SNC205S
Direct Drive Speech Controller
================= CONTENTS ================
1.
2.
3.
4.
5.
5.1.
5.2.
5.3.
5.4.
5.5.
5.6.
5.7.
5.8.
6.
7.
8.
INTRODUCTION........................................................................................................2
FEATURES ..................................................................................................................2
BLOCK DIAGRAM ....................................................................................................3
PIN ASSIGNMENT.....................................................................................................3
FUNCTION DESCRIPTIONS ...................................................................................4
O
SCILLATOR
...............................................................................................................4
ROM ..........................................................................................................................4
RAM ..........................................................................................................................4
P
OWER
D
OWN
M
ODE
..................................................................................................4
S
AMPLING
R
ATE
C
OUNTERS
.......................................................................................4
E
VENT
M
ARK
..............................................................................................................5
I/O P
ORTS
...................................................................................................................5
DAC & PWM.............................................................................................................6
ABSOLUTE MAXIMUM RATING ..........................................................................8
ELECTRICAL CHARACTERISTICS .....................................................................8
APPLICATION CIRCUIT .........................................................................................9
DISCLAIMER .....................................................................................................................11
Ver: 1.2
1
Sept 20, 2007