MSM9805 Overview
The MSM9802/03/05 is a PCM voice synthesis IC with built-in mask ROM. This IC has two user selectable playback algorithms, OKI Non-linear PCM and straight PCM. It also contains a current mode 10-bit D/A converter and a low-pass filter.
MSM9805 Key Features
- Actual voice ROM area is smaller by 11 Kbits
- ROM custom
- 8-bit OKI nonlinear PCM method/8-bit straight PCM method
- Built-in edit ROM
- Random playback function
- Maximum number of phrases : 63 (Microcontroller interface mode) 56 (Stand-alone mode)
- Built-in current mode 10-bit D/A converter
- Built-in low-pass filter
- Standby function
- RC oscillation (256 kHz)/ceramic oscillation (4.096 MHz) selectable