[cctalk] Re: Looking for datasheet of RTC M3001 ...
I have compared the pinout of the MM58167 with the diagram given in the Ceres-3 Hardware description ... ... unfortunately, these are completely different, so your assumption seems not be valid :-( Liam Proven via cctalk wrote on 13.04.23 15:38: On Tue, 11 Apr 2023 at 17:41, Bernd Kopriva via cctalk wrote: Does anyone have a pointer to the datasheet ? A comment on book said: « For me, 'National Semiconductor' and 'RTC' together mean their own design of the MM58167 that was used on the AST multi-I/O and memory expansion adapters for the PC and the PS/2 Model 30. I guess that RTC was sourced differently later. »
[cctalk] Re: Looking for datasheet of RTC M3001 ...
On Tue, 11 Apr 2023 at 17:41, Bernd Kopriva via cctalk wrote: > Does anyone have a pointer to the datasheet ? A comment on book said: « For me, 'National Semiconductor' and 'RTC' together mean their own design of the MM58167 that was used on the AST multi-I/O and memory expansion adapters for the PC and the PS/2 Model 30. I guess that RTC was sourced differently later. » -- Liam Proven ~ Profile: https://about.me/liamproven Email: lpro...@cix.co.uk ~ gMail/gTalk/FB: lpro...@gmail.com Twitter/LinkedIn: lproven ~ Skype: liamproven IoM: (+44) 7624 277612: UK: (+44) 7939-087884 Czech [+ WhatsApp/Telegram/Signal]: (+420) 702-829-053