EFM32G890F64 Energy Micro, EFM32G890F64 Datasheet - Page 117

• 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

11.5.27 CMU_ROUTE - I/O Routing Register
11.5.28 CMU_LOCK - Configuration Lock Register
3
2:0
31:3
2
1
0
Bit
Offset
0x080
Reset
Access
Name
Bit
Offset
0x084
Reset
Access
Name
2010-09-06 - d0001_Rev1.00
VBOOSTEN
This bit enables/disables the VBOOST function.
FDIV
These bits controls the framerate according to this formula: LFACLK
the LCD bit in CMU_LFACLKEN0 is set to 1.
Reserved
LOCATION
Decides the location of the CMU I/O pins.
CLKOUT1PEN
When set, the CLKOUT1 pin is enabled.
CLKOUT0PEN
When set, the CLKOUT0 pin is enabled.
Name
Name
Value
2
3
4
5
6
7
Value
0
1
Mode
DIV4
DIV8
DIV16
DIV32
DIV64
DIV128
Mode
LOC0
LOC1
0
0x0
0
0
0
Reset
Reset
To ensure compatibility with future devices, always write bits to 0. More information in Section 2.1 (p. 3)
RW
RW
RW
RW
RW
Access
Access
Description
Voltage Boost update Frequency = LFACLK/4
Voltage Boost update Frequency = LFACLK/8
Voltage Boost update Frequency = LFACLK/16
Voltage Boost update Frequency = LFACLK/32
Voltage Boost update Frequency = LFACLK/64
Voltage Boost update Frequency = LFACLK/128
Description
Location 0
Location 1
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117
Bit Position
Bit Position
Voltage Boost Enable
Frame Rate Control
I/O Location
CLKOUT1 Pin Enable
CLKOUT0 Pin Enable
Description
Description
LCD
= LFACLK
LCDpre
/ (1 + FDIV). Do not change this value while
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