EM785840/5841/5842
8-bit Micro-controller
V. Functional Block Diagram
CPU
DATA RAM
CONTROL REGISTER
TIMING
CONTROL
TIMER
TCC
I/O PORT
COUNTER1
COUNTER2
WDT
PWM
10-bit A/D
ROM
Fig.2a Block diagram
XIN XOUT PLLC
WDT
timer
R2
ROM
STACK
ALU
Oscillator
timing control
Prescaler
Interrupt
control
Instruction
register
R1(TCC)
General
RAM
R3
R5
Control sleep
and wakeup
on I/O port
ACC
Instruction
decoder
R4
DATA & Control Bus
IOC6
IOC7
IOC9
R9
IOCC
RC
R6
R7
PWM
10-bit A/D
PORT6
PORT7
PORT9
PORTC
P60~P61
P62~P66
P71
P70
P73~P76
P90~P97
PC1~PC2
Fig.2b Block diagram
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* This specification is subject to change without notice.
4
2004/11/10 V1.2
ELAN [ ELAN MICROELECTRONICS CORP ]
