AT32UC3B1128 Atmel Corporation, AT32UC3B1128 Datasheet - Page 86

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AT32UC3B1128

Manufacturer Part Number
AT32UC3B1128
Description
Manufacturer
Atmel Corporation

Specifications of AT32UC3B1128

Flash (kbytes)
128 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

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8.3.2.13
8.3.2.14
8.3.2.15
86
AVR32
ITLB Miss Exception
ITLB Protection Exception
Breakpoint Exception
The ITLB Miss exception is generated when no TLB entry matches the instruction memory
address, or if the Valid bit in a matching entry is 0.
The ITLB Protection exception is generated when the instruction memory access violates the
access rights specified by the protection bits of the addressed virtual page.
The Breakpoint exception is issued when a breakpoint instruction is executed, or the OCD
breakpoint input line to the CPU is asserted, and SREG[DM] is cleared.
An external debugger can optionally assume control of the CPU when the Breakpoint Exception
is executed. The debugger can then issue individual instructions to be executed in Debug mode.
Debug mode is exited with the retd instruction. This passes control from the debugger back to
the CPU, resuming normal execution.
RSR_EX = SR;
RAR_EX = PC;
TLBEAR = FAILING_VIRTUAL_ADDRESS;
TLBEHI[VPN] = FAILING_PAGE_NUMBER;
TLBEHI[I] = 1;
SR[R] = 0;
SR[J] = 0;
SR[M2:M0] = B’110;
SR[EM] = 1;
SR[GM] = 1;
PC = EVBA + 0x50;
RSR_EX = SR;
RAR_EX = PC;
TLBEAR = FAILING_VIRTUAL_ADDRESS;
TLBEHI[VPN] = FAILING_PAGE_NUMBER;
TLBEHI[I] = 1;
SR[R] = 0;
SR[J] = 0;
SR[M2:M0] = B’110;
SR[EM] = 1;
SR[GM] = 1;
PC = EVBA + 0x18;
RSR_DBG = SR;
RAR_DBG = PC;
SR[R] = 0;
SR[J] = 0;
SR[M2:M0] = B’110;
SR[D] = 1;
SR[DM] = 1;
32000D–04/2011

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