EM785830AD
8-bit Micro-controller
V. Functional Block Diagram
DATA RAM
CPU
CONTROL REGISTER
LCD DRIVER
TIMING
CONTROL
TIMER
TCC
I/O PORT
COUNTER1
COUNTER2
WDT
SPI
PWM
10-bit A/D
ROM
RAM
Fig.2a Block diagram
XIN XOUT PLLC
WDT
timer
R2
ROM
STACK
Oscillator
timing control
Prescaler
Interrupt
control
Instruction
register
ALU
R1(TCC)
General
RAM
R3
R5
Control sleep
and wakeup
on I/O port
ACC
DATA
RAM
Instruction
decoder
R4
DATA & Control Bus
IOC9
R9
IOCC
RC
IOC7
IOC5
R5
IOC6
R6
IOC8
R8
LCD RAM
R7
Driver
SPI
PWM
10-bit A/D
PORT9
PORTC
PORT7
PORT5
PORT6
PORT8
P90~P97
PC0~PC3
COM0~COM3
SEG0~SEG1
P70~P77
P55~P57
P60~P67
P80
SEG10~SEG20
Fig.2b Block diagram
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* This specification is subject to be changed without notice.
4
12/14/2004 (V1.4)