AT32UC3B064-Z2UR Atmel, AT32UC3B064-Z2UR Datasheet - Page 24
![MCU AVR32 64K FLASH 64-QFN](/photos/12/13/121326/313-64-qfn_sml.jpg)
AT32UC3B064-Z2UR
Manufacturer Part Number
AT32UC3B064-Z2UR
Description
MCU AVR32 64K FLASH 64-QFN
Manufacturer
Atmel
Series
AVR®32 UC3r
Datasheet
1.AT32UC3B164-AUR.pdf
(680 pages)
Specifications of AT32UC3B064-Z2UR
Package / Case
64-QFN
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
16K x 8
Program Memory Size
64KB (64K 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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6.4.4
32059J–12/2010
System Registers
All interrupt levels are by default disabled when debug state is entered, but they can individually
be switched on by the monitor routine by clearing the respective mask bit in the status register.
Debug state can be entered as described in the AVR32UC Technical Reference Manual.
Debug state is exited by the retd instruction.
The system registers are placed outside of the virtual memory space, and are only accessible
using the privileged mfsr and mtsr instructions. The table below lists the system registers speci-
fied in the AVR32 architecture, some of which are unused in AVR32UC. The programmer is
responsible for maintaining correct sequencing of any instructions following a mtsr instruction.
For detail on the system registers, refer to the AVR32UC Technical Reference Manual.
Table 6-3.
Reg #
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
Address
0
4
8
12
16
20
24
28
32
36
40
44
48
52
56
60
64
68
72
76
80
84
88
92
96
100
System Registers
Name
SR
EVBA
ACBA
CPUCR
ECR
RSR_SUP
RSR_INT0
RSR_INT1
RSR_INT2
RSR_INT3
RSR_EX
RSR_NMI
RSR_DBG
RAR_SUP
RAR_INT0
RAR_INT1
RAR_INT2
RAR_INT3
RAR_EX
RAR_NMI
RAR_DBG
JECR
JOSP
JAVA_LV0
JAVA_LV1
JAVA_LV2
Function
Status Register
Exception Vector Base Address
Application Call Base Address
CPU Control Register
Exception Cause Register
Unused in AVR32UC
Unused in AVR32UC
Unused in AVR32UC
Unused in AVR32UC
Unused in AVR32UC
Unused in AVR32UC
Unused in AVR32UC
Return Status Register for Debug mode
Unused in AVR32UC
Unused in AVR32UC
Unused in AVR32UC
Unused in AVR32UC
Unused in AVR32UC
Unused in AVR32UC
Unused in AVR32UC
Return Address Register for Debug mode
Unused in AVR32UC
Unused in AVR32UC
Unused in AVR32UC
Unused in AVR32UC
Unused in AVR32UC
AT32UC3B
24
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