EFM32G890F64 Energy Micro, EFM32G890F64 Datasheet - Page 218
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: 218 of 463
- Download datasheet (8Mb)
18.3 Functional Description
18.3.1 Frame Format
2010-09-06 - d0001_Rev1.00
• Programmable baud rate, generated as a fractional division of the LFBCLK
• Can use a high frequency clock source for even higher baud rates
• Configurable number of data bits: 8 or 9 (plus parity bit, if enabled)
• Configurable parity: off, even or odd
• Configurable number of stop bits, 1 or 2
• Capable of sleep-mode wakeup on received frame
• Supports transmission and reception in EM0, EM1 and EM2 with
• IrDA modulator (pulse generator, pulse extender)
• Multi-processor mode
• Loopback mode
An overview of the LEUART module is shown in Figure 18.1 (p. 218) .
Figure 18.1. LEUART Overview
The frame format used by the LEUART consists of a set of data bits in addition to bits for synchronization
and optionally a parity bit for error checking. A frame starts with one start-bit (S), where the line is driven
• Supports baud rates from 300 baud/s to 9600 baud/s
• HW parity bit generation and check
• Either wake-up on any received byte or
• Wake up only on specified start and signal frames
• Full DMA support
• Specified start-byte can start reception automatically
• Half duplex communication
• Communication debugging
LEUn_RX
LEUn_TX
Pulse
gen
TX Shift Register
TX Baud rate
TX Buffer
generator
...the world's most energy friendly microcontrollers
218
(STARTFRAME)
Peripheral Bus
UART Control
(SIGFRAME)
Signal fram e
RX Wakeup
Start fram e
and status
SYNC
=
=
extend
Pulse
www.energymicro.com
RX Shift Register
RX Baud rate
RX Buffer
generator
Start fram e interrupt
Signal fram e interrupt
! RXBLOCK
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