Atmel SAM4L-EK Atmel ATSAM4L-EK ATSAM4L-EK Data Sheet
Product codes
ATSAM4L-EK
1052
42023E–SAM–07/2013
ATSAM4L8/L4/L2
Figure 39-14. Internal and External Bias Generation
Device
VCC
VCC
CAPH
CAPL
VLCD
BIASH
BIASL
GND
Internal Generation
(static or 1/3 Bias)
100 nF
100 nF
100 nF
100 nF
Device
VCC
VCC
CAPH
CAPL
VLCD
BIASH
BIASL
GND
External Generation
(static)
Ext. VLCD
De
cou
p
ling
ca
p
a
c
it
o
r
Device
VCC
VCC
CAPH
CAPL
VLCD
BIASH
BIASL
GND
External Generation (example)
(1/3 Bias)
Ext. VLCD
De
cou
p
ling
cap
a
ci
to
rs
(1)
(1)
(1)
(1)
(2)
(1) Values are given for design guidance only.
(2) Bias generation can be provided by other voltage source than a divison resistor
(2) Bias generation can be provided by other voltage source than a divison resistor