HT47R系列解密——icHT81R03

    HT81R03芯片解密是芯片解密研究所目前成功破解的典型单片机解密，下面是关HT81R03芯片解密单片机芯片的主要性能特征介绍，我们提供给广大客户及各类技术工程师在芯片级解密项目合作中进行技术参考和分析。
    芯片解密研究所长期专业承接HT81R03芯片破解等HT47R系列解密型号解密项目合作，有相关芯片解密/单片机解密需求者请与我们联系咨询更多详情。
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HT81R03  Features：
· Operating voltage: 2.4V~3.6V
·  Directly drives an external transistor
·  PWM function directly driver speaker
·  Low standby current (1A typ. for VDD=3V)
·  Minimal external components
·  240 notes table ROM for key functions
·  Programmable silence length and end-pulse
width (minimal end-pulse width is 1.3ms at
8kHz sampling rate)
·  3-sec voice capacity (based on a 5kHz sampling
rate)
·  Controllable volume
·  FLAG1 options
·  End-pulse output
·  3Hz, 3HzB flash
·  6Hz, 6HzB flash
·  Busy output
·  OFF
·  FLAG2 options
·  3Hz flash
·  6Hz flash
·  Busy output
·  OFF
·  2 keys
·  Key options
·  Sequential/Directed
·  Repeat (KEY2)
·  STOP key (KEY2)
·  Key debounce time: 1.2ms, 22ms, 45ms
(based on a 8kHz sampling rate)
·  One shot/Normal
·  Pull-high resistance: 0, 50k,
100k, 200k
·  Section options
·  Retriggerable
·  Non-retriggerable
·  Dice form or 16-pin DIP package