EFM32TG210F32 Energy Micro, EFM32TG210F32 Datasheet - Page 493
EFM32TG210F32
Manufacturer Part Number
EFM32TG210F32
Description
MCU 32BIT 32KB FLASH 32-QFN
Manufacturer
Energy Micro
Series
Tiny Geckor
Specifications of EFM32TG210F32
Core Processor
ARM® Cortex-M3™
Core Size
32-Bit
Speed
32MHz
Connectivity
EBI/EMI, I²C, IrDA, SmartCard, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, DMA, POR, PWM, WDT
Number Of I /o
24
Program Memory Size
32KB (32K x 8)
Program Memory Type
FLASH
Ram Size
4K x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 3.8 V
Data Converters
A/D 4x12b, D/A 1x12b
Oscillator Type
External
Operating Temperature
-40°C ~ 85°C
Package / Case
32-VQFN Exposed Pad
Processor Series
EFM32
Core
ARM Cortex-M3
Data Bus Width
32 bit
Data Ram Size
32 KB
Interface Type
UART, I2C, SPI
Maximum Clock Frequency
32 MHz
Number Of Programmable I/os
17
Number Of Timers
1
Operating Supply Voltage
1.8 V to 3.8 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
Processor To Be Evaluated
EFM32TG210
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Lead Free Status / Rohs Status
Details
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29.3.13 LCD in Low Energy Modes
2010-12-21 - d0034_Rev0.90
In the table, AREGASC = 10, AREGBSC = 10, ALOGSEL = 1 and the resulting data is be displayed on
segment lines 7-0 multiplexed with LCD_COM0.
Figure 29.44. LCD Block Diagram of the Animation Circuit
Example 29.2. LCD Animation Enable Example
• Write data into the animation registers LCD_AREGA, LCD_AREGB
• Enable the correct shift direction (if any)
• Decide which logical function to perform on the registers
• Configure the right animation period (CLK
• Enable the animation pattern and frame counter (AEN = 1, FCEN = 1)
For updating data in the LCD while it is running an animation, and the new animation data depends on
the pattern visible on the LCD, see the following example.
Example 29.3. LCD Animation Dependence Example
• Enable the LCD interrupt (the interrupt will be triggered simultaneously as the Animation State machine
• In the interrupt handler, read back the current state (ASTATE)
• Knowing the current state of the Animation State Machine makes it possible to calculate what data
• Modify data as required (Data will be updated at the next Frame Counter Event). It is important that
As long as the LFACLK is running (EM0-EM2), the LCD controller continues to output LCD waveforms
according to the data that is currently synchronized to the LCD Driver logic. In addition, the following
features are still active if enabled:
• Animation State Machine
• Blink
• LCD Event Interrupt
• ALOGSEL = 0: Data_out = LCD_AREGA & LCD_AREGB
• ALOGSEL = 1:Data_out = LCD_AREGA | LCD_AREGB
changes state)
that is currently output
new data is written before the next Frame Counter Event.
CLK
SEGD0[ 7:0]
EVENT
AREGASC = 1 = > shift left
AREGASC = 2 = > shift right
Odd anim ation states
AREGBSC = 1 = > shift left
AREGBSC = 2 = > shift right
Even anim ation states
AREGA
AREGB
EVENT
...the world's most energy friendly microcontrollers
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ALOGSEL
www.energymicro.com
Data Out[ 7:0]
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