Pacific Power Source UPC-3 - Figure 5.1 Status Byte Model

SECTION 5 REMOTE OPERATION
91
&
7
5
&
&
SOS ESB
6
RQS
MSS
7
ESB
*SRE <NRf>
3
4
&
&
2
&
*SRE?
&
1
0
SQS
3
MAV
EEQ
2 1
0
FIGURE 5.1 STATUS BYTE MODEL
SERVICE
REQUEST
GENERATION
L
O
G
I
C
A
L
O
R
QUEUE
NOT-EMPTY
OUTPUT
QUEUE
READ BY
ADDRESSIN
G UPC AS A
TALKER
RESERVED
SHUTDOWN
READ BY
SERIAL POLL
STATUS BYTE
REGISTER
READ BY *STB?
SERVICE
REQUEST
ENABLE
REGISTER