EFM32G890F64 Energy Micro, EFM32G890F64 Datasheet - Page 420
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: 420 of 463
- Download datasheet (8Mb)
2010-09-06 - d0001_Rev1.00
Figure 29.27. LCD 1/3 Bias and Triplex Multiplexing - LCD_COM2
1/3 bias and triplex multiplexing - LCD_SEG0
The LCD_SEG0 waveform illustrates how different segment waveforms can be multiplexed with the
COM lines in order to turn on and off LCD pixels. As illustrated in the figures below, this waveform will
turn ON pixels connected to LCD_COM1, while pixels connected to LCD_COM0 and LCD_COM2 will
be turned OFF.
Figure 29.28. LCD 1/3 Bias and Triplex Multiplexing - LCD_SEG0
Figure 29.29. LCD 1/3 Bias and Triplex Multiplexing - LCD_SEG0 Connection
1/3 bias and triplex multiplexing - LCD_SEG0-LCD_COM0
• DC voltage = 0 (over one frame)
• V
• The LCD display pixel that is connected to LCD_SEG0 and LCD_COM0 will be OFF with this waveform
Figure 29.30. LCD 1/3 Bias and Triplex Multiplexing - LCD_SEG0-LCD_COM0
1/3 bias and triplex multiplexing - LCD_SEG0-LCD_COM1
• DC voltage = 0 (over one frame)
• V
com 0
com 1
com 2
RMS
RMS
-V
-V
V
V
V
V
V
V
LC1
LC2
LC1
LC2
LC1
LC2
LC2
LC1
= 0.33 V
= 0.64 × V
-V
V
V
V
V
V
V
LC0
(2/3V
LC0
(2/3V
(1/3V
(1/3V
LC0
(2/3V
(1/3V
(1/3V
(2/3V
LC0
LC3
LC3
LC3
Fram e Start
Fram e Start
(V
(V
(V
(V
(V
(V
(V
Fram e Start
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
SS
SS
SS
LCD_OUT
)
)
)
)
)
)
)
)
)
)
)
)
)
)
)
LCD_OUT
Fram e End
Fram e End
Fram e End
...the world's most energy friendly microcontrollers
420
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