JP1 Remotes

Hi, I know this is an old post, but may be of some help.
The chip in this remote is what I take as overkill being an 'SOIC"
The radio just part of the system makes it a good radio remote.
Your JP1 is obviously working given you have any access to memory space.
A look at your file doesn't look like ...

"JP1" idenifies a plug used to define a port defined by the 'Joint Test Access Group' known as JTAG. I don't think JP1 remotes are programmed using JTAG. The folks like URC are a marketing for many programmable remotes made in Kore or China.
Off the assembly line they are a bunch of parts. The ...

MaskedMan wrote:Is this access group going to ask for royalties?

No, just a group of engineers that forme some level of standardizing the 'tap' found on many of todays processors. Makes for a much faster testing method than visual or the "bed of nails" troublshooting PC boards or programming firmware.

What is the point of this post?
Back when I first started playing with remotes, I had no clue "what"JP1 was, what it did, and how it worked. This site taught me the basics, and taken it on my own from there. Learned the entire scope of joint test access group and its kin, Come a long ways and can ...

Perhaps some insight as to just what is this JP1 port.
"JP1" idenifies a plug used to define a port defined by the 'Joint Test Access Group' known as JTAG. A reduced serial pin configuration is called 'BDM' background debug module.
Manufacturers of JP1 remotes us this port to load and troubleshoot ...

I am trying to locate an upgrade or button codes
protocols are solved from an older post
and would mainly like to ug a sci-atl er1 remote,but have others

1. Device: microyal mrx1000
2. Type of device: satellite reciever
3. Year: 2000
4. JP1/UEI Remote model: (1)sa er1 (2)urc1067 comcast (3)urc10820 ...

:x I am trying to re-program a scientific atlanta model er10 (rc18) urc
to use for a dishpro dp301-13 satellite reciever.
the upgrades I've found in the file section work,and have even rewired some of the buttons.
upgrading for my pvr720 works great..but for the 301,,the page up,
and page down ...