4: Processor Board
Snapdragon 845 HDK Hardware Development Kit User Guide
16
Subsystem /
Connectors
Feature Set
Description
Specification
PMIC (PM845, PM8005
&PMI8998)
Qualcomm® PMIC, Companion
PMIC for SDA845 processor
PM845 -- Primary core
PMIC. PON, POFF, and
reset master. Generates
system clocking and
tightly coupled chipset
power.
PM8005 -- Secondary
core PMIC. Delivers
tightly coupled chipset
power from opposite side
of the MSM
™
device to
optimize power corridors
on the PCB
PMI8998 -- the interface
PMIC. Most of the input
power management
functions (including
charger) and user
interfaces
Memory
LPDDR4x
6GB LPDDR4X
LPDDR4x up to 1866MHz
UFS
128GB UFS2.1
UFS 2.1
Connectivity
Wi-Fi 2.4 GHz/ 5GHz via
WCN3990
–
Analog IQ, WSI
2.0,
Wi-Fi Atheros WCN3990Wi-Fi +
BT
+FM Combo Chip
802.11a/b/g/n/ac 2.4/5.0
GHz via WCN3990 over
analog IQ, WSI 2.0,
BT 2.4 GHz via WCN3990
–
UART / SLIMbus
Wi-Fi Atheros WCN3990
Wi-Fi + BT +FM Combo Chip
Support BT 5.0 + HS and
backward compatible with
BT 1.x, 2.x + EDR
GNSS via SDR845
–
Qlink
Qualcomm Proprietary
Protocol
GNSS Frontend
GPS/ GLONASS/
COMPASS/Galileo
WiGig via SWL-W33
–
PCIe
Gen2
SWL-W33 BB/MAC and SWL-
W11C
RF based SiP modules
802.11ad-60 GHz
RF
2xWLAN / BT
Connect to antenna on carrier
board via coax cable
2.4/ 5 GHz
1x GNSS
Connect to antenna on carrier
board via coax cable
GPS/ GLONASS/
COMPASS /Galileo