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BP 13255
MEMORY CONTROLLER MODULE
Manual Part 10. 13255-912q9
1/.2S.;l
PRINTED
JUN-23-81
DATA TERMINAL
TECHNICAL INFORMATION
HEWLETT ifi PACKARD
Printed in U.S.A.
13255 13255-91249/02
Processor (8085A-2) Module REV FEB-14-82
1.0 INTRODUCTION.
The processor (8085A-2) module functions as the . . in controlling unit
for the 2747F terminal. It also contains the hardware to intertace the
processor to the external keyboard. The processor retches instructions
trom memory and pertorms I/O operations on other .adul.s attached to
the terminal data bus (backplane ass.bly). !be 8085A-2 lIOdule has the
capability ot down loading code in a RAM based 2647F.
2.0 OPERATING PARAMETERS.
A summary of operating parameters tor the Processor (8085A-2) Module is
contained in tables 1.0 through 6.7
Table 1.0 Physical Parameter.
================================================================================
1 PART 1 Size (L x W x D) Weight 1
I NUMBER 1 NOMENCLATURE 1 +/-0.100 Inche. 1 (Pounds) 1
/==============1==============================1======================1=========1
1 I 1 1 1
I 02640-60249 I PROCESSOR (8085A-2) I 12.5 x 4.0 x 0.5 1 0