AT90PWM3B-16SUR Atmel, AT90PWM3B-16SUR Datasheet - Page 223
![MCU AVR 8K FLASH 16MHA 32SOIC](/photos/7/29/72992/313-32-soic_sml.jpg)
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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19.6.4
4317J–AVR–08/10
EUSART Control Register B – EUCSRB
Table 19-2.
• Bit 7:5 –Reserved Bits
These bits are reserved for future use. For compatibilty with future devices, these bits must be
written to zero when EUSCRB is written.
• Bit 4 – EUSART Enable Bit
Set to enable the EUSART mode, clear to operate as standard USART.
• Bit 3– EUSBS Enable Bit
This bit selects the number of stop bits detected by the receiver.
Table 19-3.
Note:
• Bit 2–Reserved Bit
This bit is reserved for future use. For compatibilty with future devices, this bit must be written to
zero when EUSCRB is written.
• Bit 1 – Manchester mode
Bit
Read/Write
Initial Value
URxS3
1
1
1
1
1
1
1
The number of stop bit inserted by the Transmitter in EUSART mode is configurable throught the
USBS bit of in the of the USART.
URxS Bits Settings
EUSBS Bit Settings
EUSBS
R
7
0
-
0
1
URxS2
0
0
0
1
1
1
1
R
6
0
-
URxS1
R
5
0
-
0
1
1
0
0
1
1
Receiver Stop Bit(s)
1-bit
2-bit
EUSART
R/W
4
0
URxS0
EUSBS
1
0
1
0
1
0
1
R/W
3
0
AT90PWM2/3/2B/3B
Receive Character Size
14-bit
15-bit
16-bit
Reserved
Reserved
16 OR 17 bit (for Manchester
encoded only mode)
17-bit
R
2
0
-
EMCH
R/W
1
0
BODR
R/W
0
0
EUCSRB
223
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