ATJ2073 Datasheet, PDF (8/45 Pages) List of Unclassifed Manufacturers – The ATJ2073 is a single-chip highly-intergrated digital music system solution for devices such as dedicated audio players, PDAs, and cell phones

ATJ2073
11⁽²⁾
KEYI2
SEG2
11⁽³⁾
12 GIOD5
12⁽¹⁾
12⁽²⁾
TCPD5
KEYI1
12⁽³⁾
SEG1
13 GND
14 GIOD4
14⁽¹⁾
14⁽²⁾
14⁽³⁾
TCPD4
KEYI0
SEG0
15 VDD
16 GIOD3
16⁽¹⁾
16⁽³⁾
TCPD3
COM3
17 GIOD2
17⁽¹⁾
17⁽³⁾
TCPD2
COM2
18 GIOD1
18⁽¹⁾
18⁽³⁾
TCPD1
COM1
19 GIOD0
19⁽¹⁾
19⁽³⁾
TCPD0
COM0
20 MWR-
20⁽¹⁾
WE-
21 MRD-
21⁽¹⁾
RE
22 A0
23 A1
24 A2
25 A3
26 A4
27 A5
I
Z
OZ
BI Z
OZ
I
Z
OZ
PWR /
BI Z
OZ
I
Z
OZ
PWR
BI Z
OZ
OZ
BI Z
OZ
OZ
BI Z
OZ
OZ
BI Z
OZ
OZ
BI H
OH
BI H
OH
BI L
BI L
BI L
BI L
BI L
BI L
Page 8 of 45
Bit2 of key scan circuit input
SEG2 of int. 4comX28seg LCD driver
Bit5 of general purpose I/O port D
Bit5 of Epson Series LCM data bus
Bit1 of key scan circuit input
SEG1 of int. 4comX28seg LCD driver
Digital signal ground
Bit4 of general purpose I/O port D
Bit4 of Epson Series LCM data bus
Bit0 of key scan circuit input
SEG0 of int. 4comX28seg LCD driver
Power supply for core
Bit3 of general purpose I/O port D
Bit3 of Epson Series LCM data bus
COM3 of int. 4comX28seg LCD driver
Bit2 of general purpose I/O port D
Bit2 of Epson Series LCM data bus
COM2 of int. 4comX28seg LCD driver
Bit1 of general purpose I/O port D
Bit1 of Epson Series LCM data bus
COM1 of int. 4comX28seg LCD driver
Bit0 of general purpose I/O port D
Bit0 of Epson Series LCM data bus
COM0 of int. 4comX28seg LCD driver
Ext. memory write active signal
Nand type flash write enable
Ext. memory read active signal
Nand type flash read enable
Bit0 of ext. memory address bus
Bit1 of ext. memory address bus
Bit2 of ext. memory address bus
Bit3 of ext. memory address bus
Bit4 of ext. memory address bus
Bit5 of ext. memory address bus
Data Sheet
Actions Semiconductor Co.,LTD