Texas Instruments 880 - Page 66

The READY/BUSY signal sent to the host is
determined by the interface selected and the set-
ting
of configuration code 83. The READY/BUSY
signals are listed in Table 7-2.
Table 7-2. READY/BUSY Signals
Serial
Parallel
Connector
Connector
Configuration BUSY
Codes or Pin 11 Pin2
Pinn
Selected
READY
(Pin
20
Transmit
if8A=ON)
130N; 83 OFF
BUSY Low
Not
used Not used
130N;830FF
READY High Not used Not used
130N;830N BUSY Low
DC3
Not used
130N; 83 ON READY High
DC1 Not used
140N;830FF BUSY
Low Not used Not used
140N; 83 OFF
READY
High
Not used Not used
140N;830N
BUSY Low DC3 Not used
140N;830N
READY High
DC1
Not used
150N; 83 OFF BUSY High
Not
used Not used
150N; 83 OFF
READY Low Not used Not used
150N;830N
BUSY
High
DC3 Not used
150N; 83 ON
READY
Low
DC1 Not used
160N;830FF
BUSY Low Not used Not used
160N;830FF READY High
Not
used
Not used
160N; 83 ON BUSY
Low DC3 Not used
160N;830N
READY High DC1 Not used
170N;830FF BUSY
Not used Not used 5Vdc
170N;830FF
READY Not used Not used OVdc
170N;830N
BUSY Not used Not used 5Vdc
170N;830N
READY Not used Not used OVdc
7-2