Silicon Laboratories EFM32G Manuals

Manuals and User Guides for Silicon Laboratories EFM32G. We have 1 Silicon Laboratories EFM32G manual available for free PDF download: Reference Manual

Silicon Laboratories EFM32G Reference Manual (505 pages)

Brand: Silicon Laboratories | Category: Microcontrollers | Size: 7 MB

Table of Contents

495
- 1 Energy Friendly Microcontrollers
  
  2
  - Typical Applications
    2
  - EFM32G Development
    2
- 2 About this Document
  
  3
  - Conventions
    3
  - Register Access Types
    3
  - Related Documentation
    4
- 3 System Overview
  
  5
  - Introduction
    5
  - Features
    5
  - Block Diagram
    6
  - Energy Modes
    7
  - Product Overview
    8
  - Energy Mode Description
    8
  - EFM32G Microcontroller Series
    8
  - Device Revision
    9
  - Minor Revision Number Interpretation
    10
- 4 System Processor
  
  11
  - Introduction
    11
  - Features
    11
  - Functional Description
    12
  - Interrupt Operation
    12
    
    Interrupt Request Lines (IRQ)
    12
    
    Lcd
    13
  - Vcmp
    13
- 5 Memory and Bus System
  
  14
- 6 DBG - Debug Interface
  
  25
  - Introduction
    25
  - Features
    25
  - Functional Description
    25
  - Debug Lock and Device Erase
    26
  - Device Unlock
    27
    
    Register Map
    28
    
    Register Description
    28
- 7 MSC - Memory System Controller
  
  30
  - Introduction
    30
  - Features
    30
  - Functional Description
    31
  - MSC Flash Memory Mapping
    31
  - Lock Bits
    32
  - Register Map
    35
  - Register Description
    35
- 8 DMA - DMA Controller
  
  41
- 9 RMU - Reset Management Unit
  
  80
  - Introduction
    80
  - Features
    80
  - Functional Description
    80
  - RMU Reset Cause Register Interpretation
    81
  - Register Map
    84
  - Register Description
    84
- 10 EMU - Energy Management Unit
  
  86
  - Introduction
    86
  - Features
    86
  - Functional Description
    87
  - EMU Overview
    87
    
    EMU Energy Mode Overview
    89
    
    EMU Entering a Low Energy Mode
    90
    
    EMU Wakeup Triggers from Low Energy Modes
    91
    
    Register Map
    92
    
    Register Description
    92
- 11 CMU - Clock Management Unit
  
  95
  - Introduction
    95
  - Features
    95
  - Functional Description
    96
  - CMU Overview
    97
  - CMU Switching from HFRCO to HFXO before HFXO Is Ready
    100
  - CMU Switching from HFRCO to HFXO after HFXO Is Ready
    100
    
    Register Map
    103
    
    Register Description
    104
- 12 WDOG - Watchdog Timer
  
  123
  - Introduction
    123
  - Features
    123
  - Functional Description
    123
  - WDOG Timeout Equation
    124
    
    Register Map
    125
    
    Register Description
    125
- 13 PRS - Peripheral Reflex System
  
  128
  - Introduction
    128
  - Features
    128
  - Functional Description
    128
  - PRS Overview
    129
    
    Reflex Producers
    129
    
    Reflex Consumers
    130
    
    Register Map
    132
    
    Register Description
    132
- 14 EBI - External Bus Interface
  
  136
- 100 C - Inter-Integrated Circuit Interface
  
  173
  - Introduction
    173
  - Features
    173
  - Functional Description
    174
  - C Pull-Up Resistor Equation
    174
  - C START and STOP Conditions
    175
    
    C Reserved I C Addresses
    176
    
    C High and Low Periods for Low CLKDIV
    178
  - C Maximum Transmission Rate
    178
  - C High and Low Cycles Equations
    178
  - Maximum Data Hold Time
    178
    
    C Clock Mode
    179
  - C Master State Machine
    181
    
    C Interactions in Prioritized Order
    182
    
    C Master Transmitter
    184
    
    C Master Receiver
    186
    
    C STATE Values
    187
    
    C Transmission Status
    187
  - C Slave State Machine
    188
    
    C Slave Transmitter
    190
    
    C - Slave Receiver
    191
    
    C Bus Error Response
    192
    
    Register Map
    195
    
    Register Description
    195
- 16 USART - Universal Synchronous Asynchronous Receiver/Transmitter
  
  207
  - Introduction
    207
  - Features
    207
  - Functional Description
    208
  - USART Overview
    208
  - USART Asynchronous Frame Format
    209
    
