EFM32G890F64 Energy Micro, EFM32G890F64 Datasheet - Page 431
EFM32G890F64
Manufacturer Part Number
EFM32G890F64
Description
MCU 32BIT 64KB FLASH 112-BGA
Manufacturer
Energy Micro
Series
Geckor
Datasheets
1.EFM32-G890F128-SK.pdf
(70 pages)
2.EFM32-G890F128-SK.pdf
(10 pages)
3.EFM32G200F16.pdf
(463 pages)
4.EFM32G200F16.pdf
(136 pages)
Specifications of EFM32G890F64
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, LCD, POR, PWM, WDT
Number Of I /o
90
Program Memory Size
64KB (64K x 8)
Program Memory Type
FLASH
Ram Size
16K x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 3.8 V
Data Converters
A/D 8x12b, D/A 2x12b
Oscillator Type
External
Operating Temperature
-40°C ~ 85°C
Package / Case
112-LFBGA
Processor Series
EFM32G890
Core
ARM Cortex-M3
Data Bus Width
32 bit
Data Ram Size
16 KB
Interface Type
I2C, UART
Maximum Clock Frequency
32 MHz
Number Of Programmable I/os
90
Number Of Timers
3
Operating Supply Voltage
1.8 V to 3.8 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
Minimum Operating Temperature
- 40 C
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Lead Free Status / Rohs Status
Details
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
- EFM32-G890F128-SK PDF datasheet
- EFM32-G890F128-SK PDF datasheet #2
- EFM32G200F16 PDF datasheet #3
- EFM32G200F16 PDF datasheet #4
- Current page: 431 of 463
- Download datasheet (8Mb)
29.3.12 LCD in Low Energy Modes
29.3.13 Register access
2010-09-06 - d0001_Rev1.00
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
Since this module is a Low Energy Peripheral, and runs off a clock which is asynchronous to
the HFCORECLK, special considerations must be taken when accessing registers. Please refer to
Section 5.3 (p. 18) for a description on how to perform register accesses to Low Energy Peripherals.
• 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.
EVENT
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