AT32UC3A4128S Atmel Corporation, AT32UC3A4128S Datasheet - Page 935
AT32UC3A4128S
Manufacturer Part Number
AT32UC3A4128S
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 AT32UC3A4128S
Flash (kbytes)
128 Kbytes
Pin Count
100
Max. Operating Frequency
66 MHz
Cpu
32-bit AVR
Hardware Qtouch Acquisition
No
Usb Transceiver
1
Usb Speed
Hi-Speed
Usb Interface
Device + OTG
Spi
6
Twi (i2c)
2
Uart
4
Sd / Emmc
2
Graphic Lcd
No
Video Decoder
No
Camera Interface
No
Adc Channels
8
Adc Resolution (bits)
10
Resistive Touch Screen
No
Temp. Sensor
No
Crypto Engine
AES
Sram (kbytes)
128
Self Program Memory
YES
Dram Memory
No
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
6
Input Capture Channels
6
32khz Rtc
Yes
Calibrated Rc Oscillator
Yes
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- AT32UC3A0128 PDF datasheet
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- AT32UC3A3128 PDF datasheet #4
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34.4.10.5
34.4.10.6
32072G–11/2011
Error Reporting
Protected Reporting
The Service Access Bus may not be able to complete all accesses as requested. This may be
because the address is invalid, the addressed area is read-only or cannot handle byte/halfword
accesses, or because the chip is set in a protected mode where only limited accesses are
allowed.
The error bit is updated when an access completes, and is cleared when a new access starts.
What to do if the error bit is set:
A protected status may be reported during Shift-IR or Shift-DR. This indicates that the security
bit in the Flash Controller is set and that the chip is locked for access, according to
34.5.1.
The protected state is reported when:
What to do if the protected bit is set:
• During Shift-DR of read data: The read data is invalid. The SAB stays in data mode. Repeat
• During Shift-DR of write data: The write data is ignored. The SAB stays in data mode. Repeat
• During Shift-IR: The new instruction is selected. The last operation performed using the old
• During Shift-DR of an address: The previous operation failed. The new address is accepted.
• During Shift-DR of read data: The read operation failed, and the read data is invalid.
• During Shift-DR of write data: The previous write operation failed. The new data is accepted
• While polling with CANCEL_ACCESS: The previous access was cancelled. It may or may
• After power-up: The error bit is set after power up, but there has been no previous SAB
• The Flash Controller is under reset. This can be due to the AVR_RESET command or the
• The Flash Controller has not read the security bit from the flash yet (This will take a a few
• The security bit in the Flash Controller is set.
• Release all active AVR_RESET domains, if any.
• Release the RESET_N line.
• Wait a few ms for the security bit to clear. It can be set temporarily due to a reset.
• Perform a CHIP_ERASE to clear the security bit. NOTE : This will erase all the contents of the
scanning until the busy bit clears.
scanning until the busy bit clears.
instruction did not complete successfully.
If the read bit is set, a read operation is started.
and a write operation started. This should only occur during block writes or stream writes. No
error can occur between scanning a write address and the following write data.
not have actually completed.
instruction so this error can be discarded.
RESET_N line.
ms). Happens after the Flash Controller reset has been released.
non-volatile memory.
Section
935
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