ATA6617-P3PW Atmel, ATA6617-P3PW Datasheet - Page 7

• Manufacturer Part Number: ATA6617-P3PW
• Description: MCU W/LIN TX/5V REG/WTCDG 38VQFN
• Manufacturer: Atmel
• Series: AVR® ATA66 LIN-SBCr

Specifications of ATA6617-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: 16KB (16K 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

3.3.8
3.3.9
3.3.10
3.3.11
3.3.12
3.3.13
9132D–AUTO–12/10
TXD Dominant Time-out Function
Output Pin (RXD)
Enable Input Pin (EN)
Wake Input Pin (WAKE)
Mode Input Pin (MODE)
TM Input Pin
The TXD input has an internal pull-up resistor. An internal timer prevents the bus line from
being driven permanently in dominant state. If TXD is forced to low for longer than t
the LIN-bus driver is switched to recessive state.
To reactivate the LIN-bus driver, switch TXD to high (> 10µs).
The Output pin reports the state of the LIN bus to the microcontroller. LIN high (recessive
state) is reported by a high level at RXD; LIN low (dominant state) is reported by a low level at
RXD. The output has an internal pull-up resistor with typically 5k to VCC. The AC character-
istics can be defined with an external load capacitor of 20pF.
The output is short-circuit protected. RXD is switched off in Unpowered Mode (i.e., V
The Enable Input pin controls the operation mode of the device. If EN is high, the circuit is in
Normal Mode with transmission paths from TXD to LIN and from LIN to RXD both active. The
VCC voltage regulator operates with 5V/50 mA output capability.
If EN is switched to low while TXD is still high, the device is forced to Silent Mode. No data
transmission is then possible, and the current consumption is reduced to I
VCC regulator has its full functionality.
If EN is switched to low while TXD is low, the device is forced to Sleep Mode. No data trans-
mission is possible, and the voltage regulator is switched off.
The Wake Input pin is a high-voltage input used to wake up the device from Sleep Mode or
Silent Mode. It is usually connected to an external switch in the application to generate a local
wake-up. A pull-up current source, typically 10µA, is implemented.
If a local wake-up is not needed for the application, connect the Wake pin directly to the VS
pin.
Connect the MODE pin directly or via an external resistor to GND for normal watchdog opera-
tion. To debug the software of the connected microcontroller, connect the MODE pin to VCC
and the watchdog is switched off.
The TM pin is used for final production measurements at Atmel. In normal application, it must
always be connected to GND.
Atmel ATA6616/ATA6617
VS
typ. 57µA. The
DOM
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= 0V).
> 6ms,
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