EM78P568
8-bit OTP Micro-controller
CTCSS block
•Operating
voltage : 2.7V∼5.5V
•Microphone
amplifier (can be used as general OP Amp)
•Microphone
mute function
•RX
input OP
•Audio
BPF (300Hz ~ 3400Hz)
•Sub-audio
LPF (60Hz ~ 253Hz) for CTCSS tone detection
•
Zero-crossing for detected CTCSS tone frequency output
•
CTCSS Tx modulation summing Amp
LCD
•Common
driver pins : 4
•Segment
driver pins : 32
•1/3
bias
•1/4
duty, 1/2 duty
•16
Level LCD contrast control by software
PACKAGE
•
100-pin QFP (EM78P568Q)
78-pin die (EM78P568H)
III. Application
FRS (Family Radio Systems) ,other wireless and portable products,
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* This specification are subject to be changed without notice.
2
01/31/2004
V4.7
EMC [ ELAN MICROELECTRONICS CORP ]
