Date   : Wed, 14 Mar 1990 16:06:09 GMT
From   : zaphod.mps.ohio-state.edu!brutus.cs.uiuc.edu!ux1.cso.uiuc.edu!deimos!iowasp!syswtr@tut.cis.ohio-state.edu
Subject: Need info on 5832 and 58321 clock chips

In article <847@gold.GVG.TEK.COM>, grege@gold.GVG.TEK.COM (Gregory Ebert)
writes:
> In article <C6C814F3BE1F8001B0@uhhepg.bitnet> RALPH@UHHEPG.BITNET (Ralph
Becker-Szendy) writes:
>>Hi
>>
>>The subject line says it all: I need some information (pin assignment,
register
>>locations, interfacing) for the MSM 5832 and RTC 58321 clock chips (in
view of
>>putting one of them onto my homebrew Z80 system).
>>
 If you are building your own hardware, the 5832 has very slow access 
time.  A 4 Mhz Z80 will probably not be relaible when reading/writing the
5832.  A slower processor (i.e. 2.5 Mhz) may work...
  National makes a pair of chips that are faster and simpler to use,
the 8570 and 8571...

Bill Robison
SYSWTR@IOWASP.PHYSICS.UIOWA.EDU