Cirrus-logic CRD5378 Uživatelský manuál stáhnout pdf (Strana 7)

CRD5378

DS639RD2 7

1.2.1 Default Jumper Settings

* indicates the default 0 Ω jumper installations for CRD5378.

Amplifier CS3301A CS3302A

CH1 U19 R8 + R9 *R10

Table 1. Amplifier Pin 13 Jumper Setting

Input Clock Resistor

EXTERNAL CLOCK R2

1.024 MHz R70

2.048 MHz R4

4.096 MHz R3

32.768 MHz *R60

Table 2. System Clock Input Setting

Digital Filter Clock Resistor

4.096 MHz Manchester R15 + R41 + R42

2.048 MHz Manchester R42

1.024 MHz Manchester R41

32.768 MHz R41+R42

4.096 MHz R15

2.048 MHz R15+R42

1.024 MHz R15+R41

32.768 MHz *Not Populated

Table 3. CS5378 PLL Mode Select Setting (R15, R41, R42)

Sync Source Jumper

RS-485 *R47 + *R48

Direct Output R49 + R50 + R45

Table 4. Input SYNC Source Selection Setting

Sync Source Jumper

SYNC *R71 (Not Populated)

SYNC_IO R71

Table 5. CS5378 SYNC Source Selection Setting

1 2 3 4 5 6 7 8 9 10 11 12 ... 63 64

Features 1
General Description 1
REVISION HISTORY 2
DS639RD2 3 3
IMPORTANT NOTICE 3
TABLE OF CONTENTS 4
LIST OF FIGURES 5
LIST OF TABLES 5
1. INITIAL SETUP 6
1.1 Kit Contents 6
1.2 Hardware Setup 6
1.2.1 Default Jumper Settings 7
1.3 Software Setup 8
1.3.1 PC Requirements 8
1.3.3 USBXpress 8
Driver Installation 8
DS639RD2 9 9
1.4 Self-Testing CRD5378 10
1.4.1 Noise Test 10
1.4.2 Distortion Test 11
2. HARDWARE DESCRIPTION 12
2.1 Block Diagram 12
2.2.1.1 External Inputs - INA 13
2.2.1.5 Input RC Filters 14
2.2.1.4 Input Protection 14
2.2.1.6 Common Mode Bias 15
2.2.2 Differential Amplifiers 16
2.2.2.3 Anti-alias RC Filters 17
2.2.4 Delta-Sigma Test DAC 18
2.2.5 Voltage Reference 18
2.2.5.1 VREF_MOD 19
2.3.1.3 Phase Locked Loop 20
Specification Value 21
Maximum Jitter, RMS 300 ps 21
2.3.2 Microcontroller 22
DS639RD2 23 23
2.3.3 RS-485 Telemetry 24
2.3.3.1 CLK, SYNC 25
2.3.3.2 I 26
C - SCL, SDA, Bypass 26
28 DS639RD2 28
2.5.3 Bypass Capacitors 30
3. SOFTWARE DESCRIPTION 31
3.1 Menu Bar 31
3.2 About Panel 32
3.3 Setup Panel 33
3.3.1 USB Port 34
3.3.2 Digital Filter 35
3.3.3 Analog Front End 36
3.3.4 Test Bit Stream 36
3.3.5 Gain/Offset 37
3.3.6 Data Capture 38
3.3.7 External Macros 39
3.4 Analysis Panel 40
3.4.1 Test Select 41
3.4.2 Statistics 42
3.4.3 Cursor 42
3.4.4 Zoom 43
3.4.5 Refresh 43
3.4.6 Harmonics 43
3.4.7 Spot Noise 43
3.4.8 Plot Error 43
3.5 Control Panel 44
3.5.1 DF Registers 45
3.5.2 DF Commands 45
3.5.3 SPI 45
3.5.4 Macros 46
3.5.5 GPIO 46
3.5.6 Customize 47
3.5.7 External Macros 47
4. BILL OF MATERIALS 48
5. LAYER PLOTS 49
50 DS639RD2 50
DS639RD2 51 51
52 DS639RD2 52
DS639RD2 53 53
54 DS639RD2 54
DS639RD2 55 55
56 DS639RD2 56
6. SCHEMATICS 57
58 DS639RD2 58
DS639RD2 59 59
60 DS639RD2 60
DS639RD2 61 61
62 DS639RD2 62
DS639RD2 63 63
64 DS639RD2 64

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