    USART Asynchronous Vs. Synchronous Mode
    209
    
    USART Pin Usage
    209
    
    USART Data Bits
    210
    
    USART Stop Bits
    210
    
    USART Parity Bits
    211
    
    USART Oversampling
    211
  - USART Baud Rate
    211
  - USART Desired Baud Rate
    211
    
    USART Baud Rates @ 4Mhz Peripheral Clock
    212
  - USART Sampling of Start and Data Bits
    216
  - USART Sampling of Stop Bits When Number of Stop Bits Are 1 or more
    217
  - USART Transmission of Large Frames
    220
  - USART ISO 7816 Data Frame Without Error
    222
  - USART ISO 7816 Data Frame with Error
    223
    
    USART SPI Modes
    224
  - USART Synchronous Mode Bit Rate
    224
  - USART Synchronous Mode Clock Division Factor
    224
    
    USART Irda Pulse Widths
    228
    
    Register Map
    229
    
    Register Description
    229
- 17 UART - Universal Asynchronous Receiver/Transmitter
  
  247
  - Introduction
    247
  - Features
    247
  - Functional Description
    248
  - Register Description
    248
  - Register Map
    248
  - UART Limitations
    248
- 18 LEUART - Low Energy Universal Asynchronous Receiver/Transmitter
  
  249
  - Introduction
    249
  - Features
    249
  - Functional Description
    250
  - LEUART Parity Bit
    251
  - LEUART Baud Rate Equation
    251
  - LEUART CLKDIV Equation
    251
    
    LEUART Baud Rates
    252
  - LEUART Optimal Sampling Point
    255
  - LEUART Actual Sampling Point
    255
    
    Register Map
    261
    
    Register Description
    261
- 19 TIMER - Timer/Counter
  
  274
  - Introduction
    274
  - Features
    274
  - Functional Description
    275
  - TIMER Quadrature Encoded Inputs
    279
  - TIMER Quadrature Decoder Configuration
    279
    
    TIMER Counter Response in X2 Decoding Mode
    280
    
    TIMER Counter Response in X4 Decoding Mode
    280
  - TIMER Rotational Position Equation
    280
  - TIMER Input Capture Buffer Functionality
    282
  - TIMER Input Capture
    283
  - TIMER Up-Count Frequency Generation
    285
  - TIMER Up-Count PWM Generation
    285
    
    TIMER Up-Count Frequency Generation Equation
    285
    
    TIMER Up-Count PWM Resolution Equation
    285
    
    TIMER Up-Count PWM Frequency Equation
    285
    
    TIMER Up-Count Duty Cycle Equation
    285
  - TIMER Up/Down-Count PWM Generation
    286
    
    TIMER Up/Down-Count PWM Resolution Equation
    286
    
    TIMER Up/Down-Count PWM Frequency Equation
    286
    
    TIMER Up/Down-Count Duty Cycle Equation
    286
    
    TIMER Events
    291
    
    Register Map
    292
    
    Register Description
    293
- 20 RTC - Real Time Counter
  
  310
  - Introduction
    310
  - Features
    310
  - Functional Description
    310
  - RTC Overview
    311
    
    RTC Frequency Equation
    311
    
    RTC Resolution Vs Overflow
    312
    
    Register Map
    314
    
    Register Description
    314
- 21 LETIMER - Low Energy Timer
  
  319
  - Introduction
    319
  - Features
    319
  - Functional Description
    320
  - LETIMER Repeat Modes
    321
  - LETIMER Clock Frequency
    325
    
    LETIMER Underflow Output Actions
    326
  - LETIMER Triggered Operation
    328
  - LETIMER Continuous Operation
    329
    
    Register Map
    332
    
    Register Description
    332
- 22 PCNT - Pulse Counter
  
  341
  - Introduction
    341
  - Features
    341
  - Functional Description
    341
  - PCNT Overview
    342
    
    PCNT QUAD Mode Counter Control Function
    344
    
    Register Map
    347
    
    Register Description
    347
- 23 ACMP - Analog Comparator
  
  354
  - Introduction
    354
  - Features
    354
  - Functional Description
    355
  - ACMP Overview
    355
    
    Bias Configuration
    356
  - VDD Scaled
    357
  - Capacitive Sensing Set-Up
    358
    
    Register Map
    359
    
    Register Description
    359
- 24 VCMP - Voltage Comparator
  
  365
  - Introduction
    365
  - Features
    365
  - Functional Description
    366
  - VCMP Overview
    366
    
