EFM32G890F64 Energy Micro, EFM32G890F64 Datasheet - Page 315

• 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

22.5.4 PCNTn_CNT - Counter Value Register
22.5.5 PCNTn_TOP - Top Value Register
22.5.6 PCNTn_TOPB - Top Value Buffer Register (Async Reg)
0
31:16
15:0
31:16
15:0
Bit
Offset
0x00C
Reset
Access
Name
Bit
Offset
0x010
Reset
Access
Name
Bit
2010-09-06 - d0001_Rev1.00
For more information about Asynchronous Registers please see Section 5.3 (p. 18) .
DIR
Current direction status of the counter. This bit is valid in EXTCLKQUAD mode only.
Reserved
CNT
Gives read access to the counter.
Reserved
TOP
When counting down, this value is reloaded into PCNTn_CNT when counting past 0. When counting up, 0 is written to the
PCNTn_CNT register when counting past this value.
Name
Name
Name
Value
0
1
Mode
UP
DOWN
0
0x0000
0x00FF
Reset
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)
R
R
R
Access
Access
Access
Description
Up counter mode (clockwise in EXTCLKQUAD mode with the NEDGE bit in
PCNTn_CTRL set to 0)
Down counter mode
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315
Bit Position
Bit Position
Current Counter Direction
Counter Value
Counter Top Value
Description
Description
Description
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