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68HC05CL48 Datasheet(PDF) 93 Page - Motorola, Inc |
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68HC05CL48 Datasheet(HTML) 93 Page - Motorola, Inc |
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93 / 145 page ![]() June 11, 1997 GENERAL RELEASE SPECIFICATION MC68HC05CL48 CALLER-ID MOTOROLA REV 2.0 11-9 11.7.4 Caller_ID Data Register (CDDR) CDDR[7:0] is the Caller ID data in byte format. 11.8 DESIGN PARAMETERS The data signalling interface conforms to the recommended operating ranges of the physical layer test parameters for TYPE 1 CPE as described in Bellcore Publication SR-NWT-003004. 76543210 CDDR $000E READ CDD7 CDD6 CDD5 CDD4 CDD3 CDD2 CDD1 CDD0 WRITE RESET UUUU 0000 U = UNAFFECTED Table 11-1. Typical Input parameter Parameters Operating Range Units Mark Frequency 1188 ~ 1212 Hz Space Frequency 2178 ~ 2222 Hz Mark Level (600 ohm) -12 ~ -32 dBm Space Level (600 ohm) -12 ~ -36 dBm Carrier Frequency 1700 Hz Twist Immunity (600 ohm) +/- 10 dBm Baud Rate 1188 ~ 1212 baud Ringing Frequency 10 to 55 Hz Noise Immunity (Signal to Noise Ratio) -20 (for noise below 200 and above 3200 Hz) 25 (for noise between 200 and 3200 Hz) dB Channel Seizure Delay 250 ~ 3600 ms Input Impedance 500 k Ω Immunity to CS and MS 10 ms |
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