Table 1-1. Pin Description (Continued)
Symbol Function
Pin
20(1)
21(1)
22(1)
23(1)
24(1)
25(1)
26(1)
27(1)
28(1)
29(1)
30(1)
31(1)
32(1)
33
NRES
Watchdog and under voltage reset output (open drain)
WD_OSC External resistor for adjustable watchdog timing
TM
MODE
KL_15
PVCC
VCC
VS
Tie to ground – for factory use only
Connect to GND for normal watchdog operation or connect to VCC for debug mode
Ignition detection (edge sensitive)
Voltage regulator sense input
Voltage regulator output
Battery connection
EN
LIN-transceiver enable input
NTRIG
WAKE
GND
LIN
Watchdog trigger input (negative edge)
System-basis-chip external wake-up input
Analog system GND
LIN-bus input/output
PD3
Port D 3 I/O line (INT1 OC2B/PCINT19)
Port D 4 I/O line (T0/XCK/PCINT20)
Ground
34
PD4
35
GND1
Microcontroller supply voltage (referred to as VCC pin in Section 5. “Microcontroller Block” on
page 27 and Section 6. “2-wire Serial Interface Characteristics” on page 276)
36
37
38
MCUVCC
GND2
Ground
Microcontroller supply voltage (referred to as VCC pin in Section 5. “Microcontroller Block” on
page 27 and Section 6. “2-wire Serial Interface Characteristics” on page 276)
MCUVCC
39
40
PB6
PB7
PD5
PD6
PD7
PB0
PB1
PB2
PB3
PB4
Port B 6 I/O line (TOSC1/XTAL1/PCINT6)
Port B 7 I/O line (TOSC2/XTAL2/PCINT7)
Port D 5 I/O line (T1/OC0B/PCINT21)
Port D 6 I/O line (AIN0/OC0A PCINT22)
Port D 7 I/O line (AIN1/PCINT23)
41
42
43
44
Port B 0 I/O line (ICP1/CLKO/PCINT0)
Port B 1 I/O line (OC1A/PCINT1)
45
46
Port B 2 I/O line (OC1B/SS/PCINT2)
Port B 3 I/O line (MOSI/OC2A/PCINT3)
Port B 4 I/O line (MISO/PCINT4)
47
48
Backside
Heat slug is connected to GND
Note:
1. This identifies the pins of the LIN SBC Atmel ATA6624
4
ATA6612C/ATA6613C [DATASHEET]
9111L–AUTO–11/14