EFM32G890F64 Energy Micro, EFM32G890F64 Datasheet - Page 107
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: 107 of 463
- Download datasheet (8Mb)
11.5.12 CMU_STATUS - Status Register
1:0
31:15
14
13
12
11
10
9
8
7
6
5
4
Bit
Offset
0x02C
Reset
Access
Name
Bit
2010-09-06 - d0001_Rev1.00
LFA
Selects the clock source for LFACLK.
Reserved
CALBSY
Calibration is on-going.
LFXOSEL
LFXO is selected as HFCLK clock source.
LFRCOSEL
LFRCO is selected as HFCLK clock source.
HFXOSEL
HFXO is selected as HFCLK clock source.
HFRCOSEL
HFRCO is selected as HFCLK clock source.
LFXORDY
LFXO is enabled and start-up time has exceeded.
LFXOENS
LFXO is enabled.
LFRCORDY
LFRCO is enabled and start-up time has exceeded.
LFRCOENS
LFRCO is enabled.
AUXHFRCORDY
AUXHFRCO is enabled and start-up time has exceeded.
AUXHFRCOENS
AUXHFRCO is enabled.
Name
Name
Value
1
2
3
Value
0
1
2
3
Mode
LFRCO
LFXO
HFCORECLKLEDIV2
Mode
DISABLED
LFRCO
LFXO
HFCORECLKLEDIV2
0x1
0
0
0
0
1
0
0
0
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
R
R
R
R
R
R
R
R
R
R
R
Access
Access
Description
LFRCO selected as LFBCLK
LFXO selected as LFBCLK
HFCORECLK
Description
LFACLK is disabled
LFRCO selected as LFACLK
LFXO selected as LFACLK
HFCORECLK
...the world's most energy friendly microcontrollers
107
Bit Position
Clock Select for LFA
Calibration Busy
LFXO Selected
LFRCO Selected
HFXO Selected
HFRCO Selected
LFXO Ready
LFXO Enable Status
LFRCO Ready
LFRCO Enable Status
AUXHFRCO Ready
AUXHFRCO Enable Status
Description
Description
LE
LE
divided by two is selected as LFBCLK
divided by two is selected as LFACLK
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