ISD14B20
3. BLOCK DIAGRAM
Rosc
Clock Control
MIC+_
AnaIn
Pre-
Amp
Amp
Antialiasing
Filter
Non-Volatile
Multi Level Storage
Array
Smoothing
Filter
SP +
Amp
SP -
AGC
Automatic
Gain Control
(AGC)
Device & Address Control
Switch
Power Conditioning
Address Trigger: NORM LED FT
Direct Trigger: MODE LED FT
PlayE
FMC3
PlayL
REC XCLK S0 S1 S2
S3 E0
E1 E2 E3
V
CCA
V
SSA
V
CCD
V
SSD
V
CCp
V
SSP1
V
SSP2
FMC2 FMC1 R/P
M1 M2 M3 M4 M5 M6 M7 M8
-5-
Publication Release Date: October 9, 2007
Revision 0