Motorola Astro XTL 1500 - DSP SSI Port TX Mode CSQ; SPI Bus Waveform

6815854H01-A June 15, 2005
Troubleshooting Waveforms: XTL 1500 Waveforms 6-5
6.2.7 DSP SSI Port TX Mode CSQ
6.2.8 SPI Bus Waveform
T
T
3
Ch1 Ch2
Ch3
2
1
M 5.00us Ch1 2.2 V
Ch1 Freq
~47kHz
5.00V
5.00V
5.00V
MAEPF-27859-O
DSP SSI Port TX Mode CSQ
Trace 1 — DAC_SSI_FSYNC
Trace 2 — DAC_SSI_TXD
Trace 3 — DAC_SSI_CLK (2.4 MHz)
C1 Freq
164.6 kHz
MAEPF-27860-O
Radio Power-Up
Trace 1 — Data
Trace 2 — Chip Select
Trace 3 — Clock