ATJ2073 ETC, ATJ2073 Datasheet - Page 14

• 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 14 of 45
ICE
Interface
INT
TEST
Reset-
Chip
Select
Interface
KeyBoard
Interface
ATJ2073
105
106
107
108
128
111
112
113
45
47
41
42
40
31
44
49
60
61
43
46
48
51
62
4
3
2
DCDIS
VBAT
DCF2
DCF1
DCOP2
DCOP1
ZICERST-
ZICEEN-
ZICEDI
ZICECK
ZICEDO
NMI-
RESET-
CE0-
CE1-
CE2-
CE3-
CE4-
CE5-
CE6-
GIOF0
KEYO0
SEG12
GIOF1
KEYO1
SEG13
GIOF3
KEYO3
SEG14
GIOF4
KEYO4
SEG15
VP2
TEST
I
I
AI
AI
AI
AO
AO
SIU
SIU
SIU
SIU
O
SIU
SI
SI
O
O
O
O
O
O
O
BI
O
O
BI
O
O
BI
O
O
BI
O
O
L
/
/
/
/
/
H
H
H
H
L
H
L
H
H
H
H
H
H
H
H
Z
Z
Z
Z
Z
Z
Z
Z
Z
Z
Z
Z
Int DC-DC converter disable,
0:enable 1:disable
Battery signal input (1.0-1.5v)
VCC DC-DC feedback pin
VDD DC-DC feedback pin
Input for int. power switch
VCC DC-DC pulse output
VDD DC-DC pulse output
Debug pin, to reset DSU
Debug pin, to enable DSU
Debug pin, data input to DSU
Debug pin, clock into DSU
Debug pin, data output from DSU
Ext. non-maskable interrupt input
Test mode control, 0:normal mode
1:test mode
System reset input
Ext. memory chip select 0
Ext. memory chip select 1
Ext. memory chip select 2
Ext. memory chip select 3
Ext. memory chip select 4
Ext. memory chip select 5
Ext. memory chip select 6
Bit0 of general purpose I/O port F
Bit0 of key scan circuit output
SEG12 of LCD4*28
Bit1 of general purpose I/O port F
Bit1 of key scan circuit output
SEG13 of LCD4*28
Bit3 of general purpose I/O port F
Bit3 of key scan circuit output
SEG14 of LCD4*28
Bit4 of general purpose I/O port F
Bit4 of key scan circuit output
SEG15 of LCD4*28
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