AT90PWM3B-16MU Atmel, AT90PWM3B-16MU Datasheet - Page 220
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AT90PWM3B-16MU
Manufacturer Part Number
AT90PWM3B-16MU
Description
IC MCU AVR RISC 8K FLASH 32-QFN
Manufacturer
Atmel
Series
AVR® 90PWM Lightingr
Datasheet
1.AT90PWM3B-16SU.pdf
(361 pages)
Specifications of AT90PWM3B-16MU
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-QFN
Package
32QFN EP
Device Core
AVR
Family Name
90P
Maximum Speed
16 MHz
Operating Supply Voltage
3.3|5 V
Data Bus Width
8 Bit
Number Of Programmable I/os
27
Interface Type
SPI/USART
On-chip Adc
11-chx10-bit
Number Of Timers
2
Processor Series
AT90PWMx
Core
AVR8
Data Ram Size
512 B
Maximum Clock Frequency
16 MHz
Maximum Operating Temperature
+ 105 C
Mounting Style
SMD/SMT
3rd Party Development Tools
EWAVR, EWAVR-BL
Development Tools By Supplier
ATAVRDRAGON, ATSTK500, ATSTK600, ATAVRISP2, ATAVRONEKIT, ATAVRFBKIT, ATAVRISP2
Minimum Operating Temperature
- 40 C
On-chip Dac
10 bit, 1 Channel
For Use With
ATSTK600-SOIC - STK600 SOCKET/ADAPTER FOR SOIC770-1007 - ISP 4PORT ATMEL AVR MCU SPI/JTAG770-1005 - ISP 4PORT FOR ATMEL AVR MCU JTAG770-1004 - ISP 4PORT FOR ATMEL AVR MCU SPIATAVRMC200 - KIT EVAL FOR AT90PWM3 ASYNCATAVRFBKIT - KIT DEMO BALLAST FOR AT90PWM2ATAVRISP2 - PROGRAMMER AVR IN SYSTEMATSTK520 - ADAPTER KIT FOR 90PWM
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
AT90PWM3B-16MU
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
Company:
Part Number:
AT90PWM3B-16MUR
Manufacturer:
TI
Quantity:
1 829
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19.5.5.1
19.5.5.2
19.6
19.6.1
19.6.2
19.6.2.1
19.6.2.2
220
EUSART Registers Description
AT90PWM2/3/2B/3B
USART I/O Data Register – UDR
EUSART I/O Data Register – EUDR
Parity Checker
OverRun
UDR/EUDR data access with character size up to 8 bits
UDR/EUDR data access with 9 bits per character
All the receiver error flags are valid only when the RxC bit is set and until the UDR register is
read.
The parity checker of the EUSART is available only when data bits are level encoded and
behaves as is USART mode (See Parity checker of the USART).
The Data OverRun (DOR bit of USCRA) flag indicates data loss due to a receiver buffer full con-
dition. This flag operates as in USART mode (See USART section).
• Bit 7:0 – RxB7:0: Receive Data Buffer (read access)
• Bit 7:0 – TxB7:0: Transmit Data Buffer (write access)
This register is common to the USART and EUSART interfaces for Transmit Data Buffer Regis-
ter and Receive Data Buffer Register. See description for UDR register in USART.
• Bit 7:0 – RxB15:8: Receive Data Buffer (read access)
• Bit 7:0 – TxB15:8: Transmit Data Buffer (write access)
This register provide an extension to the UDR register when EUSART is used with more than 8
bits.
When the EUSART is used with 8 or less bits, only the UDR register is used for dta access.
When the EUSART is used with 9 bits character, the behavior is different of the standart USART
mode, the UDR register is used in combinaison with the first bit of EUDR (EUDR:0) for data
access, the RxB8/TxB8 bit is not used.
Initial Value
Initial Value
Read/Write
Read/Write
Bit
Bit
R/W
R/W
7
0
7
0
R/W
R/W
6
0
6
0
R/W
R/W
5
0
5
0
R/W
R/W
4
0
4
0
RXB[15:8]
TXB[15:8]
RXB[7:0]
TXB[7:0]
R/W
R/W
3
0
3
0
R/W
R/W
2
0
2
1
R/W
R/W
1
0
1
0
R/W
R/W
0
0
0
0
4317J–AVR–08/10
EUDR (Read)
EUDR (Write)
UDR (Write)
UDR (Read)
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