Smart car watch key -1-
Catalog 1. Document modification record 3 2. Document purpose and control 4 2.1 purpose 4 2.2 Document modification control 4 3. Smart watch key standard 3.1 3.2 3.3 3.4 3.5 3.6 3.7 3.8 3.9 hardware configuration 5 Smart Watch solution 5 Smart watch key solution5 System operation logic 6 Technical parameter6 Design stack diagram 6 Hardware block diagram 7 Important components 7 Important note 8 4. DV experiment requirements 8 5.
2. Document purpose and control 2.1 purpose This specification defines the smart car watch key based on automobile market demand. include module design requirements, product performance description, design experiment requirements, system logic, etc 2.
Through the high and low frequency module, the car watch key has all the functions of the car key: short press to lock and unlock, long press to up and down window and open the tailgate, search for the car, etc. 3.1 Hardware configuration Material Bottom cover Face cover Watchband Watch buckle color PC+PA30%plastic Glass panel TPU（(customizable watchband)） stainless steel Black (optional) Heart rate: dual photoelectric heart rate sensor Calculating the number of steps: 3-axis gravity sensor Display: 1.
can be started in the front and rear areas of the car, and supports the immo function. Low power reminder function When the power is lower than 20%, the low power reminder (vibration and screen display) will be given every other fixed period of time; when the power is lower than 10%, the watch will be closed and the PKE and PEPS functions will be retained, Charging with mobile devices 3.
ON / OFF screen: 1. Press the power button for 3 seconds to turn on the screen and enter the UI of the main interface 2. When the watch system is turned on by default, screen will light up when you lift your wrist. 3. The watch can be set for 5 seconds to 10 seconds without any operation information screen. After 5 seconds, the system will return to the main interface 4.
3.6 Important components NO 1 Project key important materials 1、Chip：Patch MCU_NCF29A1 2、3D inductor：Antenna_X-12702-029 3、 High frequency ceramic antenna：Onboard antenna 433Mhz 1、 Power chip：Patch transfer IC_BQ24045 2、Power chip: Patch power IC_RT9073A-33GQZ 2 Power management 3、battery：402324HV-200mAh 4、Battery conversion chip：Battery conversion ICLSF0204RUTRUQFN,2.0*1.7mm 5、Battery charging chip：Recharge IC_SGM40561-4.35YTDE8G/ TR_2×2 ×0.
6）The matching mode and logic of the watch are the same as the original car key; 4.
2) After soaking in water, you need to wipe it clean with a soft cloth before you can operate the touch screen and charge; 3) The watch is compatible with seawater, casual and alkaline solutions. Aggressive liquids such as chemical reagents are not waterproof; 4) Corresponding certification can be made according to customer requirements, such as CE FCC ROHS GB4943, etc.
FCC Caution This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.
