EM250-RTR Ember, EM250-RTR Datasheet - Page 3

• Manufacturer Part Number: EM250-RTR
• Description: IC ZIGBEE SYSTEM-ON-CHIP 48-QFN
• Manufacturer: Ember
• Series: EM250r

Specifications of EM250-RTR

• Frequency: 2.4GHz
• Modulation Or Protocol: 802.15.4 Zigbee
• Applications: Home/Building Automation, Industrial Control and Monitoring
• Power - Output: 3dBm
• Sensitivity: -97dBm
• Voltage - Supply: 2 V ~ 3.6 V
• Current - Receiving: 35.5mA
• Current - Transmitting: 33mA
• Data Interface: PCB, Surface Mount
• Memory Size: 128kB Flash, 5kB SRAM
• Antenna Connector: PCB, Surface Mount
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 48-QFN
• For Use With: 636-1009 - PROGRAMMER USB FLASH EM250/260
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Data Rate - Maximum: -
• Other names: 636-1000-2

Contents
1
2
3
4
Pin Assignment 4
Top-Level Functional Description 10
Electrical Characteristics 12
3.1 Absolute Maximum Ratings 12
3.2 Recommended Operating Conditions 12
3.3 Environmental Characteristics 12
3.4 DC Electrical Characteristics 13
3.5 RF Electrical Characteristics 15
Functional Description—System
Modules 17
4.1 Receive (RX) Path 17
4.2 Transmit (TX) Path 17
4.3 Integrated MAC Module 18
4.4 Packet Trace Interface (PTI) 18
4.5 XAP2b Microprocessor 19
4.6 Embedded Memory 20
4.7 Encryption Accelerator 22
4.8 Reset Detection 23
4.9 Power-on-Reset (POR) 23
4.10 Clock Sources 23
4.11 Random Number Generator 25
4.12 Watchdog Timer 25
3.5.1 Receive 15
3.5.2 Transmit 16
3.5.3 Synthesizer 16
4.1.1 RX Baseband 17
4.1.2 RSSI and CCA 17
4.2.1 TX Baseband 18
4.2.2 TX_ACTIVE Signal 18
4.6.1 Flash Memory 21
4.6.2 Simulated EEPROM 22
4.6.3 Flash Information Area (FIA) 22
4.6.4 RAM 22
4.6.5 Registers 22
4.10.1 High-Frequency Crystal Oscillator
4.10.2 Low-Frequency Oscillator 24
4.10.3 Internal RC Oscillator 24
23
5
6
7
8
9
10 Register Address Table 111
11 Abbreviations and Acronyms 115
12 References 117
4.13 Sleep Timer 25
4.14 Power Management 26
Functional Description—Application
Modules 27
5.1 GPIO 27
5.2 Serial Controller SC1 39
5.3 Serial Controller SC2 60
5.4 General Purpose Timers 79
5.5 ADC Module 97
5.6 Event Manager 100
5.7 Integrated Voltage Regulator 105
SIF Module Programming and Debug
Interface 106
Typical Application 107
Mechanical Details 109
Ordering Information 110
5.1.1 Registers 30
5.2.1 UART Mode 40
5.2.2 SPI Master Mode 42
5.2.3 I
5.2.4 Registers 47
5.3.1 SPI Modes 61
5.3.2 I
5.3.3 Registers 68
5.4.1 Clock Sources 79
5.4.2 Timer Functionality (Counting) 80
5.4.3 Timer Functionality (Output
5.4.4 Timer Functionality (Input
5.4.5 Timer Interrupt Sources 88
5.4.6 Registers 88
5.5.1 Registers 99
5.6.1 Registers 101
Compare) 85
Capture) 87
2
2
C Master Mode 44
C Master Mode 65
120-0082-000I
EM250
3