AT90PWM3B-16SUR Atmel, AT90PWM3B-16SUR Datasheet - Page 216
AT90PWM3B-16SUR
Manufacturer Part Number
AT90PWM3B-16SUR
Description
MCU AVR 8K FLASH 16MHA 32SOIC
Manufacturer
Atmel
Series
AVR® 90PWM Lightingr
Datasheet
1.AT90PWM3B-16SU.pdf
(361 pages)
Specifications of AT90PWM3B-16SUR
Core Processor
AVR
Core Size
8-Bit
Speed
16MHz
Connectivity
SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
27
Program Memory Size
8KB (8K x 8)
Program Memory Type
FLASH
Eeprom Size
512 x 8
Ram Size
512 x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.5 V
Data Converters
A/D 11x10b; D/A 1x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 105°C
Package / Case
32-SOIC (7.5mm Width)
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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Internal
Manchester
Clock
Resynchronize
Internal
Manchester
Clock
Manchester
Data
Manchester
Decoder
Counter
Edge Detection
Space
Internal
Manchester
Clock
Counter
Overflow
AT90PWM2/3/2B/3B
Start Bit
Start Bit
N1
Figure 19-5. Manchester Frame error detection
Note:
When a Manchester framing error is detected the FEM bit and RxC bit are set at the same time.
This allows the application to execute the reception complete interrupt subroute when this error
conditon is detected.
When a Manchester framing error is detected, the EUSART receiver immediately enters in a
new start bit detection phase. Thus when a Manchester framing error is detected within a frame,
the receiver will process the rest of the frame as a new incomming frame and generate other
FEM errors.
N1/2
Counter Overflow = MBURR[H:L]
Bit 1
N2
N2/4
N2/2
front shift
Transition outside
the detect window
Bit 2
N3
Start Bit
Start Bit
N1
Bit 1
N2
The counter reaches the counter overflow
value without reaching a manchester edge
Framing Error
Bit 2
back shift
N3
4317J–AVR–08/10
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