SAM3S16C Atmel Corporation, SAM3S16C Datasheet - Page 719
SAM3S16C
Manufacturer Part Number
SAM3S16C
Description
Manufacturer
Atmel Corporation
Datasheet
1.SAM3S16C.pdf
(1130 pages)
Specifications of SAM3S16C
Flash (kbytes)
1024 Kbytes
Pin Count
100
Max. Operating Frequency
100 MHz
Cpu
Cortex-M3
# Of Touch Channels
39
Hardware Qtouch Acquisition
No
Max I/o Pins
79
Ext Interrupts
79
Usb Transceiver
1
Quadrature Decoder Channels
2
Usb Speed
Full Speed
Usb Interface
Device
Spi
3
Twi (i2c)
2
Uart
4
Ssc
1
Sd / Emmc
1
Graphic Lcd
No
Video Decoder
No
Camera Interface
No
Adc Channels
16
Adc Resolution (bits)
12
Adc Speed (ksps)
1000
Analog Comparators
1
Resistive Touch Screen
No
Dac Channels
2
Dac Resolution (bits)
12
Temp. Sensor
Yes
Crypto Engine
No
Sram (kbytes)
128
Self Program Memory
YES
External Bus Interface
1
Dram Memory
No
Nand Interface
Yes
Picopower
No
Temp. Range (deg C)
-40 to 85
I/o Supply Class
1.8/3.3
Operating Voltage (vcc)
1.62 to 3.6
Fpu
No
Mpu / Mmu
Yes / No
Timers
6
Output Compare Channels
6
Input Capture Channels
6
Pwm Channels
4
32khz Rtc
Yes
Calibrated Rc Oscillator
Yes
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35.7.5.1
35.7.5.2
11117B–ATARM–18-Oct-11
11117B–ATARM–18-Oct-11
IrDA Modulation
IrDA Baud Rate
For baud rates up to and including 115.2 Kbits/sec, the RZI modulation scheme is used. “0” is
represented by a light pulse of 3/16th of a bit time. Some examples of signal pulse duration are
shown in
Table 35-12. IrDA Pulse Duration
Figure 35-34
Figure 35-34. IrDA Modulation
Table 35-13
the requirement on the maximum acceptable error of ±1.87% must be met.
Table 35-13. IrDA Baud Rate Error
Baud Rate
2.4 Kb/s
9.6 Kb/s
19.2 Kb/s
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
• Configure the TXD pin as PIO and set it as an output to 0 (to avoid LED emission). Disable
• Receive data
the internal pull-up (better for power consumption).
Table
gives some examples of CD values, baud rate error and pulse duration. Note that
shows an example of character transmission.
Transmitter
35-12.
Output
TXD
Baud Rate
115 200
115 200
115 200
115 200
57 600
57 600
57 600
Bit Period
Start
Bit
0
1
0
Pulse Duration (3/16)
78.13 µs
19.53 µs
9.77 µs
4.88 µs
3.26 µs
1.63 µs
CD
11
18
22
22
36
1
2
4
Data Bits
0
0
Baud Rate Error
1
0.00%
1.38%
1.25%
1.38%
0.00%
1.38%
1.25%
1
16
3
0
Bit Period
Stop
Bit
SAM3S16
SAM3S16
1
Pulse Time
1.63
1.63
1.63
1.63
3.26
3.26
3.26
677
677
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