SNC21500A
1-CH H.Q. Speech Controller
===================== CONTENTS =====================
1.
2.
3.
4.
5.
INTRODUCTION........................................................................................................... 3
FEATURES ..................................................................................................................... 3
PIN ASSIGNMENT........................................................................................................ 4
BLOCK DIAGRAM ....................................................................................................... 4
FUNCTION DESCRIPTIONS ...................................................................................... 5
5.1
5.2
5.3
5.4
5.5
5.6
5.7
5.8
5.9
5.10
5.11
5.12
6.
7.
8.
O
SCILLATOR
.............................................................................................................. 5
ROM ......................................................................................................................... 5
RAM ......................................................................................................................... 5
P
OWER
D
OWN
M
ODE
................................................................................................. 5
S
AMPLING
R
ATE
C
OUNTER
........................................................................................ 5
A
UTO
R
EPEAT
F
UNCTION
........................................................................................... 5
I/O P
ORTS
.................................................................................................................. 5
IR F
UNCTION
............................................................................................................. 6
PWM IO
CONTROL
.................................................................................................... 6
W
ATCH
D
OG
T
IMER
................................................................................................... 6
P
USH
-P
ULL
DAC & C
URRENT
DA O
UTPUT
............................................................... 7
E
VENT
M
ARK
............................................................................................................. 8
ABSOLUTE MAXIMUM RATING ............................................................................. 9
ELECTRICAL CHARACTERISTICS ........................................................................ 9
APPLICATION CIRCUIT .......................................................................................... 10
8.1
8.2
G
ENERAL APPLICATION
............................................................................................ 10
M
OTOR APPLICATION
............................................................................................... 11
Ver1.1
1
November 6, 2009
SONIX [ SONIX TECHNOLOGY COMPANY ]
