1 QCOM
WCD: wafer codec/decode
WCN: wireless connectivity network
WTR: Wafer Transceiver
RTR: Radio Transceiver
QCA: Qualcomm Atheros
QFE: Qualcomm Front-end
RFFE: Radio Frequency Front-end
HDET: High Power Detector
ASM: Anntena Switch Module
MTP: Modem Test Platform
CDP: Core Development Platform
FFA: Form Factor Accurate
SURF: Subscriber Unit Reference Platform
XPU: Embedded Memory Protected Unit
UniPro: Universal Protocol
FLCB: Fast Low Current Boot
MSM: Mobile Station Modem
APQ: Application Processor Qualcomm
SRLTE: Simultaneous Radio and LTE
QSD: Qualcomm Snapdragon
MDM: Mobile Data Modem
MPQ: Media Processor Qualcomm
QSC: Qualcomm Single Chip
QPNP: Qualcomm Plug and Play
PBM: Phonebook Manager
FSG: A golden file system
modemst: modem efs partition
EDL: Emergency Download
mbn: Modem Configuration binary
CV: customer visit
FFBM: fast factory boot mode
PMxxxx: xxxx PMIC Core
PMIxxxx: xxxx PMIC Interface
SCHG: Switching charger
TCSR: Top Control and Status Register
IOC: Interrupt on Completion, DWC3
ISP: Image signal processor
ISP: Interrupt-on Short Packet, DWC3
CSP: Continue on Short Packet , DWC3
IOA: Interrupt on ACK, USB
IOT: Interrupt on token, USB
IAA: Interrupt on async advance, EHCI
PC: parallel charger (并联充电模组)
haptics: 触觉反馈
Alternative Mode: 替代模式
HVDCP3: DPF_DMF values for floating(non-drive mode) and DPR_DMR values for removing the float of DP/DM lines.
ThreadX: X means context switching
CAT M1: Category Minus 1
MTC: Machine Type Communications
DSR: Deferred Service Routine
HKADC: Housekeeping ADC, 交互管理ADC
KBA: Knowledge base article
DRI: Directly Responsible Individual
GDHS: Globally Distributed Head Switch(L2 cache)
RMA: Return Material Authorization
IPO: instant power on
QCMAP: Qualcomm Mobile Access Point Service
Gobi: Global Mobile Internet
SDA: Snapdragon Auto
Snapdragon Mobile (SDM) = MSM
Snapdragon Modem (SDX) = MDM
Snapdragon Mobile (Compute) (SDA) = APQ
Snapdragon Mobile (Compute) (SDC) = MSM
SDW: Snapdragon Wear
SDW1100 = MDM9207-1
SDW1200 = 取MDM9206的Modem和Snapdragon Wear 1100/2100的AP
SDW2100 = MSM8909w
GRL：Granite River Labs ，美国工程测试认证实验室
2 Charge
2.1 MTK Charge
VCHG：USB正极
VCDT：VCHG Charger Detect充电电压检测脚
ISENSE：充电电流检测电阻的正极
BATSNS：充电电流检测电阻的负极
BAT：电池正极引脚
BAT_ON：电池NTC (热敏电阻) 引脚
RECHARGING_VOLTAGE: 回充电压
OCV：Open Circuit Voltage，开路电压
VC (=VBAT)：Voltage of Closed Circuit，闭路电压，Charge ADC采样的到电压就是闭路电压
mAh：放电容量
DOD：Depth of Discharging，放电深度百分比
R (battery)：电池内阻，(V2-V1)/400mA
CAR：库仑计
Cmax/Qmax：电池容量
SOP: Standard Operation Procedure，操作指导
ZCV：Zero current Voltage，一般指ZCV表格，也是开路电压的意思
2.2 Misc
VOOC：Voltage Open-Looped, Multi-Step Constant-Current Charging，电压开环，多步恒流充电
3 GPS
EPO: Extended Prediction Orbit
GGA: Global Positioning System Fix Data，定位信息
GLL: Geographic Position, Latitude/Longitude，地位地理信息
GSA: GPS DOP and Active Satellites，当前卫星信息
GSV: GPS Satellites in View，可見卫星信息
RMC: Recommend Minimum Specific GPS/TRANSIT Data，推荐定位信息
VTG: Track Made Good and Ground Speed，地面速度信息
ZDA: Time & Date，时间日期信息
4 MCU
CC2540: ChipCon
MSP: TI, Mixed Signal Processor
EFM32: Silicon Labs, Energy Friendly Microcontroller
LPC: NXP, Low Power Consumption
5 Misc
RMA：Return Materials Authorization，芯片失效测试
一般是指公司内部的退货流程，假设一公司售出某物品, 因为品质问题或出错货，客户要求退货，公司经过与客户沟通后，确认客户可以退货。
SOP：Standard Operation Procedure，操作指导
SOP：Start Of Production，开始量产
MFF：eSIM M2M form factors
6 NXP
Access.bus: USB前身
i.MX: innovative Multimedia eXtended
ISPxxx USB IC: 使用SRAM接口（ISA）连到CPU上。
MQX RTOS: Message Queue eXecutive
7 Sensor
PDR: Pedestrian Dead Reckoning，室内定位(计算相对位置的定位方法)
PDR定位是一种基于传感器信息计算相对位置的定位方法，首先通过加速度传感器检测行人的步数并计算出步长，然后通过磁阻传感器和陀螺仪计算出行人的航向角，最后获取人体移动的相对位置从而实现定位。相较于其他室内定位方法，PDR不受外界环境影响，定位精度较高，但只能获取相对位置信息且存在累积误差。
PPG: photoplethysmography，光电心率传感器，Apple Watch用的就是这种
8 USB
CCG2: Type-C Controller Generation 2
EZ-USB: AnchorChips
TDI: TransDimension Inc.
ARC: Advanced RISC Argonant
ISP1681/PDIUSBD12: parallel data interface，使用SRAM接口，类似于ISA总线
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