Chapter 6 Troubleshooting Waveforms
6.1 Introduction
This chapter contains images of waveforms that might be useful in verifying operation of certain parts
of the circuitry. These waveforms are for reference only; the actual data depicted will vary depending
upon the operating conditions.
Table 6-1. List of Troubleshooting Waveforms
Waveform Page
Power-On Reset Timing 6-2
Power-On to Soft Turn-On Timing 6-2
Power-Down Reset 6-3
16.8 MHz Clock Waveform 6-3
32 kHz Clock Waveform 6-4
DSP SSI Port RX Mode 6-4
DSP SSI Port TX Mode CSQ 6-5
SPI Bus Waveform 6-5
SB9600 Waveform 6-6
SB9600 BUS+ and BUS- Waveforms 6-6
SB9600 BUS+ and RESET Waveforms 6-7
SB9600 BUSY and BUS- Waveforms 6-7
RS-232 RX Waveforms 6-8
RS-232 TX Waveforms 6-8
RS-232 RX/TX Waveforms 6-9
USB Waveforms 6-9
Serial Audio Port Waveforms 6-10
Secure Interface Waveforms 6-10
8 kHz Frame Sync Waveform 6-11
RX Audio Waveforms 6-11
TX Audio Waveforms 6-12
TX and RX 1 kHz Audio Path Sinewave and Chart 6-12
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