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Manuals and User Guides for dialog DA14680. We have
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dialog DA14680 manual available for free PDF download: User Manual
dialog DA14680 User Manual (60 pages)
Range Extender Daughterboard
Brand:
dialog
| Category:
Extender
| Size: 4 MB
Table of Contents
Abstract
1
Contents
2
Table of Contents
2
Figures
3
Tables
4
1 Terms and Definitions
5
2 References
5
3 Introduction
6
Figure 1: PCB of the DA14680/681 Range Extender (224-23-D)
6
4 System Overview
7
Features
7
Table 1: Electrical Characteristics
7
System Description
8
System Interface
8
Figure 2: Block Diagram of Range Extender (224-23-D)
8
Figure 3: Range Extender (224-23-D) on a Da1468X Dev.kit PRO Motherboard
9
Figure 4: Layout of the Range Extender Daughterboard
9
Figure 5: DA14680/681 Range Extender Connected to a Communication Interface Board (CIB)
10
5 Power
11
Figure 6: SW1 Position for each Power Scheme
11
Table 2: Jumper/Switch Settings for Power Schemes of Da1468X Dev.kit PRO Motherboard
11
Table 3: Jumper/Switch Settings for Power Schemes of CIB Board
11
6 Bluetooth Low Energy Soc
12
Figure 7: DA14681 Basic System with External QSPI Flash Memory - Overview
13
7 RF Front End
14
Control Signals
14
Figure 8: RF Front End Signal Paths
14
Figure 9: SKY66112-11 Control Signal Timing
15
Table 4: SKY66112-11 Control Signal Description
15
Table 5: Truth Table for SKY66112-11
15
GPIO Setup
16
Figure 10: DCF Signal Programming
16
Table 6: DCF Signal Configuration
16
Table 7: SKY66112-11 Control Signal and DCF Timer Configuration
16
Power Amplifier
17
Figure 11: SKY66112-11 Front End Module - Overview
18
Figure 12: SKY66112-11 Gain Vs. P
19
Power Modes
19
Power Supply
20
Transmit (TX) Path
20
IN = -2 Dbm
20
Table 8: SKY66112-11 TX Output Characteristics
20
Filtering (Optional)
21
Receive (RX) Path
21
Table 10: Default Configuration
21
Table 11: LNA Modes (Note 1)
21
Table 9: SKY66112-11 TX RF Power Output (Note 1)
21
Antenna
22
Figure 13: Antenna Selection Using P4_0 or a R53 Pull-Down Resistor
22
Figure 14: SKY66112-11 Antenna Ports
22
Table 12: SKY66112-11 Antenna Select Logic
22
Figure 15: ANT1, Printed IFA Antenna and Matching Network (Z4 = 1.8 Pf)
23
Figure 16: Resistive Attenuator between DA14681 and SKY66112-11
23
Resistive Attenuator (Optional)
23
8 Crystals
24
9 QSPI Flash Memory
24
10 TX Output Power Control Circuit
24
Table 13: Y1 16 Mhz Crystal Characteristics
24
Table 14: Y2 32 Khz Crystal Characteristics
24
11 Reference Design Pin Assignment
25
Table 15: DA14680/681 Aqfn60 Pin Assignment
25
12 Development Mode - Peripheral Pin Mapping
27
Table 16: Da1468X Development/Test Mode Pin Mapping
27
13 PCB Assembly
28
Figure 17: Top View of PCBA
28
Figure 18: Bottom View of PCBA
28
13.1 DA14681 Range Extender Schematic
29
13.2 SKY66112-11 Front End Module Schematic
30
13.3 Bill of Materials
31
Table 17: BOM of DA14681 Range Extender
31
14 Application Software Guide: Ble_External_Host
33
Figure 19: Enable FEM Driver in Custom_Config_Qspi.h
33
Figure 20: Flash Connection to V18P Power Rail in Custom_Config_Qspi.h
33
