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參數(shù)資料
| 型號(hào)： | MT8888CN-1 |
| 廠商： | Mitel Networks Corporation |
| 英文描述： | CB 3C 3#16S SKT RECP WALL |
| 中文描述： | 綜合DTMFTransceiver與英特爾微型接口 |
| 文件頁(yè)數(shù)： | 10/16頁(yè) |
| 文件大小： | 302K |
| 代理商： | MT8888CN-1 |
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MT8888C/MT8888C-1
4-100
Table 8
.
Status Register Description
Figure 12 - MT8888C Interface Connections for Various Intel Micros
Figure 13 - Application Circuit (Single-Ended Input)
BIT
NAME
STATUS FLAG SET
STATUS FLAG CLEARED
b0
IRQ
Interrupt has occurred. Bit one
(b1) or bit two (b2) is set.
Interrupt is inactive. Cleared after
Status Register is read.
b1
TRANSMIT DATA
REGISTER EMPTY
(BURST MODE ONLY)
Pause duration has terminated
and transmitter is ready for new
data.
Cleared after Status Register is
read or when in non-burst mode.
b2
RECEIVE DATA REGISTER
FULL
Valid data is in the Receive Data
Register.
Cleared after Status Register is
read.
b3
DELAYED STEERING
Set upon the valid detection of
the absence of a DTMF signal.
Cleared upon the detection of a
valid DTMF signal.
8031/8051
8080/8085
MT8888C/MT8888C-1
A8-A15
PO
RD
WR
CS
RD
WR
RS0
D0-D3
A8
IN+
IN-
GS
VRef
VSS
OSC1
OSC2
TONE
WR
CS
VDD
St/GT
ESt
D3
D2
D1
D0
IRQ/CP
RD
RS0
DTMF/CP
INPUT
DTMF
OUTPUT
C1
R1
R2
X-tal
R
L
V
DD
C3
C2
R4
R3
To
μ
P
or
μ
C
Notes:
R1, R2 = 100 k
1%
R3 = 374
1%
R4 = 3.3 k
10%
R
L
= 10 k
(min.)
C1 = 100 nF 5%
C2 = 100 nF 5%
C3 = 100 nF 10%*
X-tal = 3.579545 MHz
* Microprocessor based systems can inject undesirable noise into the supply rails.
The performance of the MT8888C/MT8888C-1 can be optimized by keeping
noise on the supply rails to a minimum. The decoupling capacitor (C3) should be
connected close to the device and ground loops should be avoided.
MT8888C/MT8888C-1
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| MT8888CS-1 | Integrated DTMFTransceiver with Intel Micro Interface |
| MT8888C | Integrated DTMFTransceiver with Intel Micro Interface |
| MT8888CC | Integrated DTMFTransceiver with Intel Micro Interface |
| MT8888 | Integrated DTMFTransceiver with Intel Micro Interface |
| MT8888CE | Integrated DTMFTransceiver with Intel Micro Interface |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MT8888CP | 制造商:ZARLINK 制造商全稱:Zarlink Semiconductor Inc 功能描述:Integrated DTMF Transceiver with Intel Micro Interface |
| MT8888CP1 | 制造商:Microsemi Corporation 功能描述: 制造商:Microsemi Corporation 功能描述:DTMF TXRX 3.58MHZ CMOS 5V 28PLCC - Rail/Tube 制造商:MICROSEMI CONSUMER MEDICAL PRODUCT GROUP 功能描述:IC TXRX DTMF 28PLCC 制造商:Microsemi Corporation 功能描述:IC TXRX DTMF 28PLCC |
| MT8888CPR | 制造商:Microsemi Corporation 功能描述:DTMF TXRX 3.58MHZ CMOS 5V 28PLCC - Tape and Reel |
| MT8888CPR1 | 制造商:Microsemi Corporation 功能描述:DTMF TXRX 3.58MHZ CMOS 5V 28PLCC - Tape and Reel 制造商:MICROSEMI CONSUMER MEDICAL PRODUCT GROUP 功能描述:IC TXRX DTMF 28PLCC 制造商:Microsemi Corporation 功能描述:IC TXRX DTMF 28PLCC |
| MT8888CS | 制造商:Microsemi Corporation 功能描述: |
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