ATA664251_14 Datasheet, PDF (4/290 Pages) ATMEL Corporation – 16K Flash Microcontroller with LIN Transceiver

Table 2-1. Pin Description (Continued)
Pin
Symbol
Function
20
MISO⁽¹⁾
SPI master-in-slave-out output pin to microcontroller
21
MOSI⁽¹⁾
SPI master-out-slave-in input pin from microcontroller
22
SCK⁽¹⁾
SPI clock input from microcontroller
23
NCS⁽¹⁾
SPI chip select logic input from microcontroller (active low)
24
PWM1⁽¹⁾
PWM control input port from microcontroller for first CS pin group
25
PWM2⁽¹⁾
PWM control input port from microcontroller for second CS pin group
26
PWM3⁽¹⁾
PWM control input port from microcontroller for third CS pin group
27
WDOSC⁽¹⁾
Connection for external resistor to set watchdog frequency
28
VDIV⁽¹⁾
Voltage divider output/watchdog disable input pin
29
IREF⁽¹⁾
Reference current adjustment pin
30
CS1⁽¹⁾
High-voltage current sink/source and switch I/O-pin no. 1
31
CS2⁽¹⁾
High-voltage current sink/source and switch I/O-pin no. 2
32
CS3⁽¹⁾
High-voltage current sink/source and switch I/O-pin no. 3
33
CL15⁽¹⁾
Wake-up on ignition high-voltage input pin
34
VBATT⁽¹⁾
Battery voltage input for voltage divider
35
LIN⁽¹⁾
LIN-bus line input/output
36
PB3
Port B 3 I/O line (PCINT11/OC1BV)
37
PB2
Port B 2 I/O line (PCINT10/OC1AV/USCK/SCL)
38
PB1
Port B 1 I/O line (PCINT9/OC1BU/DO)
39
PB0
Port B 0 I/O line (PCINT8/OC1AU/DI/SDA)
40
PA1
Port A 1 I/O line (PCINT1/ADC1/TXD/TXLIN)
41
PA2
Port A 2 I/O line (PCINT2/ADC2/OC0A/DO/MISO)
42
PA0
Port A 0 I/O line (PCINT0/ADC0/RXD/RXLIN)
43
PA3
Port A 3 I/O line (PCINT3/ADC3/ISRC/INT0)
44
MCUAVCC
Analog supply voltage (referred to as AVCC pin in Section 5. “AVR Microcontroller
Block” on page 45)
45
AGND
Analog ground
46
PA6
Port A 6 I/O line (PCINT6/ADC6/AIN0/SS)
47
PA4
Port A 4 I/O line (PCINT4/ADC4/ICP1/DI/SDA/MOSI)
48
PA5
Port A 5 I/O line (PCINT5/ADC5/T1/USCK/SCL)
Backside
Heat slug is connected to GND
Note: 1. This identifies the pins of the LIN-SBC Atmel^® ATA664151.
4
ATA664251 [DATASHEET]
9269E–AUTO–06/14