AT32UC3B1128-Z1UR Atmel, AT32UC3B1128-Z1UR Datasheet - Page 98
AT32UC3B1128-Z1UR
Manufacturer Part Number
AT32UC3B1128-Z1UR
Description
MCU AVR32 128K FLASH 48-QFN
Manufacturer
Atmel
Series
AVR®32 UC3r
Datasheet
1.AT32UC3B164-AUR.pdf
(680 pages)
Specifications of AT32UC3B1128-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
128KB (128K 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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13. External Interrupt Controller (EIC)
13.1
13.2
32059J–12/2010
Features
Overview
Rev: 2.3.1.0
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The External Interrupt Controller (EIC) allows pins to be configured as external interrupts. Each
external interrupt has its own interrupt request and can be individually masked. Each external
interrupt can generate an interrupt on rising or falling edge, or high or low level. Every interrupt
input has a configurable filter to remove spikes from the interrupt source. Every interrupt pin can
also be configured to be asynchronous in order to wake up the part from sleep modes where the
CLK_SYNC clock has been disabled.
A Non-Maskable Interrupt (NMI) is also supported. This has the same properties as the other
external interrupts, but is connected to the NMI request of the CPU, enabling it to interrupt any
other interrupt mode.
The EIC can wake up the part from sleep modes without triggering an interrupt. In this mode,
code execution starts from the instruction following the sleep instruction.
The External Interrupt Controller has support for keypad scanning for keypads laid out in rows
and columns. Columns are driven by a separate set of scanning outputs, while rows are sensed
by the external interrupt lines. The pressed key will trigger an interrupt, which can be identified
through the user registers of the module.
Dedicated interrupt request for each interrupt
Individually maskable interrupts
Interrupt on rising or falling edge
Interrupt on high or low level
Asynchronous interrupts for sleep modes without clock
Filtering of interrupt lines
Maskable NMI interrupt
Keypad scan support
AT32UC3B
98
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