HE910 Hardware User Guide
1VV0300925 Rev. 32 Page 109 of 111 2019-11-25
17. DOCUMENT HISTORY
Added DVI app note references; chapter 4.1
Updated audio, on_off/reset and digital sections
Added STAT_LED info, Updated SPI pinout
Pads A8, A9, D14, A14 now reserved
Power supply extended to 3.3 V
par 4.3 renamed as “unconditional shutdown”
USIF0 USIF1 names added to Main and AUX
serial ports
Updated IO logic levels
Updated module’s mechanical drawing
IO levels selection 1.8/1.2 removed (now only
1.8)
Added HE910-GA and –D; added Conformity
assessment chapter
Added ADC in pinout description; added GPS
specification; updated Chapter 13 and 14;
Chapter 2.1, 2.1.2, 3.3, 5.4, 14.9
Added HE910-EU and NA products
Added EUR, EUD, NAR, NAD variants; added
Sensitivity and TX Power Class specifications.
Updated par 14.7.1 and 14.3
Updated Chapter 16.2; 7.3.8
Pin R13 renamed as HW_SHUTDOWN*, Pin
P11 renamed