EFM32G230F64 Energy Micro, EFM32G230F64 Datasheet - Page 137
EFM32G230F64
Manufacturer Part Number
EFM32G230F64
Description
MCU 32BIT 64KB FLASH 64-QFN
Manufacturer
Energy Micro
Series
Geckor
Datasheets
1.EFM32-G230F128-SK.pdf
(65 pages)
2.EFM32-G230F128-SK.pdf
(10 pages)
3.EFM32G200F16.pdf
(463 pages)
4.EFM32G200F16.pdf
(136 pages)
Specifications of EFM32G230F64
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
56
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
64-VFQFN, Exposed Pad
Processor Series
EFM32G230
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
56
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
- EFM32-G230F128-SK PDF datasheet
- EFM32-G230F128-SK PDF datasheet #2
- EFM32G200F16 PDF datasheet #3
- EFM32G200F16 PDF datasheet #4
- Current page: 137 of 463
- Download datasheet (8Mb)
14.3.8 Control Signal Polarity
14.3.9 Pin Configuration
2010-09-06 - d0001_Rev1.00
functionality is enabled by setting the ARDYEN bit in the EBI_CTRL register. It is also possible to enable
a timeout check, which generates a bus error if the ARDY is not deasserted within the timeout period.
This prevents system stalemate condition in the case that the external device does not deassert ARDY.
The timeout functionality is disabled by setting ARDYTODIS in the EBI_CTRL register.
It is possible to individually configure the control signals to be active high/low by setting or clearing the
appropriate bits in the EBI_POLARITY register.
In order to give the EBI access to the external pins of the EFM32G, the GPIO must be configured
accordingly. The lines must be set to Push-Pull, which is described in detail in the GPIO section.
All the EBI pins are enabled in the EBI_ROUTE register. The EBI_AD, EBI_WEn and EBI_REn pins
are all enabled by the EBI_PEN bit, the EBI_CSn pins are enabled by the corresponding CSxPEN bit,
the EBI_ALE pin is enabled by the ALEPEN bit and the EBI_ARDY pin is enabled by the ARDYPEN
bit of the EBI_ROUTE register.
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137
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