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SAMPLE PROGRAMMING SEQUENCE FOR 2708
Operation
Display
1 .
Push RESET. .............................................................. , _ _ _ _ _
....-0
2.
Push PROG. The display shows FIRST and LAST address .................... 1
000
3 F F
I
Define address field to be programmed using keyboard ...................... ,
(EX: 010 01 F)
010
o
1 F
I
3.
4.
Push ENTER. Display shows START address. .............................. 1
010
5.
Key in data desired. (EX: 73) ............................................. 1
010
7 3
Push ENTER. The entire contents of the COPY PROM is transferred ...... 1
to the RAM buffer. The new data (73) is stored at its address (010) in
' - - - - - - - - - - '
o
1 1
6.
the RAM. The address is automatically incremented and displayed
for next data entry.
7.
Continue to key new data and enter until the last defined address ...... 1
F .
has been entered. The display will show "F", noting the end of the
'.
defined address field. All old data from the. COPY PROM and new
DATA ENTERED FROM THE KEYBOARD' IS NOW IN THE RAM
buffer. To initiate programming,of data from the RAM buffer to ,the COpy
PROM the LAST ADDRESS must be entered as follows.
8.
WITHOUT resetting the programmer, pu!=;h PROG. Display shows ...... 1
0 '0 0
3F F
I
FIRST and LAST address.
9.
Define the LAST ADDRESS of 3FF (use 1 FF for 2104) by keying in a ...... 1
3 F F 3 F F
one location field starting at 3FF and ending at 3FF. Enter 3FF 3FF.
.
10.
Push ENTER. Display shows START address of 3FF. ........................
1
3 F F
~=========:
Key in whatever data is val.id for address 3FF.
I.f
the address is ...... 1
3 F F
empty, key in data FF (FF is the erased state of the PROM).
'---_ _ _ _ _
--1
11 .
FF
Push ENTER. The 100 pass programming automatically proceeds .....
·1
The display indicates the programming pass count in decimal from
' - - - - - - - - - - '
12.
00
00 to 99.
"
When pass 99 is complete. An automatic read-check is made on all ......
1
locations comparing the RAM buffer and the COpy PROM data. If
' - - - - - - - - - - '
13.
F
the read-check is successful an "F" appears in the display.
OPERATION WITH SERIES 90 OPTIONS
All Series 90 options are designed to work unbuffered operating on one location at a time. Since the
PM9005 requires buffered operation to do the multi-pass programming it operates with the Series 90
options in a different manner than the unbuffered personality modules.
3
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