Figure 23: Set Build Configuration ...................................................................................................... 35
Figure 24: Building Project ble_external_host..................................................................................... 35
Figure 25: Configuration of correct product id DA14680/1-01............................................................. 36
Figure 26: Programming External Flash Using ble_external_host.bin................................................ 36
Figure 27: RX Sensitivity, Dirty Transmitter, Payload = 255, VCC2 = 1.2 V, PIN = -2 dBm................. 39
Figure 28: Nominal Average TX Power, VCC2_FEM = 1.2 V............................................................. 40
Figure 29: Peak Current During a BLE Advertising Event .................................................................. 41
Figure 30: Peak Current During a BLE Connection Event.................................................................. 42
Figure 31: Average Current During Extended Sleep Mode................................................................. 43
Figure 32: Maximum Output Power, CH00, VCC2 = 1.2 V................................................................. 45
Figure 33: Maximum Output Power, CH19, VCC2 = 1.2 V................................................................. 46
Figure 34: Maximum Output Power, CH39, VCC2 = 1.2 V................................................................. 46
Figure 35: Harmonics Level, Lowest Frequency, CH00...................................................................... 48
Figure 36: Harmonics Level, Middle Frequency, CH19 ...................................................................... 48
Figure 37: Harmonics Level, Highest Frequency, CH39..................................................................... 49
Figure 38: Lower Band Edge, CH00 ................................................................................................... 50
Figure 39: Upper Band Edge, CH39 ................................................................................................... 51
Figure 40: FCC Radiated Emission Limits .......................................................................................... 52
Figure 41: Emissions in Restricted Band RA 2.31 GHz to 2.39 GHz, CH00 ...................................... 53
Figure 42: Emissions in Restricted Band RB 2.4835 GHz to 2.5 GHz, CH39 .................................... 54
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
Tables
Table 1: Electrical Characteristics......................................................................................................... 7
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
Table 4: SKY66112-11 Control Signal Description ............................................................................. 15
Table 5: Truth Table for SKY66112-11 ............................................................................................... 15
Table 6: DCF Signal Configuration...................................................................................................... 16
Table 7: SKY66112-11 Control Signal and DCF Timer Configuration ................................................ 16
Table 8: SKY66112-11 TX Output Characteristics.............................................................................. 20
Table 9: SKY66112-11 TX RF Power Output (Note 1) ....................................................................... 21
Table 10: Default Configuration........................................................................................................... 21
Table 11: LNA Modes (Note 1)............................................................................................................ 21
Table 12: SKY66112-11 Antenna Select Logic................................................................................... 22
Table 13: Y1 16 MHz Crystal Characteristics...................................................................................... 24
Table 14: Y2 32 kHz Crystal Characteristics....................................................................................... 24
Table 15: DA14680/681 aQFN60 Pin Assignment.............................................................................. 25
Table 16: DA1468x Development/Test Mode Pin Mapping................................................................ 27
Table 17: BOM of DA14681 Range Extender ..................................................................................... 31
Table 18: RX Sensitivity for VCC2 = 1.2 V (Note 1)............................................................................ 38
Table 19: Nominal Average TX Power, VCC2 = 1.2 V (Note 1).......................................................... 40
Table 20 Typical Peak Current During Advertising Mode (Note 1) ..................................................... 41
Table 21: Typical Peak Current during Connection Mode (Note 1) .................................................... 42
Table 22: Typical Average Current in Extended Sleep Mode (Note 1)............................................... 43
Table 23: FCC 15.247 Compliance Pre-Tests Performed .................................................................. 44
Table 24: Maximum (Peak) Output Power (dBm), VCC2 = 1.2 V, CH00, CH19, CH39 ..................... 45
Table 25: Measured Reference Level................................................................................................. 47
Table 26: Conducted TX Harmonics at CH00, CH19, CH39 .............................................................. 47
Table 27: Emissions Levels in Restricted Areas RA and RB for CH00, CH19 and CH39.................. 53