ATJ2001 PDA+MP3 Decoder
Actions Semiconductor Co.,LTD
1. Pin descriptions
Pin No.
1
2
3
4
4
(1)
5
5
(1)
6
6
(1)
7
7
(1)
8
8
(1)
9
9
(1)
10
10
(1)
11
11
(1)
12
12
(1)
13
13
(1)
14
14
(1)
15
15
(1)
16
16
(1)
17
3
Pin Name
LOSCI
LOSCO
GND
A15
CLE
AC’97RST-
ATA_RST-
A16
ALE
GIOB0
DAC_BCK
A17
ATAD8
GIOB1
DAC_LR
A18
ATAD9
GIOB2
DAC_SDATA
A19
ATAD10
GIOB3
DAC_FS256
A20
ATAD11
GIOB4
AC’97BITCK
A21
ATAD12
GIOB5
I/O
Type
AI
AO
PWR
O
O
O
O
O
O
BI
O
O
BI
BI
O
O
BI
BI
O
O
BI
BI
O
O
BI
BI
O
O
BI
BI
Reset
Default
/
/
/
L
L
H
H
L
L
Z
Z
L
L
Z
Z
L
L
Z
Z
L
L
Z
Z
L
L
Z
Z
L
L
Z
Short Description
Low frequency crystal OSC input
Low frequency crystal OSC output
Digital signal ground
Bit15 of ext. memory address bus
Command latch enable of Nand type flash
Reset to AC’97 block
ATA device reset
Bit16 of ext. memory address bus
Address latch enable of Nand type flash
Bit0 of general purpose I/O port B
Ext.
DAC bit clock output
Bit17 of ext. memory address bus
Bit8 of ATA device data bus
Bit1 of general purpose I/O port B
Ext.
DAC left/right channel output
Bit18 of ext. memory address bus
Bit9 of ATA device data bus
Bit2 of general purpose I/O port B
Ext.
DAC serial data output
Bit19 of ext. memory address bus
Bit10 of ATA device data bus
Bit3 of general purpose I/O port B
Ext.
DAC 256x over sampling clock
Bit20 of ext. memory address bus
Bit11 of ATA device data bus
Bit4 of general purpose I/O port B
AC’97 codec bit clock
Bit21 of ext. memory address bus
Bit12 of ATA device data bus
Bit5 of general purpose I/O port B
Tel
86-756-3392353
Fax
86-756-3392251
ATJ2001 PDA+MP3 Decoder
Actions Semiconductor Co.,LTD
17
(1)
AC’97SYNC
O
18
18
(1)
19
19
(1)
19
(2)
20
20
(1)
21
21
(1)
22
22
(1)
22
(2)
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
A22
ATAD13
GIOB6
AC’97SDI
DAC3LO
A23
ATAD14
A24
ATAD15
GIOB7
AC’97SDO
DAC3RO
VCC
USBD-
USBD+
USBVBUS
PVDD
PAOR
PAOL
PGND
PAIR
PAIL
AOUTR
AOUTL
VRDA
VLAD
VRAD
AGCI
MICOUT
MICIN
VMIC
O
BI
BI
I
O
O
BI
O
BI
BI
O
O
PWR
A
A
I
A
A
A
PWR
A
A
A
A
A
A
A
A
A
A
A
/
/
L
/
/
/
/
/
/
/
/
/
/
/
/
/
/
/
Z
L
L
Z
Z
Z
L
L
L
L
Z
Z
Z
AC’97 codec sample SYNC
Bit22 of ext. memory address bus
Bit13 of ATA device data bus
Bit6 of general purpose I/O port B
AC’97 codec serial data input
Int.
DAC3 right channel digital output
Bit23 of ext. memory address bus
Bit14 of ATA device data bus
Bit24 of ext. memory address bus
Bit15 of ATA device data bus
Bit7 of general purpose I/O port B
AC’97 codec serial data output
Int.
DAC3 right channel digital output
Power supply for Pads circuits (3.15v)
USB negative connect
USB positive connect
USB cable power signal
Bypass capacitor for power amplifier
Output of right channel power amplifier
Output of
left channel power amplifier
Ground for power amplifier circuits
Input of right channel power amplifier
Input of
left channel power amplifier
Int. sigma-dalta DAC right channel analog
output
Int. sigma-dalta DAC left channel analog
output
Reference voltage for DAC
Low voltage for Touch Panel
Reference voltage for ADC
Microphone ADC amplifier input
Microphone pre-amplifier output
Microphone pre-amplifier input
Power supply for microphone & Touch Panel
4
Tel
86-756-3392353
Fax
86-756-3392251
ATJ2001 PDA+MP3 Decoder
Actions Semiconductor Co.,LTD
42
AGND
PWR
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
Y2
Y1
X1
X2
AVCC
BATSEL
IBIAS
VREFI
VL0
VL1
VL2
VL3
DCDIS
VBAT
DCF3
DCF2
DCF1
VP1
VDD
VP2
DCOP2
DCOP3
DCOP1
AVDD
AVSS
HOSCI
HOSCO
GND
AI
AI
AI
AI
PWR
I
I
A
AI
AI
AI
AI
I
I
AI
AI
AI
PWR
PWR
AI
AO
AO
AO
PWR
PWR
AI
AO
PWR
/
/
/
/
/
/
/
/
/
/
/
L
/
/
/
/
/
Analog ground for record, touch panel and
ADC blocks
Connect to touch panel Y2
Connect to touch panel Y1
Connect to touch panel X1
Connect to touch panel X2
Power supply for record, touch panel and
ADC blocks (3.15v)
Battery select, 0:one battery 1:two batteries
Int. bias pin with a ext.R(1.5Mohm) to
ground
Reference voltage input (1.5v)
Battery monitor reference voltage input
(1.40v)
Battery monitor reference voltage input
(1.30v)
Battery monitor reference voltage input
(1.15v)
Battery monitor reference voltage input
(1.05v)
Int DC-DC convertor disable,
0:enable 1:disable
Battery signal input
(1.0-1.5v)
The third DC-DC feedback pin
VCC(3.15V) DC-DC feedback pin
VDD(2.35V) DC-DC feedback pin
Power supply for int. regulator
Power supply for core (2.35v)
Input for int. power switch
VCC(3.15V) DC-DC pulse output
The third DC-DC pulse output
VDD(2.35V) DC-DC pulse output
Power supply for PLL analog circuits (2.35v)
Ground for PLL analog circuits
High frequency crystal OSC input
High frequency crystal OSC output
Digital signal ground
5
Tel
86-756-3392353
Fax
86-756-3392251
京公网安备 11010802033920号
EEWORLD
