EFM32G890F64 Energy Micro, EFM32G890F64 Datasheet - Page 102
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: 102 of 463
- Download datasheet (8Mb)
11.5.3 CMU_HFPERCLKDIV - High Frequency Peripheral Clock Division
Register
31:4
3:0
31:9
8
7:4
3:0
Bit
Offset
0x008
Reset
Access
Name
Bit
2010-09-06 - d0001_Rev1.00
Reserved
HFCORECLKDIV
Specifies the clock divider for HFCORECLK.
Reserved
HFPERCLKEN
Set to enable the HFPERCLK.
Reserved
HFPERCLKDIV
Specifies the clock divider for the HFPERCLK.
Name
Name
Value
0
1
2
3
4
5
6
7
8
9
Value
0
1
2
3
4
5
6
7
8
9
Mode
HFCLK
HFCLK2
HFCLK4
HFCLK8
HFCLK16
HFCLK32
HFCLK64
HFCLK128
HFCLK256
HFCLK512
Mode
HFCLK
HFCLK2
HFCLK4
HFCLK8
HFCLK16
HFCLK32
HFCLK64
HFCLK128
HFCLK256
HFCLK512
0x0
1
0x0
Reset
To ensure compatibility with future devices, always write bits to 0. More information in Section 2.1 (p. 3)
Reset
To ensure compatibility with future devices, always write bits to 0. More information in Section 2.1 (p. 3)
To ensure compatibility with future devices, always write bits to 0. More information in Section 2.1 (p. 3)
RW
RW
RW
Access
Access
Description
HFCORECLK = HFCLK
HFCORECLK = HFCLK/2
HFCORECLK = HFCLK/4
HFCORECLK = HFCLK/8
HFCORECLK = HFCLK/16
HFCORECLK = HFCLK/32
HFCORECLK = HFCLK/64
HFCORECLK = HFCLK/128
HFCORECLK = HFCLK/256
HFCORECLK = HFCLK/512
Description
HFPERCLK = HFCLK
HFPERCLK = HFCLK/2
HFPERCLK = HFCLK/4
HFPERCLK = HFCLK/8
HFPERCLK = HFCLK/16
HFPERCLK = HFCLK/32
HFPERCLK = HFCLK/64
HFPERCLK = HFCLK/128
HFPERCLK = HFCLK/256
HFPERCLK = HFCLK/512
...the world's most energy friendly microcontrollers
102
Bit Position
HFCORECLK Divider
HFPERCLK Enable
HFPERCLK Divider
Description
Description
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