unicore UM980 - Revision History

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Revision History
Version
Revision History
Date
R1.0
First release
2022-08
R1.1
 If hot start is not used, V_BCKP should be connected to VCC;
 Updated the IO threshold in Table 2-4;
 Added section 3.1: Recommended Minimal Design;
 Updated the recommended thickness of the stencil in Chapter 4
2022-10
R1.2
 Updated the supported frequencies;
 Updated the TTFF;
 Added chapter 3.5: Recommended PCB Package Design;
 Optimized Chapter 3.2 Antenna Feed Design;
 Optimized Chapter 3.3 Power-on and Power-off
2023-04
R1.3
Added PPP accuracy in section 1.2
2023-09
R1.4
 Updated section 3.3 Power-on and Power-off;
 Added the placement direction of UM980 in Figure 5-3
2024-03
R1.5
2024-09
 Added the sensitivity specification;
 Added requirements for the RSV and NC pins; modified pin 35
from RSV to NC.