aP89021 Description
aP89021/010 high performance Voice OTP is fabricated with Standard CMOS process with embedded 512K/256K bits EPROM. It can store up to 21/10 sec voice message with 4-bit ADPCM pression at 6KHz sampling rate. 8-bit PCM is also available as user selectable option.
aP89021 Key Features
- Key Trigger Mode
- binations of S1 ~ S4 to trigger up to 12 voice groups; SBT for sequential trigger
- CPU Parallel Trigger Mode
- binations of S1 ~S4 with SBT goes HIGH to strobe start the voice playback
- 3.6V single power supply and < 5uA low stand-by current. PWM Vout1 and Vout2 drive speaker directly. D/A COUT to drive s