SNC15200
One Channel Speech Controller
!
1. INTRODUCTION
SNC15200 is a one-channel voice synthesizer IC with PWM direct drive circuit. It built
in a 4-bit tiny controller with four 4-bit I/O ports. By programming through the tiny
controller in SNC15200, user’s varied applications including voice section
combination, key trigger arrangement, output control, and other logic functions can be
easily implemented.
2. FEATURES
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Single power supply 2.4V – 5.5V
200 seconds voice capacity are provided (@6KHZ sample rate)
Built in a 4-bit tiny controller
I/O Port
−
−
−
Four 4-bit I/O ports P1, P2, P4 and P5 are provided.
The driving/sink current of P2 & P5 is up to 8mA/16mA
The IO pins P2.3 can be modulated with 38.5Khz carry signal to implement IR
function.
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128*4 bits RAM are provided
Maximum 64k program ROM is provided
400K*12 shared ROM for voice data and program
Readable ROM code data
Built in one channel speech synthesizer
Adaptive playing speed from 2.5k-20kHz is provided
® Built in an PWM circuit output, can directly connected to Speaker for sound
output.
®
System clock: 2MHz
® Event Mark function supported
® Low Power Detect.
® Watch Dog Timer Supported
3. PIN ASSIGNMENT
Symbol
P10~P13
P20~P23
P40~P43
P50~P53
Rosc
I/O Function Description
I/O I/O port 1: IO
I/O I/O port 2: IO
I/O I/O port 4: IO
I/O I/O port 5: IO
I
Oscillation component connection pin
BUO1
O
PWM output 1
BUO2
RST
O
I
PWM output 2
RST=1‰ Reset Chip (Active H)
VDDIO
GNDIO
CVDD
CGND
Test
I
I
I
I
I
Positive power supply for I/O
Negative power supply for I/O
Positive power supply for internal core
Negative power supply for internal core
Test pin
3
Ver: 1.5
October 30, 2008
SONIX [ SONIX TECHNOLOGY COMPANY ]
