EM78569 Ver la hoja de datos (PDF) - ELAN Microelectronics
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EM78569 Datasheet PDF : 53 Pages
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V. Functional Block Diagram
EM78569
8-bit Micro-controller
CPU
DATA RAM
CONTROL REGISTER
T IM IN G
CONTROL
TIM ER
TCC
COUNTER1
COUNTER2
WDT
ROM
RAM
LCD DRIVER
I/O PORT
SPI
PWM
10-bit A/D
10-bit D/A
Fig.2a Block diagram
XIN XOUT PLLC
O sc illa t o r
timing control
R1(TCC)
DATA
RAM
Control sleep
and wakeup
on I/O port
WDT
timer
Prescaler
General
RAM
R4
Interrupt
control
ROM
I nst r u c t io n
register
I nst r u c t io n
decoder
DATA & Control Bus
R2
STACK
ALU
R3
R5
ACC
SPI
PWM
10-bit A/D
10-bit D/A
LCD RAM
LCD driver
IOC5
R5
PORT5
COM0~COM3
SEG0~SEG31
P55~P57
IOC6
R6
PORT6
P60~P67
IOC7
R7
PORT7
P70~P77
IOC8
R8
PORT8
P80~P87
IOC9
R9
PORT9
IOCB
RB
PORTB
IOCC
RC
PORTC
P90~P97
PB0~PB7
PC0~PC7
Fig.2b Block diagram
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* This specification is subject to be changed without notice.
4
8/31/2004 (V4.0)
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