EFM32G890F64 Energy Micro, EFM32G890F64 Datasheet - Page 423

• Manufacturer Part Number: EFM32G890F64
• Description: MCU 32BIT 64KB FLASH 112-BGA
• Manufacturer: Energy Micro
• Series: Geckor

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

2010-09-06 - d0001_Rev1.00
Figure 29.39. LCD 1/3 Bias and Quadruplex Multiplexing - LCD_SEG0-LCD_COM0
1/3 bias and quadruplex multiplexing - LCD_SEG0-LCD_COM1
• DC voltage = 0 (over one frame)
• V
• The LCD display pixel that is connected to LCD_SEG0 and LCD_COM1 will be OFF with this waveform
Figure 29.40. LCD 1/3 Bias and Quadruplex Multiplexing - LCD_SEG0-LCD_COM1
1/3 bias and quadruplex multiplexing - LCD_SEG0-LCD_COM2
• DC voltage = 0 (over one frame)
• V
• The LCD display pixel that is connected to LCD_SEG0 and LCD_COM2 will be ON with this waveform
Figure 29.41. LCD 1/3 Bias and Quadruplex Multiplexing - LCD_SEG0-LCD_COM2
1/3 bias and quadruplex multiplexing - LCD_SEG0-LCD_COM2
• DC voltage = 0 (over one frame)
• V
• The LCD display pixel that is connected to LCD_SEG0 and LCD_COM3 will be OFF with this waveform
RMS
RMS
RMS
-V
-V
-V
-V
-V
-V
V
V
V
V
V
V
LC1
LC2
LC1
LC2
LC2
LC1
LC1
LC2
LC2
LC1
LC2
LC1
-V
-V
-V
= 0.33 × V
= 0.58 × V
= 0.33 × V
V
V
V
V
V
V
LC0
LC0
LC0
(2/3V
LC0
(2/3V
(1/3V
(1/3V
(2/3V
LC0
(2/3V
(1/3V
(1/3V
(2/3V
LC0
(1/3V
(1/3V
(2/3V
LC3
LC3
LC3
(V
(V
(V
(V
(V
(V
(V
(V
(V
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
SS
SS
SS
)
)
)
)
)
)
)
)
)
)
)
)
)
Fram e Start
)
)
)
)
Fram e Start
)
)
)
)
Fram e Start
LCD_OUT
LCD_OUT
LCD_OUT
Fram e End
Fram e End
Fram e End
...the world's most energy friendly microcontrollers
423
www.energymicro.com