Data Sheet

Hangzhou Grom Technology Co.,Ltd.
Add: Room800,Building3#,Longtan Rd 16#,Cangqian street, Hangzhou City, China. 311121
Website：www.gromiot.com 3
 Wide range of interfaces (both analog and digital):
 20 x GPIO
 12-bit 1 Msps SAR ADC
 3 x USART transceiver
 2 x I
2
C
 IEEE 802.15.4 compliant transceiver
 Optional antenna reference designs
1.4. Advantage
 Small package for small devices
 Leading link budget
 4 PCB board, good ESD/EMC protection ability.
 Ample memory for software application
 Mesh networking capability
 ISM worldwide license-free operation
1.5. Abbreviations and Acronyms
ADC Analog-to -Digital Converter
API Application Programming Interface
DC Direct Current
DTR Data Terminal Ready
DIP Duap In-line package
EEPROM Electrically Erasable Programmable Read-Only Memory
ESD Electrostatic Discharge
GPIO General Purpose Input/Output
HAL Hardware Abstraction Layer
HVAC Heating, Ventilating and Air Conditioning
HW Hardware
TWI Inter-Integrated Circuit
IEEE Institute of Electrical and Electrionics Engineers
IRQ Interrupt Request
ISM Industrial, Scientific and Medical radio band
JTAG Digital interface for debugging of embedded device, also known as IEEE
1149.1 standard interface
MAC Medium Access Control layer
MCU Microcontroller Unit. In this document it also means the processor, which is