AT32UC3B1256 Atmel Corporation, AT32UC3B1256 Datasheet - Page 606
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AT32UC3B1256
Manufacturer Part Number
AT32UC3B1256
Description
Manufacturer
Atmel Corporation
Datasheets
1.AT32UC3A0128.pdf
(377 pages)
2.AT32UC3A0128.pdf
(33 pages)
3.AT32UC3A0128.pdf
(159 pages)
4.AT32UC3B0128.pdf
(684 pages)
5.AT32UC3B0128.pdf
(107 pages)
Specifications of AT32UC3B1256
Flash (kbytes)
256 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
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
AT32UC3B1256-AUR
Manufacturer:
OMRON
Quantity:
12 000
Company:
Part Number:
AT32UC3B1256-AUT
Manufacturer:
ATMEL
Quantity:
1 000
- AT32UC3A0128 PDF datasheet
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27.6.3
27.7
32059L–AVR32–01/2012
SAB address map
Boundary-Scan Chain
Note: This register is primarily intended for compatibility with other 32-bit AVR devices. Certain
operations may not function correctly when parts of the system are reset. It is generally recom-
mended to only write 0x11111 or 0x00000 to these bits to ensure no unintended side effects
occur.
The Boundary-Scan Chain has the capability of driving and observing the logic levels on the dig-
ital I/O pins, as well as driving and observing the logic levels between the digital I/O pins and the
internal logic. Typically, output value, output enable, and input data are all available in the
boundary scan chain.
The boundary scan chain is described in the BDSL (Boundary Scan Description Language) file
available at the Atmel web site.
The Service Access Bus (SAB) gives the user access to the internal address space and other
features through a 36 bits address space. The 4 MSBs identify the slave number, while the 32
LSBs are decoded within the slave’s address space. The SAB slaves are shown in
Table 27-28. SAB Slaves, addresses and descriptions.
CPU
APP
OCD
RSERVED
Memory Service
Unallocated
Reserved
Slave
OCD
HSB
HSB
Unit
CPU
HSB and PB buses
On-Chip Debug logic and registers
No effect
Address [35:32]
Other
0x0
0x1
0x4
0x5
0x6
Description
Intentionally unallocated
OCD registers
HSB memory space, as seen by the CPU
Alternative mapping for HSB space, for compatibility with
other 32-bit AVR devices.
Memory Service Unit registers
Unused
Table
27-28.
606
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