin 36 is an open drain pin. Works fine for input but need pull up for output. | + | * <del>GPIO pin 36 is an open drain pin. Works fine for input but need pull up for output.</del> |
| − | * Fan's PWM generator is occupied by VDDCPU_B. Preferably an unused PWM pin should go there. Otherwise <code>gpio-fan</code> will be used in device tree. | + | * <del>Fan's PWM generator is occupied by VDDCPU_B. Preferably an unused PWM pin should go there. Otherwise <code>gpio-fan</code> will be used in device tree.</del> |
* Green LED might be too bright | * Green LED might be too bright | ||
|- | |- | ||
| 1.1 | | 1.1 | ||
| − | | | + | | Major changes: |
| + | * Fix microSD card clearance. | ||
| + | * Pin 16 is now connected to GPIOZ_8. | ||
| + | * Pin 22 is now connected to GPIOZ_9. | ||
| + | * Pin 36 is now pulled up. | ||
| + | * Fan is now connected to GPIOAO_11 (PWMAO_A). | ||
| + | * Relocated fan header, and switched to a smaller CSI connector. | ||
| + | * Update CSI, DSI pin definition. | ||
| + | * <b>Switch wireless module from AP6256 to AW-CM256SM</b>, which requires different firmware. Distro developers are recommended to include firmwares for both modules. | ||
| + | |- | ||
| + | | 1.2 | ||
| + | | Major changes: | ||
| + | * Add I2S data pin on pin 31 and 36 | ||
|} | |} | ||
Latest revision as of 03:43, 7 July 2022
Radxa Zero 2 > Hardware > Hardware revisions
| Version | Comment |
|---|---|
| 1.0 | Initial version
Known issues:
|
| 1.1 | Major changes:
|
| 1.2 | Major changes:
|