AT32UC3B1128 Atmel Corporation, AT32UC3B1128 Datasheet - Page 320

• Manufacturer Part Number: AT32UC3B1128
• Manufacturer: Atmel Corporation

Specifications of AT32UC3B1128

• Flash (kbytes): 128 Kbytes
• Pin Count: 48
• Max. Operating Frequency: 60 MHz
• Cpu: 32-bit AVR
• # Of Touch Channels: 32
• Hardware Qtouch Acquisition: No
• Max I/o Pins: 28
• Ext Interrupts: 28
• Usb Transceiver: 1
• Usb Speed: Full Speed
• Usb Interface: Device
• Spi: 3
• Twi (i2c): 1
• Uart: 2
• Graphic Lcd: No
• Video Decoder: No
• Camera Interface: No
• Adc Channels: 6
• Adc Resolution (bits): 10
• Adc Speed (ksps): 384
• Resistive Touch Screen: No
• Temp. Sensor: No
• Crypto Engine: No
• Sram (kbytes): 32
• Self Program Memory: YES
• Dram Memory: No
• Nand Interface: No
• Picopower: No
• Temp. Range (deg C): -40 to 85
• I/o Supply Class: 3.0-3.6 or (1.65-1.95+3.0-3.6)
• Operating Voltage (vcc): 3.0-3.6 or (1.65-1.95+3.0-3.6)
• Fpu: No
• Mpu / Mmu: Yes / No
• Timers: 10
• Output Compare Channels: 16
• Input Capture Channels: 6
• Pwm Channels: 13
• 32khz Rtc: Yes
• Calibrated Rc Oscillator: Yes

21.6.6.2
32059L–AVR32–01/2012
IrDA Baud Rate
Figure 21-33. IrDA Modulation
As the IrDA mode shares some logic with the ISO7816 mode, the FIDI.FI_DI_RATIO field needs
to be configured correctly.
ples of BRGR.CD values, baud rate error, and pulse duration. Note that the maximal acceptable
error rate of ±1.87% must be met.
Table 21-11. IrDA Baud Rate Error
Peripheral Clock
3 686 400
20 000 000
32 768 000
40 000 000
3 686 400
20 000 000
32 768 000
40 000 000
3 686 400
20 000 000
32 768 000
40 000 000
3 686 400
20 000 000
32 768 000
40 000 000
3 686 400
20 000 000
32 768 000
40 000 000
Transmitter
Output
TXD
Baud Rate
115 200
115 200
115 200
115 200
57 600
57 600
57 600
57 600
38 400
38 400
38 400
38 400
19 200
19 200
19 200
19 200
9 600
9 600
9 600
9 600
Bit Period
See Section “21.6.2.5” on page 302. Table 21-11
Start
Bit
0
1
0
107
130
130
213
260
CD
18
22
22
36
43
33
53
65
12
65
24
11
1
2
4
6
Data Bits
0
0
Baud Rate Error
1
0.00%
1.38%
1.25%
1.38%
0.00%
1.38%
1.25%
0.93%
0.00%
1.38%
0.63%
0.16%
0.00%
0.16%
0.31%
0.16%
0.00%
0.16%
0.16%
0.16%
1
16
3
0
Bit Period
Stop
Bit
gives some exam-
1
Pulse Time
19.53
19.53
19.53
19.53
1.63
1.63
1.63
1.63
3.26
3.26
3.26
3.26
4.88
4.88
4.88
4.88
9.77
9.77
9.77
9.77
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