EFM32G200F64 Energy Micro, EFM32G200F64 Datasheet - Page 122

• Manufacturer Part Number: EFM32G200F64
• Description: MCU 32BIT 64KB FLASH 32-QFN
• Manufacturer: Energy Micro
• Series: Geckor

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

12.5.2 WDOG_CMD - Command Register (Async Reg)
7
6
5
4
3
2
1
0
Bit
Offset
0x004
Reset
Access
Name
2010-09-06 - d0001_Rev1.00
For more information about Asynchronous Registers please see Section 5.3 (p. 18) .
Reserved
SWOSCBLOCK
Set to disallow disabling of the selected WDOG oscillator. Writing this bit to 1 will turn on the selected WDOG oscillator if it is not
already running.
EM4BLOCK
Set to prevent the EMU from entering EM4
LOCK
Set to lock the watchdog configuration. This bit can only be cleared by reset.
EM3RUN
Set to keep watchdog running in EM3.
EM2RUN
Set to keep watchdog running in EM2
DEBUGRUN
Set to keep watchdog running in debug mode.
EN
Set to enabled watchdog timer.
Name
Value
0
1
Value
0
1
Value
0
1
Value
0
1
Value
0
1
Value
0
1
Description
Software is allowed to disable the selected WDOG oscillator. See CMU for detailed description. Note that also CMU
registers are lockable.
Software is not allowed to disable the selected WDOG oscillator.
Description
EM4 can be entered. See EMU for detailed description.
EM4 cannot be entered.
Description
Watchdog configuration can be changed.
Watchdog configuration cannot be changed.
Description
Watchdog timer is frozen in EM3.
Watchdog timer is running in EM3.
Description
Watchdog timer is frozen in EM2.
Watchdog timer is running in EM2.
Description
Watchdog timer is frozen in debug mode.
Watchdog timer is running in debug mode.
0
0
0
0
0
0
0
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
RW
RW
Access
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122
Bit Position
Software Oscillator Disable Block
Energy Mode 4 Block
Configuration lock
Energy Mode 3 Run Enable
Energy Mode 2 Run Enable
Debug Mode Run Enable
Watchdog Timer Enable
Description
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