HP 13255 Technical Information page 6

1325'5
General Purpose Asvnchronous Data Comm Module
13255-91089/04
Pev AUG-01-76
Table
4.0
Switch DefinItions
================================================================================
PCA Function
Deslqnatlon
================
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Alt,A10,A9,A4
Feo
thru FC7
C~E
BO thru Btl
SO,51,52
134
RHE
1A1
Module Address Selection (see section
4.0)
Firmware Control Word - Function deoends on
firmware apolication
Custom Raud RAtp Enable
Closed - The custom baud
rat~
qenerator is
enabled when the haud rate switCh
is in the EXT position
Open - The custom haud rate generator is
disabled
Custom Baud Rate Selection (see section 4.1)
SplIt Baud Pate Selection (see section 4.2)
134.5
BAUd
ClosPd - Enable 134.5 baud and 6-bit data
word when baud rate switch is in
150 position
Open - DISAble 134.5 baud
Two stop Bits
Closed - Transmit and receive data with two
stop hits at all baud rates.
npen - Transmit and receive data with one
stop hit at all_haud rates excent
110
(two stop bits)
Transmit
~andshake
F.nable
Closed -
Ena.~l
e t ran sm 1 t handshake c 1 reu 1 t
open - Disable transmit
hand5h~ke
circuit
Receive Handshake Enable
rlosed - Enable receive handshake circuit
bpen - Disable receive handshake circuit
Inhibit AT'"
Closed - Disable Data Comm
Intprru~t
from this module
np~n
- Enable Data Comm Interrupt from this module
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