Motorola APX 2000 Detailed Service Manual

Chapter 6 Troubleshooting Waveforms
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
on operating conditions.
6.1 List of Waveforms
Table 6-1 lists each waveform and the page on which the waveform can be found.
Table 6-1. List of Waveforms
Waveform
Page
No.
Clocks
32 kHz Clock 6-2
4 MHz Clock 6-3
12 MHz Clock 6-4
16.8 MHz Clock 6-5
24 MHz Clock 6-6
Audio SSI
Red Tx 6-7
Red Rx 6-8
SYNC. 6-9
BCLK 6-10
RX SSI
CLK. 6-11
DA 6-12
FSYNC. 6-13
TX SSI
CLK. 6-14
DA. 6-15
FSYNC. 6-16
SPI
CLK 6-17
CS 6-18
I2C BUS
SCL 6-19
SCL 5V 6-20
SDA 6-21
One Wire
1-Wire 6-22
GCAI
GPIO0 6-23
GPIO4 / Keyfail during Keyload 6-24
USB
D- 6-25
D+ 6-26
SDRAM
CLK 6-27
CLKX 6-28
FLASH CONTROL
ADV 6-29
CS3 6-30
OE 6-31
RDY 6-32
WE 6-33
Table 6-1. List of Waveforms (Continued)
Waveform
Page
No.

Motorola APX 2000 Specifications

General

Brand	Motorola
Model	APX 2000
Category	Two-Way Radio
Language	English