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| 型號(hào)： | ATJ2073 |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | The ATJ2073 is a single-chip highly-intergrated digital music system solution for devices such as dedicated audio players, PDAs, and cell phones |
| 中文描述： | 在ATJ2073是一種單芯片高intergrated數(shù)字音樂的設(shè)備系統(tǒng)，如專用的音頻播放器，PDA和手機(jī)解決方案 |
| 文件頁(yè)數(shù)： | 8/45頁(yè) |
| 文件大?。?/td> | 690K |
| 代理商： | ATJ2073 |
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ATJ2073
Data Sheet
KEYI2
I
Z
Bit2 of key scan circuit input
Page 8 of 45
Actions Semiconductor Co.,LTD
11
(2)
11
(3)
12
12
(1)
12
(2)
12
(3)
SEG2
O
Z
SEG2 of int. 4comX28seg LCD driver
GIOD5
BI
Z
Bit5 of general purpose I/O port D
TCPD5
O
Z
Bit5 of Epson Series LCM data bus
KEYI1
I
Z
Bit1 of key scan circuit input
SEG1
O
Z
SEG1 of int. 4comX28seg LCD driver
13
GND
PWR /
Digital signal ground
GIOD4
BI
Z
Bit4 of general purpose I/O port D
TCPD4
O
Z
Bit4 of Epson Series LCM data bus
KEYI0
I
Z
Bit0 of key scan circuit input
14
14
(1)
14
(2)
14
(3)
SEG0
O
Z
SEG0 of int. 4comX28seg LCD driver
15
VDD
PWR
Power supply for core
GIOD3
BI
Z
Bit3 of general purpose I/O port D
TCPD3
O
Z
Bit3 of Epson Series LCM data bus
16
16
(1)
16
(3)
COM3
O
Z
COM3 of int. 4comX28seg LCD driver
GIOD2
BI
Z
Bit2 of general purpose I/O port D
TCPD2
O
Z
Bit2 of Epson Series LCM data bus
17
17
(1)
17
(3)
COM2
O
Z
COM2 of int. 4comX28seg LCD driver
GIOD1
BI
Z
Bit1 of general purpose I/O port D
TCPD1
O
Z
Bit1 of Epson Series LCM data bus
18
18
(1)
18
(3)
COM1
O
Z
COM1 of int. 4comX28seg LCD driver
GIOD0
BI
Z
Bit0 of general purpose I/O port D
TCPD0
O
Z
Bit0 of Epson Series LCM data bus
19
19
(1)
19
(3)
COM0
O
Z
COM0 of int. 4comX28seg LCD driver
MWR-
BI
H
Ext. memory write active signal
20
20
(1)
WE-
O
H
Nand type flash write enable
MRD-
BI
H
Ext. memory read active signal
21
21
(1)
RE
O
H
Nand type flash read enable
22
A0
BI
L
Bit0 of ext. memory address bus
23
A1
BI
L
Bit1 of ext. memory address bus
24
A2
BI
L
Bit2 of ext. memory address bus
25
A3
BI
L
Bit3 of ext. memory address bus
26
A4
BI
L
Bit4 of ext. memory address bus
27
A5
BI
L
Bit5 of ext. memory address bus
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