EFM32G890F64 Energy Micro, EFM32G890F64 Datasheet - Page 245
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: 245 of 463
- Download datasheet (8Mb)
19.3.1.3 Clock Source
19.3.1.3.1 Peripheral Clock (HFPERCLK)
19.3.1.3.2 Compare/ Capture Channel 1 Input
2010-09-06 - d0001_Rev1.00
The RUNNING bit in TIMERn_STATUS indicates if the Timer is running or not. If the SYNC bit in
TIMERn_CTRL is set, the Timer is started/stopped/reloaded (external pin or PRS) when any of the other
timers are started/stopped/reloaded.
The DIR bit in TIMERn_STATUS indicates the counting direction of the Timer at any given time. The
counter value can be read or written by software through the CNT field in TIMERn_CNT. In Up/Down-
Count mode the count direction will be set to up if the CNT value is written by software.
Figure 19.2. TIMER Hardware Timer/Counter Control
The counter can be clocked from several sources, which are all synchronized with the peripheral clock
(HFPERCLK). See Figure 19.3 (p. 245) .
Figure 19.3. TIMER Clock Selection
The peripheral clock (HFPERCLK) can be used as a source with a configurable prescale factor of
2^PRESC, where PRESC is an integer between 0 and 10, which is set in PRESC in TIMERn_CTRL.
The prescaler is stopped and reset when the timer is stopped.
The Timer can also be clocked by positive and/or negative edges on the Compare/Capture channel 1
input. This input can either come from the TIMn_CC1 pin or one of the PRS channels. This input must
have a maximum frequency of f
that triggers a start (through RISEA/FALLA in TIMERn_CTRL), the starting pulse will not update the
Counter Value.
Com pa r e /Ca pt u r e ch a n n e l 0
(Controlled by TIMERn_CC0_CTRL)
Com pa r e /Ca pt u r e ch a n n e l 1
(Controlled by TIMERn_CC1_CTRL)
PRS channels
PRS channels
TIMn_CC0
TIMn_CC1
PRSSEL
PRSSEL
Cou n t e r
(Controlled by TIMERn_CTRL)
Cou n t e r
(Controlled by TIMERn_CTRL)
INSEL
INSEL
HFPERCLK
Filter
Filter
HFPERCLK
FILT
FILT
TIMERn
/2. Note that when clocking the Timer from the same pulse
...the world's most energy friendly microcontrollers
Prescaler
PRESC
ICEDGE
ICEDGE
245
RISEA
CLKSEL
FALLA
Capture 1
Capture 0
Counter
Input
Input
www.energymicro.com
Start
Stop
Reload& Start
Cou n t e r
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