Harman Kardon HK 3485, Service Manual

Page: 32 / 51

53 V
PP
/ ICCSEL I
Must be tied low. In flash programming
mode, this pin acts as the programming volt-
age input V
PP
. See Section 12.9.2 for more
details. High voltage must not be applied to
ROM devices
54 RESET I/O C
T
Top priority non maskable interrupt.
55 EVD External voltage detector
56 TLI I C
T
X Top level interrupt input pin
57 V
SS_2
S Digital Ground Voltage
58 OSC2
3)
I/O
Resonator oscillator inverter output or ca-
pacitor input for RC oscillator
59 OSC1
3)
I
External clock input or Resonator oscillator
inverter input or resistor input for RC oscilla-
tor
60 V
DD_2
S Digital Main Supply Voltage
61 PE0/TDO I/O C
T
X X X X Port E0 SCI Transmit Data Out
62 PE1/RDI I/O C
T
X X X X Port E1 SCI Receive Data In
63 PE2 I/O C
T
X Port E2
64 PE3 I/O C
T
X X X X Port E3
Pin
n°
Pin Name
Typ
e
Level Port
Main
function
(after
reset)
Alternate function
Inpu
t
Outp
ut
Input Output
floa
t
wpu
int
ana
OD
PP
32
HK3485
harman/kardon