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9200send
- DTMF编码芯片HT9200的51接口程序。输入参数R2表示发送数据个数，输入数据与发送数据与DTMF码的关系:00H-0 01H-1 02H-2 03H-3 04H-4 05H-5 06H-6 07H-7 08H-8 09H-9 0AH-A 0BH-B 0CH-C 0DH-D 0EH-* 0FH-#。详细说明参考文件内-DTMF encoder chip HT9200 51 interface program. R2 said input parameters to send data dis
HT9200_HT9170
- C51下个原代码,包括两个部分HT9200、HT9170 调用程序（C51）.c和HT9200、HT9170 调用程序注解-C51 under the former code, including two of HT9200, HT9170 called procedures (C51). c and HT9200 and HT9170 call procedures Notes
PHONE
- 拨号程序源码.利用CPU是8位单片机. 拨号芯片为HT9200.
C
- LPC901操作HT9200，进行DTMF双音频发送演示程序
9170
- HT9170 and HT9200 c source code
HT9170-HT9200
- C51与HT9170和HT9200接口程序(双音多频)
HT9200
- 通过单片机对HT9200进行控制访问，实现电话的DTMF拨号功能
HT9170&HT9200收发程序
- HT9170和HT9200的双音多频收发程序
HT9200
- STC89c51控制HT9200拨号电路，调试通过，可直接在自己的程序中调用HT9200.C-STC89c51 control HT9200 dial-up circuit debugging through, directly in their own program called HT9200.C
ht9200a
- HT9200双音频发生器的驱动程序，可有51单片机直接驱动-HT9200 dual-tone generator driver, there are 51 single-chip Direct Drive
C51andHT9170orHT9200interface
- ht9200A/ht9170程序 双音多频接收发射程序-procedures ht9200A/ht9170 DTMF receiver launches program
code_ok
- 电话拨号ht9200,ht9270源码，51下测试通过-Telephone dial-up ht9200, ht9270 source, 51 under the test
DTMFDialer
- DTMF Dilaer using HT9200 witl LCD matrix 16x2
Phone
- 利用mega8控制CM8870和ht9200以及mc34018实现电话功能-Use mega8 control CM8870 and ht9200, as well as to achieve mc34018 phone features
A_28
- ht9200拨号功能，主要程序的说，并配合单片的控制-ht9200 dialing
ht9200b
- 单片机编程。。ht9200的主文件和头文件。包括该单片机的介绍-Microcontroller programming. . ht9200' s master file and header files. Including the introduction of the SCM
HT9200_DataSheet
- 这是基于单片机电话报警的主要芯片ht9200，的介绍主要介绍本芯片的一些简单的参数。-this artical intruoduce ht9200 to us .
DTMF
- 通过HT9200 进行拨号,电路部分不再上传
user
- HT9200双音多频信号的发送,各个功能函数的说明-HT9200 dual tone multi-frequency signal is transmitted
testdtmf
- 基于电话网的远程控制系统，使用ht9200芯片-Telephone network-based remote control system, the use of chip ht9200