AT32UC3B1256-AUR Atmel, AT32UC3B1256-AUR Datasheet - Page 594
AT32UC3B1256-AUR
Manufacturer Part Number
AT32UC3B1256-AUR
Description
MCU AVR32 256K FLASH 48-TQFP
Manufacturer
Atmel
Series
AVR®32 UC3r
Datasheet
1.AT32UC3B164-AUR.pdf
(680 pages)
Specifications of AT32UC3B1256-AUR
Package / Case
48-TQFP, 48-VQFP
Voltage - Supply (vcc/vdd)
1.65 V ~ 1.95 V
Operating Temperature
-40°C ~ 85°C
Speed
60MHz
Number Of I /o
28
Core Processor
AVR
Program Memory Type
FLASH
Ram Size
32K x 8
Program Memory Size
256KB (256K x 8)
Data Converters
A/D 6x10b
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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27.4
27.4.1
27.4.2
32059J–12/2010
JTAG and Boundary-scan (JTAG)
Features
Overview
Rev: 2.0.1.4
•
•
•
The JTAG Interface offers a four pin programming and debug solution, including boundary-scan
support for board-level testing.
Figure 27-4 on page 595
Controller is a state machine controlled by the TCK and TMS signals. The TAP Controller
selects either the JTAG Instruction Register or one of several Data Registers as the scan chain
(shift register) between the TDI-input and TDO-output.
The Instruction Register holds JTAG instructions controlling the behavior of a Data Register. The
Device Identification Register, Bypass Register, and the boundary-scan chain are the Data Reg-
isters used for board-level testing. The Reset Register can be used to keep the device reset
during test or programming.
The Service Access Bus (SAB) interface contains address and data registers for the Service
Access Bus, which gives access to On-Chip Debug, programming, and other functions in the
device. The SAB offers several modes of access to the address and data registers, as described
in
Section 27.5
document.
IEEE1149.1 compliant JTAG Interface
Boundary-scan Chain for board-level testing
Direct memory access and programming capabilities through JTAG Interface
Section
27.4.11.
lists the supported JTAG instructions, with references to the description in this
shows how the JTAG is connected in an 32-bit AVR device. The TAP
AT32UC3B
594
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