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' Table 5: Input Jumper Area Signal Definition
Location
Signal Name
AO thru A7
SIO thru SI7
BO
OE
B1
B2
/RRDY
B3
B4
B5
B6
B7
CO
Cl
C2
C3
C4
. C5
C6
C7
DO
D1
D2
D3
D4
D5
D6
D7
EO thru E7
Ground
FO thru F7
vlo thru V17
Description
Data Input for Bits 0-7
SIO UART Overrun Error
Determined by CNTL, see Table 4
SIOS
Logical Inversion of RRDY
/TRDY
Logical Inversion of TRDY
TRDY
SIO UART Ready for Transmit Data
FE
SIO UART Framing Error
RRDY
SIO UART has Received Data Ready
PE
SIO UART Parity Error
RDATA
SIO UART Receive Data Input Line
CL1
Current Loop Input Data (+ on
J4-8, - on J4-22)
OIDA or I1DR or 02DA or 02DR
PRDY
PIOS
Determined by CNTL, see Table 4
12 DA
PIO Port 2 is Ready for More Out-
put Data
02DR
PIO Port 2 has Input Data Ready
I IDA
PIO Port 1 is Ready for More Out-
put Data
OlDR
Pio Port 1 has Input Data Ready
RE I A4
EIA Receiver Number 4
RE I A3
EIA Receiver Number 3
REIA2
EIA Receiver Number 2
RE IA 1
EIA Receiver Number 1
CRIS
Bit Ready or Byte Ready from CRI
ITTL3
TTL Direct Input 3 CJ9-12)
ITTL2
TTL Direct Input 2 (J4-6)
ITTLl
TTL Direct Input 1 (J4-16)
For Disabling Interrupts or Zeroing
Data Bits
Interrupt Request Selects
MIO
User Guide
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