JA21000 Overview
JA21000 is a series of 3 to 340 seconds single chip voice synthesizer IC with RTC which contains a PWM direct drive circuit or AUD output for transistor application. In addition, this chip also provides high sink current port pins, multi external interrupt pins function, and multi oscillator options. JA21000 series offers one of the best cost/performance ratios in the toy or industry for controller.
JA21000 Key Features
- PA3 PA4
- PA7 PB0
- PB7 AVDD, DVDD OSCI I/O
- I/O I/O I
- I Internal
- NMOS Open Drain CMOS with pull-high CMOS with pull-high
- Description Digital negative power supply Analog negative power supply Keyboards s