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參數(shù)資料
| 型號(hào)： | LC73701M |
| 廠商： | Sanyo Electric Co.,Ltd. |
| 英文描述： | DTMF/PULSE Output Serial Interface Dialler(DTMF/PULSE輸出模式串行接口撥號(hào)器) |
| 中文描述： | 雙音多頻/脈沖輸出串行接口撥號(hào)器（雙音多頻/脈沖輸出模式串行接口撥號(hào)器） |
| 文件頁數(shù)： | 2/11頁 |
| 文件大?。?/td> | 111K |
| 代理商： | LC73701M |
Pin Assignment
No. 5561-2/11
LC73701M
Pin Functions
Pin No.
Pin
I/O
Pin function
1
CE
I
Set high when data is valid. This signal is also used when DTMF signals are issued consecutively in DTMF mode. The last
DTMF signal is output until CE goes low.
2
CK
I
Data acquisition clock. Data is acquired on the rising edge of this signal.
3
NC
4
DATA
I
Input for the 8-bit data.
5
RES
I
Reset input. Apply a low level to this input to reset dialer operation when, for example, power is first applied.
6
BUSYOUT
O
Outputs a high level during dialer operation, including during pauses. This is a complementary output.
7
OSCI
I
Oscillator circuit connections. Connect either a crystal or ceramic 4.194304 MHz oscillator element to these pins.
8
OSCO
O
9
V
SS
V
DD
BMR
Power supply
10
11
I
Make ratio switching input. High: 33%, Low: 39%
12
NC
13
TEST
I
LSI internal test pin. This pin either must be left open or must be tied low during normal operation.
14
DTMF
O
DTMF output. This is an npn emitter-follower output.
15
MUTE2
O
DTMF mute output. This is an n-channel open-drain output.
16
MUTE
O
DP and DTMF mute output. This is an n-channel open-drain output.
17
MUTE1
O
DP mute output. This is an n-channel open-drain output.
18
DP
O
DP output. This can be either an n-channel open-drain output or a complementary output.
Unused inputs must always be tied to an appropriate logic level, i.e. either ground or V
DD
.
DTMF
V
SS
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| LC73711 | Switchable DTMF/Pulse Dialer with Memory |
| LC73711N | Switchable DTMF/Pulse Dialer with Memory |
| LC73720 | Dialer with Memory |
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相關(guān)代理商/技術(shù)參數(shù) |
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| LC73710 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述: |
| LC73711 | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:Switchable DTMF/Pulse Dialer with Memory |
| LC73711N | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:Switchable DTMF/Pulse Dialer with Memory |
| LC73720 | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:Dialer with Memory |
| LC737212 | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:Telephone Dialer IC with On-Chip Memory for Push- Button Telephones |
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