參數資料
型號: EM78810
廠商: ELAN Microelctronics Corp .
英文描述: 8-Bit Micro-Controller for Telecom Product(工作電壓2.5V-6V的8位呼叫識別的RISC型微控制器)
中文描述: 8位微控制器的電信產品(工作電壓為2.5V到6V的8位呼叫識別的的RISC型微控制器)
文件頁數: 30/31頁
文件大?。?/td> 191K
代理商: EM78810
* This specification are subject to be changed without notice.
30
9.30.1997
EM78810
8-BIT MICRO-CONTROLLER FOR TELECOM PRODUCT
APPLICATION CIRCUIT
VDD1
78810
VDD2
VSS2
AVSS
AVDD
Digital ground
Analog ground
POWER
GROUND
0.1μ
0.1μ
0.1μ
100
Fig.22 Application Circuit
This circuit is basic part of to decode FSK signal on the phone line. With LCD driver, it can show 16 by 60 points
on LCD panel. If you want to generate DTMF signal. You can use the circuit of Fig24 and Fig25.
Fig.23 analog and digital power circuit
The routes of digital power and ground to POWER shouldd be different from analog power and ground for
decreasing noise probability.
POWER
0.1uF
LCD DISPLAY
15K
18k
470k
0.1u
250V
0.1u
250V
4700p
250V
4700p
250V
10k
10k
Vdd
270k
0.22u
32.768K
TIP
RING
Xin
Xout
AVSS
VDD1
VDD2
AVDD
FUSE
ZNR
250V
K1
K2
K3
K4
TONE
/HKS
To Phone
Vdd
100K
C1
C2
PLLC
100
VSS2
0.1uF
MUTE
/PULSE
DIAL
/RINGTIME
TIP
RING
DET1
DET2
78810
4148
4148
4148
4148
10n
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相關代理商/技術參數
參數描述
EM78811 制造商:EMC 制造商全稱:ELAN Microelectronics Corp 功能描述:8-BIT MICRO-CONTROLLER FOR TELECOM PRODUCT
EM78815 制造商:EMC 制造商全稱:ELAN Microelectronics Corp 功能描述:8 Bit Microcontroller
EM78815AQ 制造商:EMC 制造商全稱:ELAN Microelectronics Corp 功能描述:8 Bit Microcontroller
EM78815BQ 制造商:EMC 制造商全稱:ELAN Microelectronics Corp 功能描述:8 Bit Microcontroller
EM78815H 制造商:EMC 制造商全稱:ELAN Microelectronics Corp 功能描述:8 Bit Microcontroller