    Bias Configuration
    366
  - DD Trigger Level
    367
    
    Register Map
    369
    
    Register Description
    369
- 25 ADC - Analog to Digital Converter
  
  373
  - Introduction
    373
  - Features
    373
  - Functional Description
    374
  - ADC Overview
    375
    
    ADC Total Conversion Time (in ADC_CLK Cycles) Per Output
    375
  - ADC Conversion Timing
    376
  - ADC Temperature Measurement
    378
  - ADC Conversion Tailgating
    380
    
    ADC Single Ended Conversion
    380
    
    ADC Differential Conversion
    381
    
    Oversampling Result Shifting and Resolution
    381
    
    ADC Results Representation
    382
    
    Calibration Register Effect
    383
    
    Register Map
    384
    
    Register Description
    384
- 26 DAC - Digital to Analog Converter
  
  397
  - Introduction
    397
  - Features
    397
  - Functional Description
    398
  - DAC Overview
    398
  - DAC Clock Prescaling
    399
  - DAC Single Ended Output Voltage
    400
  - DAC Differential Output Voltage
    400
  - DAC Sine Mode
    401
    
    DAC Sine Generation
    401
    
    Register Map
    403
    
    Register Description
    403
- 27 AES - Advanced Encryption Standard Accelerator
  
  412
  - Introduction
    412
  - Features
    412
  - Functional Description
    412
  - Register Map
    416
  - Register Description
    416
- 28 GPIO - General Purpose Input/Output
  
  424
  - Introduction
    424
  - Features
    424
  - Functional Description
    425
  - Pin Configuration
    426
  - Open-Drain
    427
    
    Register Map
    431
    
    Register Description
    432
- 29 LCD - Liquid Crystal Display Driver
  
  446
  - Introduction
    446
  - Features
    446
  - Functional Description
    447
  - LCD Block Diagram
    447
    
    LCD Mux Settings
    448
    
    LCD BIAS Settings
    448
    
    LCD Wave Settings
    448
  - LCD 1/2 Bias and Duplex Multiplexing - LCD_SEG0
    450
    
    LCD Contrast
    460
    
    LCD Contrast Function
    461
    
    LCD Principle of Contrast Adjustment for Different Bias Settings
    461
    
    Lcd
    461
    
    Lcd
    462
    
    BOOST Frequency
    462
    
    LCD Frame Rate Conversion Table
    463
    
    LCD Update Data Control (UDCTRL) Bits
    463
  - LCD Frame Rate Calculation
    463
    
    Fcpresc
    464
  - LCD Event Frequency Equation
    464
    
    LCD Animation Shift Register
    466
    
    LCD Animation Pattern
    466
    
    LCD Animation Example
    466
    
    Register Map
    469
    
    Register Description
    469
- 30 Revision History
  
  485
  - Revision 1.30
    485
  - Revision 1.20
    485
  - Revision 1.10
    485
  - Revision 1.00
    486
  - Revision 0.84
    487
  - Revision 0.83
    489
  - Revision 0.82
    490
  - Revision 0.81
    490
  - Revision 0.80
    490
  - Abbreviations
    491
  - Disclaimer and Trademarks
    493
    
    Disclaimer
    493
    
    Trademark Information
    493
  - Contact Information
    494
List of Equations

504

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Silicon Laboratories EFM32G Manuals

Silicon Laboratories EFM32G Reference Manual (505 pages)

Table of Contents

Table of Contents

1 Energy Friendly Microcontrollers

2 About this Document

3 System Overview

4 System Processor

5 Memory and Bus System

6 DBG - Debug Interface

7 MSC - Memory System Controller

8 DMA - DMA Controller

9 RMU - Reset Management Unit

10 EMU - Energy Management Unit

11 CMU - Clock Management Unit

12 WDOG - Watchdog Timer

13 PRS - Peripheral Reflex System

14 EBI - External Bus Interface

100 C - Inter-Integrated Circuit Interface

16 USART - Universal Synchronous Asynchronous Receiver/Transmitter

17 UART - Universal Asynchronous Receiver/Transmitter

18 LEUART - Low Energy Universal Asynchronous Receiver/Transmitter

19 TIMER - Timer/Counter

20 RTC - Real Time Counter

21 LETIMER - Low Energy Timer

22 PCNT - Pulse Counter

23 ACMP - Analog Comparator

24 VCMP - Voltage Comparator

25 ADC - Analog to Digital Converter

26 DAC - Digital to Analog Converter

27 AES - Advanced Encryption Standard Accelerator

28 GPIO - General Purpose Input/Output

29 LCD - Liquid Crystal Display Driver

30 Revision History

List of Equations

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