EM56400A Overview
EM56000A is a series of single chip dual channel IC with voice synthesizer. The dual channel can be (voice + voice) simultaneously. That contains some input and I/O ports, and a tiny controller.
EM56400A Key Features
- Single power supply 2.4 V~ 5.5 V
- Port1 and Port2 with wake-up function, Port3.2 with programmable IR (38 KHz carry) munication function
- Power down mode for saving power consumption
- Single ROM for voice program data
- Readable ROM code data
- One 6-bit timer overflow control
- Two stacks for subroutine calling
- Dual channel output simultaneously : (voice + voice)
- 5-bit ASPCM synthesizer
- Multiple playing speeds in 2 KHz ~ 32 KHz for voice playback