ATA6616-P3PW Atmel, ATA6616-P3PW Datasheet - Page 8
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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3.3.14
3.3.15
3.3.16
3.3.17
3.3.18
3.3.19
8
Atmel ATA6616/ATA6617
KL_15 Pin
INH Output Pin
Reset Output Pin (NRES)
WD_OSC Output Pin
NTRIG Input Pin
Wake-up Events from Sleep or Silent Mode
The KL_15 pin is a high-voltage input used to wake up the device from Sleep or Silent Mode.
It is an edge-sensitive pin (low-to-high transition). It is usually connected to ignition to generate
a local wake-up in the application when the ignition is switched on. Although KL_15 pin is at
high voltage (V
KL_15 pin directly to GND if you do not need it. A debounce timer with a typical Tdb
160µs is implemented.
The input voltage threshold can be adjusted by varying the external resistor due to the input
current I
ceramic capacitor of 100nF are recommended. With this RC combination you can increase the
wake-up time Tw
You can also increase the wake-up time using external capacitors with higher values.
The INH Output pin is used to switch an external voltage regulator on during Normal or
Fail-safe Mode. The INH pin is switched off in Sleep or Silent Mode. It is possible to switch off
the external 1k master resistor via the INH pin for master node applications. The INH pin is
switched off during VCC undervoltage reset.
The Reset Output pin, an open-drain output, switches to low during V
watchdog failure.
The WD_OSC Output pin provides a typical voltage of 1.2V, which supplies an external resis-
tor with values between 34k and 120k to adjust the watchdog oscillator time.
The NTRIG Input pin is the trigger input for the window watchdog. A pull-up resistor is imple-
mented. A negative edge triggers the watchdog. The trigger signal (low) must exceed a
minimum time t
• LIN-bus
• WAKE pin
• EN pin
• KL_15
KL_15
. To protect this pin against voltage transients, a serial resistor of 47 k and a
trigmin
Batt
KL_15
), it is possible to switch the IC into Sleep or Silent Mode. Connect the
to generate a watchdog trigger.
and, therefore, the sensitivity against transients on the ignition Kl.15.
CC
undervoltage or a
9132D–AUTO–12/10
Kl_15
of
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