AT32UC3A0512-ALTTA Atmel, AT32UC3A0512-ALTTA Datasheet - Page 330
AT32UC3A0512-ALTTA
Manufacturer Part Number
AT32UC3A0512-ALTTA
Description
IC MCU AVR32 512K FLASH 144LQFP
Manufacturer
Atmel
Series
AVR®32 UC3r
Datasheet
1.ATEVK1104.pdf
(826 pages)
Specifications of AT32UC3A0512-ALTTA
Core Processor
AVR
Core Size
32-Bit
Speed
66MHz
Connectivity
EBI/EMI, Ethernet, I²C, SPI, SSC, UART/USART, USB OTG
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
109
Program Memory Size
512KB (512K x 8)
Program Memory Type
FLASH
Ram Size
64K x 8
Voltage - Supply (vcc/vdd)
1.65 V ~ 1.95 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
144-LQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
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Figure 26-34. IrDA Modulation
26.7.6.2
32058J–AVR32–04/11
IrDA Baud Rate
Table 26-9.
Figure 26-34 on page 330
Table 26-10 on page 330
tion. Note that the requirement on the maximum acceptable error of ±1.87% must be met.
Table 26-10. IrDA Baud Rate Error
Transmitter
Baud Rate
38.4 Kb/s
57.6 Kb/s
115.2 Kb/s
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
Output
TXD
Bit Period
IrDA Pulse Duration
Start
Bit
0
1
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
gives some examples of CD values, baud rate error and pulse dura-
shows an example of character transmission.
0
1
Data Bits
0
0
Pulse Duration (3/16)
4.88 µs
3.26 µs
1.63 µs
107
130
CD
22
36
43
33
53
65
12
65
11
18
22
2
4
6
1
1
16
3 Bit Period
Baud Rate Error
0
Stop
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%
Bit
1
AT32UC3A
Pulse Time
4.88
4.88
9.77
9.77
9.77
1.63
1.63
1.63
1.63
3.26
3.26
3.26
3.26
4.88
4.88
9.77
330
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