MOS 6507 Tech Spec's

[Eric Smith]

> Anyone have any old technical white papers on the MOS 6507, I know its
> just a slight variant of the 6502, but I would like to look over the
> original technical specifications for the chip, pinouts, opcodes,
> instruction set, etc...

There are no specific documents on it.  It's in the MCS650x data sheet.
It's just a 6502 die in a smaller 28-pin DIP package with not all of the
pins bonded out.  Specifically, A12 through A15, RDY, /NMI, SYNC, SO,
three NC pins, and one Vss pin are not available.

The pinout is:

      /RES    1     28    Ph2 out
       Vss    2     27    Ph0 in
    Ph1 out   3     26    R/W
      /IRQ    4     25    D0
       Vcc    5     24    D1
        A0    6     23    D2
        A1    7     22    D3
        A2    8     21    D4
        A3    9     20    D5
        A4    10    19    D6
        A5    11    18    D7
        A6    12    17    A11
        A7    13    16    A10
        A8    14    15    A9


I'm looking for the Synertek 6516 data sheet, and Synertek technical
notes 34 and 40.  The 6516 was to be a 16-bit extension of the 6500
family, years before the 65802/65816.  Synertek published a data sheet
in mid 1978, but the part was never put into production.