EFM32G200F64 Energy Micro, EFM32G200F64 Datasheet - Page 42
EFM32G200F64
Manufacturer Part Number
EFM32G200F64
Description
MCU 32BIT 64KB FLASH 32-QFN
Manufacturer
Energy Micro
Series
Geckor
Datasheets
1.EFM32G200F16.pdf
(63 pages)
2.EFM32G200F16.pdf
(10 pages)
3.EFM32G200F16.pdf
(463 pages)
4.EFM32G200F16.pdf
(136 pages)
Specifications of EFM32G200F64
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, POR, PWM, WDT
Number Of I /o
24
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 4x12b, D/A 1x12b
Oscillator Type
External
Operating Temperature
-40°C ~ 85°C
Package / Case
32-VQFN Exposed Pad
Processor Series
EFM32G200
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
24
Number Of Timers
2
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
- EFM32G200F16 PDF datasheet
- EFM32G200F16 PDF datasheet #2
- EFM32G200F16 PDF datasheet #3
- EFM32G200F16 PDF datasheet #4
- Current page: 42 of 463
- Download datasheet (8Mb)
8.4.2.3 DMA cycle types
2010-09-06 - d0001_Rev1.00
After a DMA transfer completes, the controller polls all the DMA channels that are available. Figure 8.2 (p.
42) shows the process it uses to determine which DMA transfer to perform next.
Figure 8.2. Polling flowchart
The cycle_ctrl bits control how the controller performs a DMA cycle. You can set the cycle_ctrl bits as
Table 8.3 (p. 42) lists.
Table 8.3. DMA cycle types
Channel
number
6
7
cycle_ctrl
b000
b001
3
4
5
1
2
Select channel that has
using a high priority-
num ber and is set to
the lowest channel
channel requests
high priority-level
Start polling
a channel
request ?
Is there
Are any
level ?
Priority level
setting
Default
Default
Default
Default
Default
Default
Default
Yes
Yes
Description
Channel control data structure is invalid
Basic DMA transfer
Start DMA transfer
N
Descending order of
channel priority
-
-
-
-
-
-
Lowest-priority DMA channel
o
No
Select channel that has
the lowest channel
num ber
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42
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