AT32UC3B0128-A2UR Atmel, AT32UC3B0128-A2UR Datasheet - Page 608
![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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27.5.3.2
32059J–12/2010
MEMORY_SERVICE
NOTE : The polarity of the direction bit is inverse of the Nexus standard.
Starting in Run-Test/Idle, OCD registers are accessed in the following way:
1. Select the IR Scan path.
2. In Capture-IR: The IR output value is latched into the shift register.
3. In Shift-IR: The instruction register is shifted by the TCK input.
4. Return to Run-Test/Idle.
5. Select the DR Scan path.
6. In Shift-DR: Scan in the direction bit (1=read, 0=write) and the 7-bit address for the OCD
7. Go to Update-DR and re-enter Select-DR Scan.
8. In Shift-DR: For a read operation, scan out the contents of the addressed register. For a
9. Return to Run-Test/Idle.
For any operation, the full 7 bits of the address must be provided. For write operations, 32 data
bits must be provided, or the result will be undefined. For read operations, shifting may be termi-
nated once the required number of bits have been acquired.
Table 27-16. NEXUS_ACCESS Details
This instruction allows access to registers in an optional Memory Service Unit. The 7-bit register
index, a read/write control bit, and the 32-bit data is accessed through the JTAG port.
The data register is alternately interpreted by the SAB as an address register and a data regis-
ter. The SAB starts in address mode after the MEMORY_SERVICE instruction is selected, and
toggles between address and data mode each time a data scan completes with the busy bit
cleared.
Starting in Run-Test/Idle, Memory Service registers are accessed in the following way:
1. Select the IR Scan path.
2. In Capture-IR: The IR output value is latched into the shift register.
3. In Shift-IR: The instruction register is shifted by the TCK input.
4. Return to Run-Test/Idle.
5. Select the DR Scan path.
Instructions
IR input value
IR output value
DR Size
DR input value (Address phase)
DR input value (Data read phase)
DR input value (Data write phase)
DR output value (Address phase)
DR output value (Data read phase)
DR output value (Data write phase)
register.
write operation, scan in the new contents of the register.
Details
10000 (0x10)
peb01
34 bits
aaaaaaar xxxxxxxx xxxxxxxx xxxxxxxx xx
xxxxxxxx xxxxxxxx xxxxxxxx xxxxxxxx xx
dddddddd dddddddd dddddddd dddddddd xx
xx xxxxxxxx xxxxxxxx xxxxxxxx xxxxxxeb
eb dddddddd dddddddd dddddddd dddddddd
xx xxxxxxxx xxxxxxxx xxxxxxxx xxxxxxeb
AT32UC3B
608
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