RFX144V24-S23 and RFX96V24-S23 Modem Designer’s Guide
1070
9-5
START
END
CONFIGURE FOR
TONE TRANSMIT
80h CONF (6:0-7)
1 SETUP (1F:0)
LOAD RAM ADDRESS & AREX1
SET CR1 AND RESET BR1 & DR1
21h ADD1
0 AREX1
1 CR1
0 BR1
0 DR1
LOAD RAM ADDRESS & AREX1
RESET CR1, BR1 & DR1
22h ADD1
0 AREX1
0 CR1
0 BR1
0 DRI
DISABLE
DIAGNOSTICS 1
0 ACC1 (5:7)
DISABLE
DIAGNOSTICS 1
0 ACC1
ENABLE
DIAGNOSTICS 1
1 ACC1
ENABLE
DIAGNOSTICS 1
1 ACC1
LOAD PARAMETERS
FOR FREQUENCY
38h YDAM1 (1:0-7)
00h YDAL1 (0:0-7)
LOAD PARAMETERS
FOR LEVEL
7Bh YDAM1
A6h YDAL1
SET RAM WRITE BIT
1 WRT1 (5:1)
NO
NO
NO
SETUP = 0?
B1A (1E:0)=1?
B1A (1E:0)=1?
SET RTSP
1 RTSP (7:7)
DELAY
2.6 SECONDS TO
4.0 SECONDS
RESET RTSP
0 RTSP
YES
YES
YES
1
1
PHASE A
1070F9-5
Figure 9-5. Transmit Called Tone (CED) (2100 Hz)
Содержание RFX144V24-S23
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