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MYB31 Datasheet

Signal Name rype Description Alternate Function
TO l Timer Counter O External Clock Input When Timer O operates as a counter, a falling edge on the TO pin increments the count. P3.4
T1 l Timer/Counter l External Clock Input When Timer 'I operates as a counter, a falling edge on the Tl pin increments the count. P3.5
T2 l O Timer/Counter 2 External Clock Input Timer/Counter 2 Clock Output P1.0
T2EX l Timer/Counter 2 Reload/Capture/Direction Control Input P1.1


MYB31 Price
Functional Description The HT8665 is a single chip LSI with an exter- nal DRAM. It is designed for applications on talking back with an echo effect. The recording length of the IC is determined by the data rate and the size of the external memory. Sounds coming from an external microphone are coded through an internal ADM algorithm and saved in an external memory until the memory is full or an interval of silence lasts over 0.5 seconds. Once recording is terminated, the IC will auto- matically play back the recorded sounds with an echo effect.
MYB31 on stock

MODE CE1 CE2 OE R/W 11011/08 POWER
Read L H L H Output lDDO
Write L H L Input lDDO
Output Deselect L H H H High-Z lDDO
H High-Z IDDS
Standby L High-Z IDDS


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