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CS62180B датащи(PDF) 42 Page - Cirrus Logic |
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CS62180B датащи(HTML) 42 Page - Cirrus Logic |
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42 / 50 page ![]() RMSYNC - Receive Multiframe Sync, Pin 28 (PLCC, Pin 32). Rising edge signals the F-bit of 1st frame of multiframe. RMSYNC runs on 50% duty cycle, high for frames 1-6 in 193S mode, distinguishing signaling channels A and B. In 193E mode, it’s high for frames 1-12, and can be used with RSIGSEL to distinguish channels A, B, C, and D. RSIGFR - Receive Signaling Frame, Pin 30 (PLCC, Pin 34). High during signaling frames, low at all other times, including resync. Serves no purpose in T1DM mode. RSIGSEL - Receive Signaling Select, Pin 31 (PLCC, Pin 35). In 193E mode, RSIGSEL goes high for frames 1-6 and 13-18, identifying signaling channels A and C. Used together with RMSYNC, which is high for channels A and B, it allows identifica- tion of all 4 signaling channels. In 193S mode, RSIGSEL goes high for frames 1-3 and 7-9. Serves no purpose in T1DM mode. In SLC-96 ® mode, RSIGSEL goes high in those frames where Fs bits (frames 59 to 11) and the last spolier bit (frame 58) are present; goes low in all other frames (frames 12 to 57). Miscellaneous TEST - Test Mode, Pin 32 (PLCC, Pin 36). Tie to VSS for normal operation. Factory use only. CS62180B 42 DS225PP2 |
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