User's Manual

LE920A4 HW User Guide Document History
Doc#: 1VV0301261 FCC/ISED Regulatory notices
Rev. 4.3 Page 121 of 123 2017-12-07
Revisi
on
Date Changes
3.0 2016-09-01 Official Release;
Merged and updated the Applicability table (p.2) based on
previous Section 1.6
Section 1.5 : Updated the table of related documents
Section 2.6.1 : Updated the table of RF bands
Section 3.1 : Few updates in the table of pin-out
Section 6.1 : Added voltage ripple requirement
Section 6.1: Table 18 : Added current consumption values
Section 9.1: Updated description
Section 9.2: Updated the RTC consumption
Section 9.4.1: Updated description
Section 11.5: Added sub-sections 11.5.1 and 11.5.2
Section 12: Updated table
Section 12.2 : Added information about Tape & Reel packing
General editing and formatting
2.7 2016-06-15 Official Release;
Sec. 2.5.1: Storage temp. is 105 deg.C max.
Sec. 3.1 : Updates about pads E8, AN8
Previous Sec. 4.2 (Limiting Values) – Removed
New Sec. 4.2 : Updated min. supply voltage levels
Sec 4.3 : Updated Logic Level Specification
Sec 5.3.3: Updated Reset connection (added future support)
Sec 5.2: Updated “Initialization and Activation state”
Sec. 5.3.3 : Added recommendation and diagram for future
compatibility
Sec. 8 : All hardware interfaces are gathered under this section
A summary table of the module interfaces is presented
Updated number of available GPIO’s inside the summary
table
Sec. 8.6.2 : Updated the Digital Audio specifications
Sec. 9.4.1 : Updated the ADC range of input level
Sec. 10.3 : Updated the “Recommended footprint” figure
(was previously mistaken)
Added “PRELIMINARY” on top of each page