ATJ2073 ETC, ATJ2073 Datasheet - Page 20

• Manufacturer Part Number: ATJ2073
• Description: The Atj2073 is a Single-chip Highly-intergrated Digital Music System Solution for Devices such as Dedicated Audio Players, Pdas, and cell Phones
• Manufacturer: ETC

Page 20 of 45
Crystal
Interface
USB
Interface
Power
Amplifier
Interface
DAC
Output
Interface
ADC
Interface
ATJ2073
116
117
76
52
53
54
55
56
57
58
59
64
65
78
79
80
81
82
83
85
86
87
88
89
90
91
92
93
94
95
A24
D0
D1
D2
D3
D4
D5
D6
D7
LOSCI
LOSCO
HOSCI
HOSCO
USBD-
USBD+
USBVBUS
PVDD
PAOR
PAOL
PAIR
PAIL
AOUTR
AOUTL
VRDA
NC
VRAD
AGCI
MICOUT
MICIN
VMIC
O
BI
BI
BI
BI
BI
BI
BI
BI
AI
AO
AI
AO
A
A
I
A
A
A
A
A
A
A
A
/
A
A
A
A
A
L
Z
Z
Z
Z
Z
Z
Z
Z
/
/
/
/
/
/
L
/
/
/
/
/
/
/
/
/
/
/
/
/
/
Bit24 of ext. memory address bus
/GPO
Bit0 of ext. memory data bus
Bit1 of ext. memory data bus
Bit2 of ext. memory data bus
Bit3 of ext. memory data bus
Bit4 of ext. memory data bus
Bit5 of ext. memory data bus
Bit6 of ext. memory data bus
Bit7 of ext. memory data bus
Low frequency crystal OSC input
Low frequency crystal OSC output
High frequency crystal OSC input
High frequency crystal OSC output
USB negative connect
USB positive connect
USB cable power signal
Bypass capacitor for power amplifier
Output of right channel power
amplifier
Output of
amplifier
Input
amplifier
Input of
amplifier
Int. sigma-dalta DAC right channel
analog output
Int. sigma-dalta DAC left channel
analog output
Reference voltage for ADC
Reference voltage for ADC
Microphone ADC amplifier input
Microphone pre-amplifier output
Microphone pre-amplifier input
Power supply for microphone bias
circuits
of
right
Actions Semiconductor Co.,LTD
left channel power
left channel power
channel
power
Data Sheet