AT32UC3A3128S Atmel Corporation, AT32UC3A3128S Datasheet - Page 585
AT32UC3A3128S
Manufacturer Part Number
AT32UC3A3128S
Description
Manufacturer
Atmel Corporation
Datasheets
1.AT32UC3A0128.pdf
(377 pages)
2.AT32UC3A0128.pdf
(33 pages)
3.AT32UC3A0128.pdf
(159 pages)
4.AT32UC3A3128.pdf
(91 pages)
5.AT32UC3A3128.pdf
(1012 pages)
Specifications of AT32UC3A3128S
Flash (kbytes)
128 Kbytes
Pin Count
144
Max. Operating Frequency
66 MHz
Cpu
32-bit AVR
# Of Touch Channels
32
Hardware Qtouch Acquisition
No
Max I/o Pins
110
Ext Interrupts
110
Usb Transceiver
1
Usb Speed
Hi-Speed
Usb Interface
Device + OTG
Spi
6
Twi (i2c)
2
Uart
4
Lin
4
Ssc
1
Sd / Emmc
1
Graphic Lcd
No
Video Decoder
No
Camera Interface
No
Adc Channels
8
Adc Resolution (bits)
10
Adc Speed (ksps)
384
Resistive Touch Screen
No
Dac Channels
2
Dac Resolution (bits)
16
Temp. Sensor
No
Crypto Engine
AES
Sram (kbytes)
128
Self Program Memory
YES
External Bus Interface
1
Dram Memory
sdram
Nand Interface
Yes
Picopower
No
Temp. Range (deg C)
-40 to 85
I/o Supply Class
3.0 to 3.6
Operating Voltage (vcc)
3.0 to 3.6
Fpu
No
Mpu / Mmu
Yes / No
Timers
6
Output Compare Channels
18
Input Capture Channels
12
Pwm Channels
12
32khz Rtc
Yes
Calibrated Rc Oscillator
Yes
- AT32UC3A0128 PDF datasheet
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- AT32UC3A0128 PDF datasheet #3
- AT32UC3A3128 PDF datasheet #4
- AT32UC3A3128 PDF datasheet #5
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25.6.15
25.6.15.1
25.6.15.2
25.6.15.3
25.6.15.4
32072G–11/2011
Test Modes
Normal Mode
Automatic Echo Mode
Local Loopback Mode
Remote Loopback Mode
The internal loopback feature enables on-board diagnostics, and allows the USART to operate
in three different test modes, with reconfigured pin functionality, as shown below.
During normal operation, a receivers RXD pin is connected to a transmitters TXD pin.
Figure 25-54. Normal Mode Configuration
Automatic echo mode allows bit-by-bit retransmission. When a bit is received on the RXD pin, it
is also sent to the TXD pin, as shown in
Figure 25-55. Automatic Echo Mode Configuration
Local loopback mode connects the output of the transmitter directly to the input of the receiver,
as shown in
the receiver and the TXD pin is continuously driven high, as in idle state.
Figure 25-56. Local Loopback Mode Configuration
Remote loopback mode connects the RXD pin to the TXD pin, as shown in
transmitter and the receiver are disabled and have no effect. This mode allows bit-by-bit
retransmission.
Figure
25-56. The TXD and RXD pins are not used. The RXD pin has no effect on
Transmitter
Transmitter
Transmitter
Receiver
Receiver
Receiver
Figure
25-55. Transmitter configuration has no effect.
1
RXD
TXD
RXD
TXD
RXD
TXD
Figure
25-57. The
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