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b048/8035L/8748/8748-6/8748-8/803S/803S-8
WAVEFORMS FOR PROGRAMMING
COMBINATION
PROGRAMIVERIFY
MODE
(EPROM'S
ONLY)
5V
_----II
23V
EA
.---------i---
VERIFY
__
.I'"'.~---
PROGRAM
-----
,.----
.......
TO
'AW
+-----<+--f-'WA
DBa-DB,
J--
LAST
ADDRESS
DATA
TO
BE
PROGRAMMED
VAllO
--
-<
NEXT ADDR
x==
VALID
NEXT
ADDRESS
~::
'~~-mt_~W_T
______________________
_
+23
==rr--TI
0W
'wo
PROG
+5
____
_ _ _ _ _ _ _ _
,.
_____
_
+0
___
J
VERIFY
MODE
(ROM/EPROM)
TO,mrr
\I..
_______
--J/
DBa-DB,
==>-
__
ADDRESS
10-71
VALID
\_--~/
NEXT
ADDRESS
- -
-,'-------
\'-----
P,,-P,
XI..
_____
A_D_DR_E_S_S_IB_-9_I_V_A_L_'D
____
--'X
...
______
N_EX_T_A_D_D_R_E_SS_V_A_L_'D
_______
_
NOTES:
1,
PROG MUST
FLOAT
IF
EA
IS
LOW (i.e.,
,,23V),
OR
IF
TO
=
5V
FOR THE 8748, FOR THE
8048
PROG MUST
ALWAYS
FLOAT,
2.
Xl
AND
X2
DRIVEN
BY 3 MHz CLOCK
WILL
GIVE
5",ec
'CY,
THIS
IS
ACCEPTABLE FOR
·8
PARTS AS
WELL
AS
STANDARD
PARTS,
The
8748
EPROM
can
be
programmed by either of two
Intel products:
1,
PROMPT-48 Microcomputer Design Aid,
or
Note:
See
the
ROM/PROM
section for
8048
ROM
ordering procedures.
To
minimize turnaround time
on
the first
25
pieces
8648
may
be
specified
on
the
ROM
order.
2.
Universal
PROM
Programmer
(UPP
series) peripheral
of
the Intellec$ Development System with a
UPP·848
Personal ity Card.
6-17
AFN-013S4A-09