ATA6616-P3PW Atmel, ATA6616-P3PW Datasheet - Page 85
ATA6616-P3PW
Manufacturer Part Number
ATA6616-P3PW
Description
TXRX MULTICHIP MOD LIN SIP 38QFN
Manufacturer
Atmel
Series
AVR® ATA66 LIN-SBCr
Datasheet
1.ATA6617-EK.pdf
(308 pages)
Specifications of ATA6616-P3PW
Core Processor
AVR
Core Size
8-Bit
Speed
16MHz
Connectivity
I²C, LIN, SPI, UART/USART, USI
Peripherals
Brown-out Detect/Reset, POR, PWM, Temp Sensor, WDT
Number Of I /o
16
Program Memory Size
8KB (8K x 8)
Program Memory Type
FLASH
Eeprom Size
512 x 8
Ram Size
512 x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.5 V
Data Converters
A/D 11x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 125°C
Package / Case
38-VQFN
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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4.9
4.9.1
9132D–AUTO–12/10
External Interrupts
Overview
The External Interrupts are triggered by the INT1..0 pins or any of the PCINT15..0 pins.
Observe that, if enabled, the interrupts will trigger even if the INT1..0 or PCINT15..0 pins are
configured as outputs. This feature provides a way of generating a software interrupt.
The pin change interrupt PCINT1 will trigger if any enabled PCINT15..8 pin toggles. The pin
change interrupt PCINT0 will trigger if any enabled PCINT7..0 pin toggles. The PCMSK1 and
PCMSK0 Registers control which pins contribute to the pin change interrupts. Pin change
interrupts on PCINT15..0 are detected asynchronously. This implies that these interrupts can
be used for waking the part also from sleep modes other than Idle mode.
The INT1..0 interrupts can be triggered by a falling or rising edge or a low level. This is set up
as indicated in the specification for the External Interrupt Control Register A – EICRA. When
the INT1..0 interrupts are enabled and are configured as level triggered, the interrupts will trig-
ger as long as the pin is held low. The recognition of falling or rising edge interrupts on INT1..0
requires the presence of an I/O clock, described in
Distribution” on page
asynchronously. This implies that these interrupts can be used for waking the part also from
sleep modes other than Idle mode. The I/O clock is halted in all sleep modes except Idle
mode.
Note that if a level triggered interrupt is used for wake-up from Power-down or Power-save,
the required level must be held long enough for the MCU to complete the wake-up to trigger
the level interrupt. If the level disappears before the end of the Start-up Time, the MCU will still
wake up, but no interrupt will be generated. The start-up time is defined by the SUT and
CKSEL Fuses as described in
48.
48. Low level interrupts and the edge interrupt on INT1..0 are detected
Section 4.5.1 “Clock Systems and their Distribution” on page
Atmel ATA6616/ATA6617
Section 4.5.1 “Clock Systems and their
85
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