1 V3.3 (30-Dec-2021)

• Updated logo, disclaimer, copyright.

2 V3.2 (17-Jan-2017)

• Features (p.1):

• Added Ultra-Thin WLCSP34 package (nominal thickness: 0.334 mm).

• Section 3 (Ordering Information), p.7:

• Added part number for Ultra-Thin WLCSP34: DA14581-00000VRA.

• Section 7.4 (Package Outlines), p.152:

• Added Figure 14 (Ultra-Thin WLCSP34 Package Outline).

3 V3.1 (10-Nov-2016)

• DA14581 qualified to Bluetooth Specification 4.2. Datasheet title and document content changed accordingly.

• Bluetooth Smart changed to Bluetooth low energy as per Bluetooth SIG directive.

• Section 4.7.2 (Wake-Up Timer), p.13:

• Added minimum pulse width of 2 sleep clock cycles for wake-up via GPIO.

• Table 126 (SPI_CTRL_REG), p.93: Definition of SPI_MINT corrected:

• ICU changed to Interrupt Controller.

• Note on shared interrupts (SPI_INT and AD_INT) removed: not applicable.

• Figure 13 (WLCSP34 Package Outline Drawing), p.151:

• Drawing updated to Rev F. Reason: Min and Max values added for dimensions D and E (body size).

• Back page:

• Definition for datasheet status Final clarified.

• Disclaimer updated with trademarks statement.

• RoHS statement updated.

4 V3.0 (18-Dec-2015)

• Product status changed to Production, datasheet status changed to Final.

• Table 1 (Pin Description), p.6:

• Programming voltage on pin VPP corrected to 6.7 V ± 0.1 V.

• Ordering information moved to new section 3 (p.7):

• Table 2: Ordering information (samples).

• Table 3: Ordering information (production).

• Part number legend added.

• Figure 12 (p.171): Package outline drawing of QFN40 updated.

• Table 221 (P01_PADPWR_CTRL_REG), p.129:

• Notes 3 and 4 updated with limited output current capability in Boost mode.

• Table 222 (P2_PADPWR_CTRL_REG), p.129:

• Note 5 updated with limited output current capability in Boost mode.

• Table 223 (P3_PADPWR_CTRL_REG), p.130:

• Note 6 updated with limited output current capability in Boost mode.