BLAHAJ
/
sq50-re
10
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

Update 'Hardware info'

Triss 2021-08-03 01:28:26 +00:00
parent 45964bb445
commit 1720b374fd
1 changed files with 2 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
Hardware-info.md

@ -13,7 +13,7 @@ The SQ50 consists of the following components:
* TI OPA 4354A 912Q (quad opamp, [product info](https://www.ti.com/product/OPA4354))
* A number of analog components
* Bottom side:
* 8-pin 2mm pin header/connector (JTAG)
* 8-pin 1.27mm pin header/connector (JTAG)
* 3 empty slots/solder pads for more ISSI SRAM chips (probably used in the SQ100/SQ200 variants)
* Empty solder pads for a SOIC-8 chip for unknown purpose
* 147776 TP949 6EAL (QFN-16, unknown purpose)
@ -35,7 +35,7 @@ Bottom side of the PCB:
### JTAG connector
The board has an 8-pin 2mm(?)-pitch JTAG connector on the bottom side, under the USB connector. (Connection hasn't been tested with a JTAG probe yet, though. The pins have been checked with a continuity tester that it goes to the Spartan-3AN JTAG pins.) The pinout is as follows:
The board has an 8-pin 1.27mm-pitch JTAG connector on the bottom side, under the USB connector. (Connection hasn't been tested with a JTAG probe yet, though. The pins have been checked with a continuity tester that it goes to the Spartan-3AN JTAG pins.) The pinout is as follows:
```
_________