EM78468
8-BIT Microcontroller
Operation modes:
z
z
Normal mode: The CPU operated on frequency of main oscillator (Fm)
Green mode: The CPU operated on frequency sub-oscillator (Fs) and main
oscillator (Fm) stop.
z
z
Idle mode: CPU idle, LCD display remains working
Sleep mode: whole chip stop working.
Input port wake up function (PORT6, PORT8). Working on Idle and sleep mode.
Eight interrupt sources, three external and five internal.
z
z
Internal interrupt source : TCC; Counter 1,2; High/Low pulse width timer.
External interrupt source : INT0, INT1 and Pin change wake-up (Port 6 and
Port 8)
Packages:
z
z
z
z
z
Dice form : 59 pin
QFP-64 pin : EM78468Q (Body 14mm*20mm)
LQFP-64 pin : EM78468AQ (Body 7mm*7mm)
LQFP-44 pin : EM78468BQ (Body 10mm*10mm)
QFP-44 pin : EM78468CQ (Body 10mm*10mm)
2.2 LCD Circuit
Common driver pins: 4
Segment driver pins: 32
LCD Bias: 1/3, 1/2 bias
LCD Duty: 1/4, 1/3, 1/2 duty
2.3 Applications
Remote control for air conditioner
Health care
Home appliances
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Product Specification (V1.1) 04.11.2005
(This specification is subject to change without further notice)
ELAN [ ELAN MICROELECTRONICS CORP ]
