SNC21200A
1-CH H.Q. Speech Controller
3. PIN ASSIGNMENT
Symbol
P10~P13
P20~P23
P30~P33
P60~P63
RST
TEST
OSC
DAON
DAOP
DACO
VDDIO
GNDIO
VDD
GND
I/O
I/O
I/O
I/O
I/O
I
I
I
O
O
O
I
I
I
I
Function Description
I/O port 1: IO
I/O port 2: IO
I/O port 3: IO
I/O port 6: IO
Reset Chip (Active H)
Test Pin
Oscillation component connection pin
Push-Pull output 1
Push-Pull output 2
Current DAC output
Positive power supply
Negative power supply
Positive power supply
Negative power supply
4. Block Diagram
ROM
Program/Speech
Address Pointers/ STACK
SRAM (128 nibbles)
Timing
Generator
OSC
Sampling Rate Counter Watch Dog
Timer
Voice
Synthesizer
Push-Pull
Circuit
Current
DAC Circuit
IO port 3
IO port 6
Timer
ALU
PWM IO
IO port 1
IO port 2
Ver1.1
4
November 6, 2009
SONIX [ SONIX TECHNOLOGY COMPANY ]
