RFX144V24-S23 and RFX96V24-S23 Modem Designer’s Guide
1070
9-15
IRQ TX ROUTINE
RTI
NO
NO
WAIT FOR
INTERRUPT
~IRQ1=0
ERROR INTERRUPT
NOT CAUSED BY
MODEM
LOAD DATA INTO
BUFFER 2
SET END OF
FRAME BIT
1 EOF (9:2)
DECREMENT
BYTE COUNT
YES
NO
YES
1070F9-13
POLL
BUFFER 2
AVAILABLE
B2A(1E:3)
=1?
MORE TO
TRANSMIT
BYTE COUNT
=0?
Figure 9-13. Low Speed Interrupt-Driven Transmit
Summary of Contents for RFX144V24-S23
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