Texas Instruments 880 User Manual 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