RFX144V24-S23 and RFX96V24-S23 Modem Designer’s Guide
9-16
1070
START
LOW SPEED
CONFIGURATION
ENABLE BUFFER 2
INTERRUPT 1
1 B2I1E (1E:5)
IRQ LOW SPEED
RX ROUTINE
CHECK
IF FRAME
IS IN ERROR
CRC (9:1)
=1?
RESET EOF BIT
0 EOF (9:2)
RESET EOF BIT
0 EOF (9:2)
RESET
PROGRAMMABLE
INTERRUPT
REQUEST BIT
0 PIREQ (1F:3)
RESET
PROGRAMMABLE
INTERRUPT
REQUEST BIT
0 PIREQ (1F:3)
FRAME
RECEIVED
CORRECTLY
FRAME
RECEIVED
IN ERROR
NO
YES
1070F9-14
Figure 9-14. Receive FSK/HDLC Signals.
Summary of Contents for RFX144V24-S23
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