![background image](http://html2.mh-extra.com/html/harman-kardon/avr-135/avr-135_service-manual_4028119086.webp)
MB9048
2
(Continued)
Pin No.
Pin name
Circuit
type
Function
LQFP*
1
QFP*
2
74
76
P56
D
(CMOS)
This is a general purpose I/O port. In external bus mode, when
the RYE bit in the EPCR register is set to “1”, this pin functions
as the RDY pin.
RDY
In external bus mode, this pin functions as the external ready
(RDY) input pin. When the RYE bit in the EPCR register is set to
“0”, this pin functions as a general purpose I/O port.
76
78
P57
D
(CMOS)
This is a general purpose I/O port. In external bus mode, when
the CKE bit in the EPCR register is set to “1”, this pin functions
as the CLK pin.
CLK
In external bus mode, this pin functions as the machine cycle
clock (CLK) output pin. When the CKE bit in the EPCR register is
set to “0”, this pin functions as a general purpose I/O port.
36 to 39 38 to 41
P60 to P63
H
(CMOS)
These are general purpose I/O ports.
AN0 to AN3
These are the analog input pins.
41 to 44 43 to 46
P64 to P67
H
(CMOS)
These are general purpose I/O ports.
AN4 to AN7
These are the analog input pins.
25
27
P70
G
(CMOS/H)
This is a general purpose I/O port.
SIN0
This is the UART data input pin.
26
28
P71
F
(CMOS)
This is a general purpose I/O port.
SOT0
This is the UART data output pin.
27
29
P72
G
(CMOS/H)
This is a general purpose I/O port.
SCK0
This is the UART clock I/O pin.
28
30
P73
G
(CMOS/H)
This is a general purpose I/O port.
TIN0
This is the 16-bit reload timer event input pin.
29
31
P74
F
(CMOS)
This is a general purpose I/O port.
TOT0
This is the 16-bit reload timer output pin.
30
32
P75
F*
4
(CMOS)
This is a general purpose I/O port.
31
33
P76
F*
5
(CMOS)
This is a general purpose I/O port.
32
34
P77
F*
5
(CMOS)
This is a general purpose I/O port.
45,
46
47,
48
P80, P81
E
(CMOS/H)
These are general purpose I/O ports.
IRQ0, IRQ1
External interrupt input pins.
50 to 55 52 to 57
P82 to P87
E
(CMOS/H)
These are general purpose I/O ports.
IRQ2 to IRQ7
External interrupt input pins.
AVR135
harman/kardon
86
Summary of Contents for AVR 135
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Page 80: ...LC74763 74763M Pin Assignment Serial Data Input Timing Top view AVR135 harman kardon 80...
Page 81: ...System Block Diagram LC74763 74763M AVR135 harman kardon 81...
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Page 106: ...CAM350 PRO V 7 6 Mon Sep 01 10 29 56 2003 Untitled AVR135 harman kardon 106...
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Page 111: ...VR PART Text AVR135 harman kardon 111...
Page 112: ...AVR135 harman kardon 112 M A I N B O A...
Page 113: ...AVR135 harman kardon 113 M A I N BO A R D 2 B...
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