ATJ2001 PDA+MP3 Decoder
Actions Semiconductor Co.,LTD
17(1)
AC’97SYNC
O
Z
AC’97 codec sample SYNC
A22
O
L
Bit22 of ext. memory address bus
18
18(1)
ATAD13
BI
L
Bit13 of ATA device data bus
GIOB6
BI
Z
Bit6 of general purpose I/O port B
AC’97SDI
I
Z
AC’97 codec serial data input
19
19(1)
19(2)
DAC3LO
O
Z
Int.
DAC3 right channel digital output
A23
O
L
Bit23 of ext. memory address bus
20
20(1)
ATAD14
BI
L
Bit14 of ATA device data bus
A24
O
L
Bit24 of ext. memory address bus
21
21(1)
ATAD15
BI
L
Bit15 of ATA device data bus
GIOB7
BI
Z
Bit7 of general purpose I/O port B
AC’97SDO
O
Z
AC’97 codec serial data output
22
22(1)
22(2)
DAC3RO
O
Z
Int.
DAC3 right channel digital output
23
VCC
PWR
Power supply for Pads circuits (3.15v)
24
USBD-
A
/
USB negative connect
25
USBD+
A
/
USB positive connect
26
USBVBUS
I
L
USB cable power signal
27
PVDD
A
/
Bypass capacitor for power amplifier
28
PAOR
A
/
Output of right channel power amplifier
29
PAOL
A
/
Output of left channel power amplifier
30
PGND
PWR
/
Ground for power amplifier circuits
31
PAIR
A
/
Input of right channel power amplifier
32
PAIL
A
/
Input of left channel power amplifier
33
AOUTR
A
/
Int. sigma-dalta DAC right channel analog
output
34
AOUTL
A
/
Int. sigma-dalta DAC left channel analog
output
35
VRDA
A
/
Reference voltage for DAC
36
VLAD
A
/
Low voltage for Touch Panel
37
VRAD
A
/
Reference voltage for ADC
38
AGCI
A
/
Microphone ADC amplifier input
39
MICOUT
A
/
Microphone pre-amplifier output
40
MICIN
A
/
Microphone pre-amplifier input
41
VMIC
A
/
Power supply for microphone & Touch Panel
4
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