AT90PWM2B Atmel Corporation, AT90PWM2B Datasheet - Page 222
AT90PWM2B
Manufacturer Part Number
AT90PWM2B
Description
Manufacturer
Atmel Corporation
Specifications of AT90PWM2B
Flash (kbytes)
8 Kbytes
Pin Count
24
Max. Operating Frequency
16 MHz
Cpu
8-bit AVR
# Of Touch Channels
8
Hardware Qtouch Acquisition
No
Max I/o Pins
19
Ext Interrupts
4
Usb Speed
No
Usb Interface
No
Spi
1
Uart
1
Graphic Lcd
No
Video Decoder
No
Camera Interface
No
Adc Channels
8
Adc Resolution (bits)
10
Adc Speed (ksps)
125
Analog Comparators
2
Resistive Touch Screen
No
Dac Channels
1
Dac Resolution (bits)
10
Temp. Sensor
No
Crypto Engine
No
Sram (kbytes)
0.5
Eeprom (bytes)
512
Self Program Memory
YES
Dram Memory
No
Nand Interface
No
Picopower
No
Temp. Range (deg C)
-40 to 105
I/o Supply Class
2.7 to 5.5
Operating Voltage (vcc)
2.7 to 5.5
Fpu
No
Mpu / Mmu
no / no
Timers
4
Output Compare Channels
12
Input Capture Channels
1
Pwm Channels
7
32khz Rtc
No
Calibrated Rc Oscillator
Yes
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
AT90PWM2B-16SU
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
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19.6.3
222
AT90PWM2/3/2B/3B
EUSART Control and Status Register A – EUCSRA
• Bit 7:4 – EUSART Transmit Character Size
The UTxS3:0 bits sets the number of data bits (Character Size) in a frame the Transmitter use.
Table 19-1.
• Bit 3:0 – EUSART Receive Character Size
The UTxS3:0 bits sets the number of data bits (Character Size) in a frame the Receiver use.
Table 19-2.
Bit
Read/Write
Initial Value
URxS3
UTxS3
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
1
UTxS Bits Settings
URxS Bits Settings
UTxS3
R/W
7
0
URxS2
UTxS2
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
UTxS2
R/W
6
0
UTxS1
UTxS1
URxS1
R/W
5
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
UTxS0
R/W
4
1
URxS0
UTxS0
URxS3
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
R/W
3
0
URxS2
R/W
Transmit Character Size
5-bit
6-bit
7-bit
8-bit
Reserved
Reserved
Reserved
9-bit
13-bit
14-bit
15-bit
16-bit
Reserved
Reserved
Reserved
17-bit
Receive Character Size
5-bit
6-bit
7-bit
8-bit
Reserved
Reserved
Reserved
9-bit
13-bit
2
0
URxS1
R/W
1
1
URxS0
R/W
0
1
4317J–AVR–08/10
EUCSRA
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