EM78468
8-BIT Microcontroller
4 FUNCTION DESCRIPTION
CPU
Data RAM
LCD driver
IO PORT
IR/PWM
Timing Control
ROM
LCD
I/O
Oscillator
PLL/Crystal/RC
Timer/
Counter
ROM
R2
STACK
Oscillator Timing
WDT timer
Control
Interruption
register
R1 (TCC)
Interruption
control
General RAM
R 4
Control w ake-up on I/
O port
ALU
Instruction
decoder
R3
ACC
Data & Control BUS
PORT5
128 byte
Data RAM
LCD RAM
PORT6
IOC6
PORT7
PORT8
IOC9
R
R
6
R
7
R
8
IOC5
5
IOC9
Common
driver
Segment
driver
Fig. 2 System Block Diagram
Product Specification (V1.1) 04.11.2005
• 9
(This specification is subject to change without further notice)
ELAN [ ELAN MICROELECTRONICS CORP ]
