Harman Kardon AVR 3550 Service Manual page 35

LQFP QFP Pin Name
26 28
27 29
28 30
29 31
30 32
33
31
32 34
P80, P81
45 47
46 48
IRQ0, IRQ1
P82 to P87
50 to 55 52 to 57
IRQ2 to IRQ7
56 58
57 59
58 60
59 61
60 62
61 63
62 64
63 65
PA0 to PA3
64 to 67 66 to 69
OUT0 to OUT3
33 35
34 36
35 37
47 to 49 49 to 51 MD0 to MD2
82 84
21 23
9 11
40 42
79 81
Circuit Type
P71 F
(CMOS)
SOT0
P72
G
SCK0 (CMOS/H)
P73 G
TIN0 (CMOS/H)
P74 F
TOT0 (CMOS/H)
P75
G
(CMOS/H)
PWC2
P76
I
(NMOS/H)
SCL
P77
I
(NMOS/H)
SDA
E
(CMOS/H)
E
(CMOS/H)
P90
E
SIN1
(CMOS/H)
CS0
P91
D
SOT1
(CMOS)
CS1
P92
E
SCK1
(CMOS/H)
CS2
P93
FRCK
E
(CMOS/H)
ADTG
CS3
P94 D
PPG4 (CMOS/H)
P95 D
PPG5 (CMOS)
P96
E
(CMOS/H)
IN0
P97 E
IN1 (CMOS/H)
D
(CMOS)
AVCC -
AVRH -
AVSS -
J
(CMOS/H)
VCC3 -
VCC5 -
VSS -
General-purpose I/O port
The pin functions as an UART data output pin.
General-purpose I/O port
The pin functions as an UART clock I/O pin.
General-purpose I/O port
The pin functions as the event input pin of the 16-bit reload timer.
General-purpose I/O port
The pin functions as the output pin of the 16-bit reload timer.
General-purpose I/O port
The pin functions as a PWC input pin.
General-purpose I/O port
2
The pin functions as the I C interface data I/O pin.
2
While the I C interface is operating, set the port output to Hi-Z.
General-purpose I/O port
2
The pin functions as the I C interface clock I/O pin.
2
While the I C interface is operating, set the port output to Hi-Z.
General-purpose I/O port
The pins function as external interrupt input pins.
General-purpose I/O port
The pins function as external interrupt input pins.
General-purpose I/O port
The pin functions as the simple serial I/O data input pin.
Chip select 0
General-purpose I/O port
The pin functions as the I/O clock I/O pins.
Chip Select 1
General-purpose I/O port
The pin functions as the SCI clock I/O pin.
Chip Select 2
General-purpose I/O port
The pin functions as the external clock input pin while the free-running
timer is in use.
The pin functions as the external trigger input pin while the A/D
converter is in use.
Chip Select 3
General-purpose I/O port
The pin functions as a PPG timer output pin.
General-purpose I/O port
The pin functions as a PPG timer output pin.
General-purpose I/O port
The pin is captured as the input capture ch0 trigger input pin.
General-purpose I/O port
The pin is captured as the input capture ch1 trigger input pin.
General-purpose I/O port
The pins are captured as the output-compare event output pins.
Pin for power supply to A/D converter
Pin for external reference power supply to A/D converter
Pin for power supply to A/D converter
Input pins for selecting operation mode
Pin for power supply 3.3 V ± 0.3 V (VCC3)
Amphibious pin for power supply 3.3 V ± 0.3 V/5.0 V ± 0.5 (VCC5)
Pins for input for power (GND)
Function