ATA6603P-PLQW Atmel, ATA6603P-PLQW Datasheet - Page 15
ATA6603P-PLQW
Manufacturer Part Number
ATA6603P-PLQW
Description
MCU W/LIN TXRX REG WTCHDG 48-QFN
Manufacturer
Atmel
Series
AVR® ATA66 LIN-SBCr
Datasheet
1.ATA6603P-PLQW.pdf
(360 pages)
Specifications of ATA6603P-PLQW
Core Processor
AVR
Core Size
8-Bit
Speed
16MHz
Connectivity
I²C, LIN, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
23
Program Memory Size
16KB (16K x 8)
Program Memory Type
FLASH
Eeprom Size
512 x 8
Ram Size
1K x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 125°C
Package / Case
48-QFN Exposed Pad
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
ATA6603P-PLQW
Manufacturer:
ATMEL
Quantity:
2 000
Part Number:
ATA6603P-PLQW
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
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3.3.17
4921E–AUTO–09/09
Voltage Regulator
The voltage regulator needs an external capacitor for compensation and to smooth the distur-
bances from the microcontroller. It is recommend to use an tantalum capacitor with C > 1.8 µF
and a caramic capacitor with C = 100 nF. The values of these capacitors can be varied by the
customer, depending on the application.
During mode change from Silent to Normal mode, the voltage regulator ramps up to 6V for only
a few microseconds before it drops back to 5V. This behavior depends on the value of the load
capacitor. With 4.7 µF, the overshoot voltage has its greatest value. This voltage decreases with
higher or lower load capacitors.
The main power dissipation of the IC is created from the V
needed for the application.
In
Figure 3-8.
• If the WD_OSC pin has a short circuit to GND or the resistor is disconnected, the watchdog
• The WD_OSC pin is a constant voltage regulator which supplies 2.5V for the external resistor
Figure 3-9 on page 16
oscillator runs with a high frequency and guarantees a reset. In order to activate this feature
in any condition it is recommended to enter the Silent mode (via the Normal mode) directly
after power up.
ROSC to adjust the watchdog timing. This output is short circuit protected. A short circuit to
GND causes a reset a pin NRES after typically 4 ms. An open circuit causes a reset at pin
NRES after typically 7 ms.
NRES
VDD
VS
V
5.5V
12V
thun
3V
5V
5V
VDD Voltage Regulator: Ramp Up and Undervoltage
you see the safe operating range of the LIN-SBC.
t
vcc
t
res
ATA6602/ATA6603
DD
output current I
t
res_f
VDD
, which is
t
t
t
15
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