ATA6616-P3QW Atmel, ATA6616-P3QW Datasheet - Page 15
![no-image](/images/manufacturer_photos/0/0/78/atmel_sml.jpg)
ATA6616-P3QW
Manufacturer Part Number
ATA6616-P3QW
Description
TXRX MULTICHIP MOD LIN SIP 38QFN
Manufacturer
Atmel
Series
AVR® ATA66 LIN-SBCr
Datasheet
1.ATA6617-EK.pdf
(308 pages)
Specifications of ATA6616-P3QW
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
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
ATA6616-P3QW
Manufacturer:
ATMEL
Quantity:
950
Part Number:
ATA6616-P3QW
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
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3.5.5
3.5.6
9132D–AUTO–12/10
Fail-safe Features
Voltage Regulator
The voltage regulator needs an external capacitor for compensation and for smoothing the
disturbances from the microcontroller. It is recommended to use an electrolythic capacitor with
C > 1.8µF and a ceramic capacitor with C = 100nF. The values of these capacitors can be var-
ied by the customer, depending on the application.
The main power dissipation of the IC is created from the VCC output current I
needed for the application. In
ATA6616/ATA6617 is shown.
• During a short-circuit at LIN to V
• During a short-circuit from LIN to GND the IC can be switched into Sleep or Silent Mode. If
• The reverse current is very low < 2µA at the LIN pin during loss of V
• During a short circuit at VCC, the output limits the output current to I
• EN pin provides a pull-down resistor to force the transceiver into recessive mode if EN is
• RXD pin is set floating if V
• TXD pin provides a pull-up resistor to force the transceiver into recessive mode if TXD is
• If TXD is short-circuited to GND, it is possible to switch to Sleep Mode via ENABLE after
• If the WD_OSC pin has a short-circuit to GND or the resistor is disconnected, the watchdog
the power dissipation, the chip temperature exceeds T
off. The chip cools down and after a hysteresis of T
stays on high because LIN is high. During LIN overtemperature switch-off, the VCC
regulator works independently.
the short-circuit disappears, the IC starts with a remote wake-up.
behavior for bus systems where some slave nodes are supplied from battery or ignition.
undervoltage, NRES switches to low and sends a reset to the microcontroller. The IC
switches into Fail-safe Mode. If the chip temperature exceeds the value T
output switches off. The chip cools down and after a hysteresis of T
on again. Because of the Fail-safe Mode, the VCC voltage will switch on again even though
EN is switched off from the microcontroller. The microcontroller can start with its normal
operation.
disconnected.
disconnected.
t
runs with an internal oscillator and guarantees a reset after the second NTRIG signal at the
latest.
dom
> 20ms.
Batt
Figure 3-8 on page 16
is disconnected.
Battery
, the output limits the output current to I
Atmel ATA6616/ATA6617
hys
the safe operating area of the Atmel
, switches the output on again. RXD
LINoff
, and the LIN output is switched
hys
Batt
VCC_lin
, switches the output
. This is optimal
VCCoff
. Due to
BUS_lim
VCC
, the VCC
, which is
. Due to
15
®
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