參數(shù)資料
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(lè)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): 14/45頁(yè)
文件大?。?/td> 690K
代理商: ATJ2073
ATJ2073
Data Sheet
105
DCDIS
I
L
Page 14 of 45
Actions Semiconductor Co.,LTD
Int DC-DC converter disable,
0:enable 1:disable
Battery signal input (1.0-1.5v)
106
VBAT
I
107
DCF2
AI
/
VCC DC-DC feedback pin
108
DCF1
AI
/
VDD DC-DC feedback pin
111
VP2
AI
/
Input for int. power switch
112
DCOP2
AO
/
VCC DC-DC pulse output
113
DCOP1
AO
/
VDD DC-DC pulse output
45
ZICERST-
SIU
H
Debug pin, to reset DSU
47
ZICEEN-
SIU
H
Debug pin, to enable DSU
41
ZICEDI
SIU
H
Debug pin, data input to DSU
42
ZICECK
SIU
H
Debug pin, clock into DSU
ICE
Interface
40
ZICEDO
O
L
Debug pin, data output from DSU
INT
31
NMI-
SIU
H
Ext. non-maskable interrupt input
TEST
44
TEST
SI
L
Test mode control, 0:normal mode
1:test mode
System reset input
Reset-
49
RESET-
SI
H
60
CE0-
O
H
Ext. memory chip select 0
61
CE1-
O
H
Ext. memory chip select 1
43
CE2-
O
H
Ext. memory chip select 2
46
CE3-
O
H
Ext. memory chip select 3
48
CE4-
O
H
Ext. memory chip select 4
51
CE5-
O
H
Ext. memory chip select 5
Chip
Select
Interface
62
CE6-
O
H
Ext. memory chip select 6
GIOF0
KEYO0
BI
O
Z
Z
Bit0 of general purpose I/O port F
Bit0 of key scan circuit output
4
SEG12
O
Z
SEG12 of LCD4*28
GIOF1
KEYO1
BI
O
Z
Z
Bit1 of general purpose I/O port F
Bit1 of key scan circuit output
3
SEG13
O
Z
SEG13 of LCD4*28
GIOF3
KEYO3
BI
O
Z
Z
Bit3 of general purpose I/O port F
Bit3 of key scan circuit output
2
SEG14
O
Z
SEG14 of LCD4*28
GIOF4
BI
Z
Bit4 of general purpose I/O port F
KEYO4
O
Z
Bit4 of key scan circuit output
KeyBoard
Interface
128
SEG15
O
Z
SEG15 of LCD4*28
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