AT32UC3B1256-Z1UR Atmel, AT32UC3B1256-Z1UR Datasheet - Page 173
AT32UC3B1256-Z1UR
Manufacturer Part Number
AT32UC3B1256-Z1UR
Description
MCU AVR32 256K FLASH 48-QFN
Manufacturer
Atmel
Series
AVR®32 UC3r
Datasheet
1.AT32UC3B164-AUR.pdf
(680 pages)
Specifications of AT32UC3B1256-Z1UR
Package / Case
48-QFN Exposed Pad
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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17.4.1
17.4.2
17.4.3
17.5
32059J–12/2010
Functional Description
Module Configuration
Clocks
Interrupts
Most of the features of the GPIO are configurable for each product. The user must refer to the
Package and Pinout chapter for these settings.
Product specific settings includes:
• Number of I/O pins.
• Functions implemented on each pin
• Peripheral function(s) multiplexed on each I/O pin
• Reset value of registers
The clock for the GPIO bus interface (CLK_GPIO) is generated by the Power Manager. This
clock is enabled at reset, and can be disabled in the Power Manager.
The CLK_GPIO must be enabled in order to access the configuration registers of the GPIO or to
use the GPIO interrupts. After configuring the GPIO, the CLK_GPIO can be disabled if interrupts
are not used.
The GPIO interrupt lines are connected to the interrupt controller. Using the GPIO interrupt
requires the interrupt controller to be configured first.
The GPIO controls the I/O lines of the microcontroller. The control logic associated with each pin
is represented in the figure below:
AT32UC3B
173
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