SPC11A Просмотр технического описания (PDF) - Unspecified

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SPC11A

12KB Sound Controller

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Preliminary

SPC11A

12KB SOUND CONTROLLER

1. GENERAL DESCRIPTION

The SPC11A, a two-channel speech/melody synthesizer, equips

an 8-bit CMOS microprocessor with 69 instructions, 12K-byte

ROM for speech and melody data (speech compressed by a 4-bit

ADPCM with approx. three seconds speech duration @ 6.0KHz

sampling rate) and 64-byte working SRAM. Other primary

features include two Timer/Counters, 8 Software Selectable I/Os,

and one 8-bit current D/A output. In audio processing, melody

and speech can be mixed into one output. It operates at a wide

voltage range of 2.4V - 5.5V with a Low Voltage Reset function

that automatically resets CPU when operating voltage is less than

1.3V/2.7V. Plus, a Clock Stop mode is built in for power savings.

The unique power saving mode saves the RAM contents, but

freezes the oscillator to stop executing other functions. The

maximum CPU frequency can run up to 6.0MHz and the

instruction cycle is two clock cycles (min.) ~ six clock cycles

(max.). The SPC11A loads, not only the latest technology, but

also the full commitment and technical support of Sunplus.

2. BLOCK DIAGRAM

3. FEATURES

! 8-bit microprocessor

! 12K-byte ROM for program and audio data

! 64-byte working SRAM

! Software-based audio processing

! Wide operating voltage: 2.4V - 5.5V @ 4.0MHz

3.6V - 5.5V @ 6.0MHz

! Supports ROSC only

! Max. CPU clock: 4.0MHz @ 3.0V, 6.0MHz @ 5.0V

! Standby mode (Clock Stop mode) for power savings.

Max. 2µA @ 5.0V

! 500ns instruction cycle time @ 4.0MHz CPU clock

! Eight general I/Os

! Two 12-bit timer/counters

! Six INT sources

! Key wake -up function

! Approx. 3-sec speech @ 6.0KHz sampling rate with ADPCM

! One D/A output

! Low Voltage Reset

ROSC

8-bit

microprocessor

12K-byte

ROM

64-byte

SRAM

CLK

OSC

Low

Voltage

Reset

Two Timers

TimeBase

INT control

Two

8-bit D/A

(current)

8 PINS GENERAL I/O PORT

IOD7-6,IOD1-0

(I/O)

IOC7-6,IOC2-1

(I/O)

4. APPLICATION FIELD

! Intelligent education toys

Ex. Pattern to voice (animal, car, color, etc.)

Spelling (English or Chinese)

AUD

Math

! Advanced toy controller

! General speech synthesizer

! Industrial controller

© Sunplus Technology Co., Ltd.

3

Proprietary & Confidential

JUL. 09, 2001

Preliminary Version: 0.1

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