AT32UC3B1256-AUT Atmel, AT32UC3B1256-AUT Datasheet - Page 138
![IC MCU AVR32 256KB FLASH 48-TQFP](/photos/6/82/68248/313-48-vqfp_sml.jpg)
AT32UC3B1256-AUT
Manufacturer Part Number
AT32UC3B1256-AUT
Description
IC MCU AVR32 256KB FLASH 48-TQFP
Manufacturer
Atmel
Series
AVR®32 UC3r
Specifications of AT32UC3B1256-AUT
Core Processor
AVR
Core Size
32-Bit
Speed
60MHz
Connectivity
I²C, IrDA, SPI, SSC, UART/USART, USB
Peripherals
Brown-out Detect/Reset, DMA, POR, PWM, WDT
Number Of I /o
28
Program Memory Size
256KB (256K x 8)
Program Memory Type
FLASH
Ram Size
32K x 8
Voltage - Supply (vcc/vdd)
1.65 V ~ 1.95 V
Data Converters
A/D 6x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
48-TQFP, 48-VQFP
Processor Series
AT32UC3x
Core
AVR32
Data Bus Width
32 bit
Data Ram Size
32 KB
Interface Type
2-Wire/SPI/USART
Maximum Clock Frequency
60 MHz
Number Of Programmable I/os
28
Number Of Timers
3
Operating Supply Voltage
3.3 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
3rd Party Development Tools
EWAVR32, EWAVR32-BL
Development Tools By Supplier
ATAVRDRAGON, ATSTK500, ATSTK600, ATAVRISP2, ATAVRONEKIT, ATEXTWIFI, ATEVK1101
Minimum Operating Temperature
- 40 C
On-chip Adc
6-ch x 10-bit
Controller Family/series
AVR UC3
No. Of I/o's
28
Ram Memory Size
32KB
Cpu Speed
60MHz
No. Of Timers
1
Rohs Compliant
Yes
For Use With
ATSTK600-TQFP48 - STK600 SOCKET/ADAPTER 48-TQFPATAVRONEKIT - KIT AVR/AVR32 DEBUGGER/PROGRMMR770-1008 - ISP 4PORT ATMEL AVR32 MCU SPIATEVK1101 - KIT DEV/EVAL FOR AVR32 AT32UC3B
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
AT32UC3B1256-AUT
Manufacturer:
ATMEL
Quantity:
1 000
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15. HSB Bus Matrix (HMATRIX)
15.1
15.2
15.3
15.3.1
15.4
15.4.1
32059K–03/2011
Features
Overview
Product Dependencies
Functional Description
Clocks
Special Bus Granting Mechanism
Rev: 2.3.0.2
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The Bus Matrix implements a multi-layer bus structure, that enables parallel access paths
between multiple High Speed Bus (HSB) masters and slaves in a system, thus increasing the
overall bandwidth. The Bus Matrix interconnects up to 16 HSB Masters to up to 16 HSB Slaves.
The normal latency to connect a master to a slave is one cycle except for the default master of
the accessed slave which is connected directly (zero cycle latency). The Bus Matrix provides 16
Special Function Registers (SFR) that allow the Bus Matrix to support application specific
features.
In order to use this module, other parts of the system must be configured correctly, as described
below.
The clock for the HMATRIX bus interface (CLK_HMATRIX) is generated by the Power Manager.
This clock is enabled at reset, and can be disabled in the Power Manager. It is recommended to
disable the HMATRIX before disabling the clock, to avoid freezing the HMATRIX in an undefined
state.
The Bus Matrix provides some speculative bus granting techniques in order to anticipate access
requests from some masters. This mechanism reduces latency at first access of a burst or single
transfer. This bus granting mechanism sets a different default master for every slave.
User Interface on peripheral bus
Configurable Number of Masters (Up to sixteen)
Configurable Number of Slaves (Up to sixteen)
One Decoder for Each Master
Programmable Arbitration for Each Slave
Programmable Default Master for Each Slave
One Cycle Latency for the First Access of a Burst
Zero Cycle Latency for Default Master
One Special Function Register for Each Slave (Not dedicated)
– Round-Robin
– Fixed Priority
– No Default Master
– Last Accessed Default Master
– Fixed Default Master
AT32UC3B
138
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