EM357-RTR Ember, EM357-RTR Datasheet - Page 3

• Manufacturer Part Number: EM357-RTR
• Description: IC RF TXRX ZIGBEE 192KB 48QFN
• Manufacturer: Ember

Specifications of EM357-RTR

• Frequency: 2.4GHz
• Data Rate - Maximum: 250kbps
• Modulation Or Protocol: 802.15.4 Zigbee
• Applications: General Purpose
• Power - Output: 5dBm
• Sensitivity: -100dBm
• Voltage - Supply: 2.1 V ~ 3.6 V
• Current - Receiving: 26mA
• Current - Transmitting: 31mA
• Data Interface: PCB, Surface Mount
• Memory Size: 192kB Flash, 12kB RAM
• Antenna Connector: PCB, Surface Mount
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 48-QFN
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 636-1011-2

Contents
1
2
3
4
5
6
Pin Assignments
Electrical Characteristics
2.1 Absolute Maximum Ratings
2.2 Recommended Operating
2.3 Environmental Characteristics
2.4 DC Electrical Characteristics
2.5 Digital I/O Specifications
2.6 Non-RF System Electrical
2.7 RF Electrical Characteristics
Top-Level Functional Description 3-1
Radio Module
4.1 Receive (Rx) Path
4.2 Transmit (Tx) Path
4.3 Calibration
4.4 Integrated MAC Module
4.5 Packet Trace Interface (PTI)
4.6 Random Number Generator
ARM
Modules 5-1
5.1 ARM
5.2 Embedded Memory
5.3 Memory Protection Unit
System Modules
6.1 Power domains
6.2 Resets
®
Conditions
Characteristics
2.7.1
2.7.2
2.7.3
4.1.1
4.1.2
4.2.1
4.2.2
5.2.1
5.2.2
5.2.3
6.1.1
6.1.2
6.2.1
6.2.2
Cortex
®
Cortex
Receive
Transmit
Synthesizer
Rx Baseband
RSSI and CCA
Tx Baseband
TX_ACTIVE and nTX_ACTIVE
Flash Memory
RAM
Registers
Internally regulated
Externally regulated
Reset Sources
Reset Recording
Signals
power
power
TM
-M3 and Memory
TM
-M3 Microprocessor
Final
2-10
2-12
1-1
2-1
4-1
6-1
2-1
2-1
2-2
2-2
2-6
2-8
2-8
2-8
4-1
4-1
4-1
4-1
4-1
4-1
4-2
4-2
4-2
4-2
5-1
5-2
5-4
5-7
5-8
5-8
6-2
6-2
6-2
6-3
6-3
6-5
EM351 / EM357 Datasheet
7
8
6.3 Clocks
6.4 System Timers
6.5 Power Management
6.6 Security Accelerator
GPIO (General Purpose Input /
Output)
7.1 GPIO Ports
7.2 Configuration
7.3 Forced Functions
7.4 Reset
7.5 Boot Configuration
7.6 GPIO Modes
7.7 Wake Monitoring
7.8 External Interrupts
7.9 Debug Control and Status
7.10 GPIO Signal Assignment Summary
7.11 Registers
Serial Controllers
8.1 Overview
8.2 Configuration
8.3 SPI - Master Mode
6.2.3
6.3.1
6.3.2
6.3.3
6.3.4
6.3.5
6.4.1
6.4.2
6.4.3
6.5.1
6.5.2
6.5.3
6.5.4
6.5.5
7.6.1
7.6.2
7.6.3
7.6.4
8.2.1
8.3.1
Reset Generation Module
High-Frequency Internal
High-Frequency Crystal
Low-Frequency Internal
Low-Frequency Crystal
Clock Switching
Watchdog Timer
Sleep Timer
Event Timer
Wake Sources
Basic Sleep Modes
Further options for deep
Use of debugger with sleep
Registers
Analog Mode
Input Mode
Output Mode
Alternate Output Mode
Registers
GPIO Usage
RC Oscillator (OSCHF)
Oscillator (OSC24M)
RC Oscillator (OSCRC)
Oscillator (OSC32K)
sleep
modes
120-035X-000G
6-10
6-11
6-11
6-11
6-11
6-11
6-12
6-13
6-14
6-14
6-15
6-15
7-10
7-1
8-1
6-5
6-6
6-8
6-8
6-9
6-9
7-1
7-2
7-3
7-4
7-4
7-5
7-5
7-6
7-6
7-6
7-7
7-7
7-8
7-8
8-1
8-2
8-3
8-6
8-6