IC301
pin
allocations
and
functions
continued
Pin
number
Description
Associated
circuit(s)
14
INT_DISPLAY
To
top
plate
display
via
iPod
header
board
16
STBY_LED
To
top
plate
display
via
iPod
hearer
board
24
ACC_POWER
From
iPod
header
25
IPOD_DETECT
From
iPod
Header
26
VID_CABLE_0
From
multi
pin
video
connector
at
location
SKT200
27
PSU_DISABLE
Regulators
RG602
and
RG603
28
I2C_SDl
Apple
authentication
chip
at
location
IC300
29
I2c_SDA
Apple
authentication
chip
at
location
IC300
30
UC595_CLK
8
bit
shift
register
at
location
IC302(A)
31
UC595_DATA
8
bit
shift
register
at
location
IC302(A)
33
PROGRAM_SW
No
Fit
34
HOST_SPI_DATA_OUT
IC405
and
debug
35
HOST_SPI_CLK
IC405
and
debug
36
HOST_SPI_CS*
IC405
and
debug
37
UC595_LATCH
8
bit
shift
register
at
location
IC301(A)
38
USB_PWR_FAULT
From
IC601
41
SPI_MODE0
Receive
/
Transmit
toggle
via
IC403
42
SPI_MODE1
Receive
/
Transmit
toggle
via
IC403
43
VID_CABLE_1
From
multi
pin
video
connector
at
location
SKT200
44
IR_EYE
From
iPod
header
interface
45
CHARGE_DISABLE
To
IC603
via
Mosfet
M602
46
ATMEL_/OE
47
UART_UC_TO_KLEER
Kleer
interface
data
54
VOL_CLK
To
IC501
/
IC502
volume
controls
55
VOL_DAT
To
IC501
/
IC502
volume
controls
57
IPOD_TO_UC_RS232
iPod
interface
Data
58
UC_TO_IPOD_RS232
iPod
interface
Data
59
UART_KLEER_TO_UC
Kleer
interface
data
60
HOST_SPI_DATA_IN
IC405
and
debug
61
AMP_SHDN*
To
power
amp
packages
IC504,
IC504,
IC506
62
AMP_MUTE*
To
power
amp
packages
IC504,
IC504,
IC506
50
USB_D+_UC
USB
stick
via
ESD
protection
package
IC304
51
USB_D
‐
_UC
USB
stick
via
ESD
protection
package
IC304
52
+5V(USB)_STICK
+5V
USB
stick
PSU