Figure 21: Configure DA14681 Power Output Level at -2 Dbm
34
Figure 22: Include Hw_Rf.h in Main.C
34
Figure 23: Set Build Configuration
35
Figure 24: Building Project Ble_External_Host
35
User Manual Revision 1.1 17-Apr
35
Figure 25: Configuration of Correct Product ID DA14680/1-01
36
Figure 26: Programming External Flash Using Ble_External_Host.bin
36
15 BLE Measurements
37
15.1 Basic Performance Measurements
37
Receiver Sensitivity
38
Test Description
38
Test Setup
38
Test Results
38
Table 18: RX Sensitivity for VCC2 = 1.2 V (Note 1)
38
Figure 27: RX Sensitivity, Dirty Transmitter, Payload = 255, VCC2 = 1.2 V, P
39
Transmitter Output Power
40
Test Description
40
Test Setup
40
Test Results
40
Figure 28: Nominal Average TX Power, VCC2_FEM = 1.2 V
40
Table 19: Nominal Average TX Power, VCC2 = 1.2 V (Note 1)
40
Current Consumption
41
Test Setup
41
Advertising Mode
41
Figure 29: Peak Current During a BLE Advertising Event
41
Table 20 Typical Peak Current During Advertising Mode (Note 1)
41
Connection Mode
42
Figure 30: Peak Current During a BLE Connection Event
42
Table 21: Typical Peak Current During Connection Mode (Note 1)
42
Revision 1.1 17-Apr
42
Extended Sleep Mode
43
Figure 31: Average Current During Extended Sleep Mode
43
Table 22: Typical Average Current in Extended Sleep Mode (Note 1)
43
15.2 BLE FCC Measurements
44
Table 23: FCC 15.247 Compliance Pre-Tests Performed
44
Maximum Output Power and Antenna Gain (Transmitter)
45
Test Specification
45
Test Setup
45
Test Results
45
Figure 32: Maximum Output Power, CH00, VCC2 = 1.2 V
45
Table 24: Maximum (Peak) Output Power (Dbm), VCC2 = 1.2 V, CH00, CH19, CH39
45
Figure 33: Maximum Output Power, CH19, VCC2 = 1.2 V
46
Figure 34: Maximum Output Power, CH39, VCC2 = 1.2 V
46
Emission Limitations Conducted (Transmitter)
47
Test Specification
47
Test Setup
47
Test Results
47
Table 25: Measured Reference Level
47
Table 26: Conducted TX Harmonics at CH00, CH19, CH39
47
Figure 35: Harmonics Level, Lowest Frequency, CH00
48
Figure 36: Harmonics Level, Middle Frequency, CH19
48
Figure 37: Harmonics Level, Highest Frequency, CH39
49
Band Edge Emissions Compliance (Transmitter)
50
Test Specification
50
Test Setup
50
Test Results
50
Figure 38: Lower Band Edge, CH00
50
Figure 39: Upper Band Edge, CH39
51
Emission Limitations Radiated (Transmitter)
52
Test Specification
52
Test Setup
52
Test Results
52
Figure 40: FCC Radiated Emission Limits
52
Figure 41: Emissions in Restricted Band RA 2.31 Ghz to 2.39 Ghz, CH00
53
Table 27: Emissions Levels in Restricted Areas RA and RB for CH00, CH19 and CH39
53
Figure 42: Emissions in Restricted Band RB 2.4835 Ghz to 2.5 Ghz, CH39
54
Appendix A Application Software Guide: Ble_Adv_Demo
55
Figure 43: Enable FEM Driver in Custom_Config_Qspi.h
55
Figure 44: Flash Connection to V18P Power Rail in Custom_Config_Qspi.h
55
Figure 45: Configure DA14681 Power Output Level at -2 Dbm
56
Figure 46: Include Hw_Rf.h in Main.C
56
Figure 47: Set Build Configuration
57
Figure 48: Building Project Ble_Adv
57
Figure 49: Programming External Flash Using Ble_Adv.bin
58
Revision History
59
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