TheArchive/mayhem-firmware
1
0
Fork 0
mirror of https://github.com/portapack-mayhem/mayhem-firmware.git synced 2025-02-20 05:48:30 +00:00
Code Issues Packages Projects Releases Wiki Activity

Corrected H2+ R4 changes, cleaned up H2+ R3 note, updated list at top of page.

OiD-W 2022-09-29 18:24:55 +02:00
parent 79321e9381
commit 581575a3be
1 changed files with 5 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
PortaPack-Versions.md

@ -2,8 +2,7 @@
There are many different versions of PortaPack, mainly due to Chinese’s Companies putting their own take of the design such as adding a larger screen, adding charging or changing the main chip due to price and availability. The current list is: There are many different versions of PortaPack, mainly due to Chinese’s Companies putting their own take of the design such as adding a larger screen, adding charging or changing the main chip due to price and availability. The current list is:
![image](https://user-images.githubusercontent.com/4393979/170891223-85f21e44-77e7-466d-af44-7c73f51af917.png) ![PortaPack Hardware Revisions](https://user-images.githubusercontent.com/54041511/193085181-7b333297-0835-4899-a869-be049f7c4072.png)
_(Note: The H3 is Incompatible, do not buy it as it's a scam)_ _(Note: The H3 is Incompatible, do not buy it as it's a scam)_
@ -51,7 +50,6 @@ _(Note: The H3 is Incompatible, do not buy it as it's a scam)_
### Differences ### Differences
* Similar to H2+R2 except * Similar to H2+R2 except
* This versions the standard CPLD 5M40ZE64CN5 was replaced with EPM240T100C5N ( due to cost and supply issues by supplier "OpenSourceSDR Lab") which has caused some issues ( they issues their work around fixes in a version 1.4.3) and resolved in version 1.5.x due to a lot of hard work. * This versions the standard CPLD 5M40ZE64CN5 was replaced with EPM240T100C5N ( due to cost and supply issues by supplier "OpenSourceSDR Lab") which has caused some issues ( they issues their work around fixes in a version 1.4.3) and resolved in version 1.5.x due to a lot of hard work.
* Note: We are only now just seeing new version with the AG256SL100 IC. We may consider this an H2+ R4
## H2+R4 ## H2+R4
@ -61,7 +59,10 @@ _(Note: The H3 is Incompatible, do not buy it as it's a scam)_
### Differences ### Differences
* Similar to the H2+R3 except it now uses the AG256SL100 IC. As well as it uses the AK4951 * Similar to the H2+R3 except it now uses the AG256SL100 IC as well as the 28 pin QFN WM8731L instead of the 38 pin QFN AK4951. Marked as "PCB v3.6 mmdvm.club".
* 3W LTK8002D SOP8 Class D amplifier for the speaker (INS8002e clone?).
* Power IC IP5306 SOP8.
## H3 ## H3