參數(shù)資料
型號(hào): MT884
廠商: Mitel Networks Corporation
英文描述: ()
中文描述: ()
文件頁(yè)數(shù): 9/11頁(yè)
文件大?。?/td> 87K
代理商: MT884
Application Note
MSAN-144
A-237
Figure 6 - Multiple Line CID Card
LINE 1
LINE 2
LINE 8
U1
U2
U8
U11
U12
U18
U21
U22
U28
Micro-Controller
P0.0
P0.1
P0.2
P0.3
P0.4
P0.5
P0.6
P0.7
MT8841
MT8841
MT8841
DATA
DCLK
DR
DR0
QA
QB
QC
QD
QE
QF
QG
QH
A
CK
QA
QB
QC
QD
QE
QF
QG
QH
A
CK
QA
QB
QC
QD
QE
QF
QG
QH
A
CK
DATA
DCLK
DR
DR1
DATA
DCLK
DR
DR7
8
DR0
DR7
U30
CS0
CS1
CS7
D7
D6
D5
D4
D3
D2
D1
D0
D7
D6
D5
D4
D3
D2
D1
D0
D7
D6
D5
D4
D3
D2
D1
D0
D7
D6
D5
D4
D3
D2
D1
D0
CS0
CS1
CS2
CS3
CS4
CS5
CS6
CS7
DR0
DR1
DR2
DR3
DR4
DR5
DR6
DR7
P1.0
P1.1
P1.2
P1.3
P1.4
P1.5
P1.6
P1.7
P2.0
P2.1
P2.2
P2.3
P2.4
P2.5
P2.6
P2.7
INT0
Notes:
1.
The micro-controller is
symbolic and circuitry
may vary depending
upon micro selected.
Port 2.X has pull-up
resistors.
Decoupling not shown.
Power not shown.
2.
3.
4.
Components List:
U1-8
U11-18
U21-28
U30
MT8841 CNIC
74HC164 Serial-to-Parallel Shift Register
74HC241 Octal Tri-State Buffer
74HC30 8 Input Nand Gate
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MT8860XE DTMF DECODER
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MT8865XC DTMF Filter
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