AT32UC3B0128-A2UR Atmel, AT32UC3B0128-A2UR Datasheet - Page 586
![MCU AVR32 128K FLASH 64-TQFP](/photos/6/81/68127/313-64-vqfp_sml.jpg)
AT32UC3B0128-A2UR
Manufacturer Part Number
AT32UC3B0128-A2UR
Description
MCU AVR32 128K FLASH 64-TQFP
Manufacturer
Atmel
Series
AVR®32 UC3r
Datasheet
1.AT32UC3B164-AUR.pdf
(680 pages)
Specifications of AT32UC3B0128-A2UR
Package / Case
64-TQFP, 64-VQFP
Voltage - Supply (vcc/vdd)
1.65 V ~ 1.95 V
Operating Temperature
-40°C ~ 85°C
Speed
60MHz
Number Of I /o
44
Core Processor
AVR
Program Memory Type
FLASH
Ram Size
32K x 8
Program Memory Size
128KB (128K x 8)
Data Converters
A/D 8x10b
Oscillator Type
Internal
Peripherals
Brown-out Detect/Reset, DMA, POR, PWM, WDT
Connectivity
I²C, IrDA, SPI, SSC, UART/USART, USB
Core Size
32-Bit
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
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27.2.2.1
32059J–12/2010
Security measure and control location
A security measure is a mechanism to either block or allow SAB access to a certain address or
address range. A security measure is enabled or disabled by one or several control signals. This
is called the control location for the security measure.
These security measures can be used to prevent an end user from reading out the code pro-
grammed in the flash, for instance.
Table 27-2.
Below follows a more in depth description of what locations are accessible when the security
measures are active.
Table 27-3.
Table 27-4.
Security measure
Other accesses
Other accesses
OCD DCEMU,
OCD DCEMU,
OCD DCCPU,
OCD DCCPU,
FLASH pages
programming
FLASHC PB
BOOTPROT
OCD DCSR
OCD DCSR
Security bit
User code
User page
User page
interface
outside
Name
Name
SAB Security measures.
Security bit SAB restrictions
User code programming SAB restrictions
Control Location
FLASHC security
FLASHC UPROT
+ security bit set
BOOTPROT size
0x580000000 +
Address start
Address start
0x5FFFE0000
0x100000110
0x580800000
0x100000110
0x580800000
bit set
-
-
Description
Programming and debugging not possible, very restricted
access.
Restricts all access except parts of the flash and the flash
controller for programming user code. Debugging is not
possible unless an OS running from the secure part of the
flash supports it.
0x580000000 + Flash size
0x5FFFE0400
Address end
0x100000118
0x581000000
Address end
0x100000118
0x581000000
-
-
Access
Read/Write
Read
Blocked
Access
Read/Write
Read
Read/Write
Read/Write
Blocked
AT32UC3B
586
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