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E2D0082-29-93

隆 Semiconductor

MSM9836-xxx

隆 Semiconductor

Voice Synthesis IC with Built-in Mask ROM

This version: Sep. 1999

MSM9836-xxx

Previous version: May. 1997

GENERAL DESCRIPTION

The MSM9836 is a PCM voice synthesis IC with built-in 3-Mbit mask ROM, D/A converter, and

low-pass filter (LPF).

The MSM9836 is specifically designed for applications that use a microcontroller.

For this reason, functional support for standalone mode and RC oscillation has been omitted

from the MSM9805, and the ROM capacity and the number of phrases have been increased.

By using Oki's Sound Analysis and Editing Tool, ROM data such as Phrase Control Table can be

easily set, created, edited, and evaluated.

The following table lists the functional differences between the MSM9836 and the MSM9805.

MSM9836

ROM Capacity

Interface

Oscillation

Maximum Number of

Phrases

Status Signal

3 Mbits

Microcontroller

Ceramic

127

NAR/BUSY simultaneous output

MSM9805

2 Mbits

Microcontroller/Standalone

Ceramic/RC

63

Only NAR output when operating

in microcontroller interface mode

FEATURES

鈥?8-bit OKI nonlinear PCM method/8-bit Straight PCM method

鈥?Sampling frequency

: 4.0 kHz/5.3 kHz/6.4 kHz/8.0 kHz/10.6 kHz/12.8 kHz/

(Can be set for each phrase)

16.0 kHz

鈥?ROM capacity

: 3 Mbits

鈥?Maximum playback time

: 97.7 sec (f

SAM

= 4.0 kHz)

73.7 sec (f

SAM

= 5.3 kHz)

61.0 sec (f

SAM

= 6.4 kHz)

48.8 sec (f

SAM

= 8.0 kHz)

鈥?Master clock frequency

: 4.096 MHz

(Ceramic oscillation/external

clock input)

鈥?Edit ROM function

鈥?Maximum number of phrases

: 127

鈥?Built-in current mode 10-bit D/A converter

鈥?Built-in low-pass filter

鈥?Power supply voltage

: +2.0 to +5.5 V

鈥?Package :

24-pin plastic SOP (SOP24-P-430-1.27-K) (Product name: MSM9836-xxxGS-K)

xxx indicates code number.

Chip

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