Chinese
CECT
A100
is
the
first
GSM
phone
applied
with
ATA2501.
ATA2501
realized
touch
scroll
wheel
in
CECT
A100
and
multi
key
function
with
four
dome
switches.
CECT
also
developed
and
provided
software
to
increase
scroll
wheel
performance
hence
had
a
good
reputation
in
China
market.
ATA2501’s
AIC
function
and
differential
signaling
architecture
prevent
from
malfunction
by
RF
noise
of
GSM
phone
during
conversation
and
its
low
power
consumption
(0.1mA
in
active
mode)
can
last
phone
working
time
dramatically.
