EM78808ICE データシートの表示（PDF） - ELAN Microelectronics
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EM78808ICE Datasheet PDF : 63 Pages
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V.Functional Block Diagram
EM78808
8-bit Micro-controller
C PCUP
U
T IM IN G
T IM IN G
CCOONNTTRROOLL
T IM E R
TCC
COUNTER 1
COUNTER 2
WDT
D DA TAAT AR OR OMM
PROGRAM
PROGRAM
ROM
ROM
D ADT AA TRAARMA M
CONTROL
RECGOINSTREOR L
R E G IS T E R
LLCCDDDDRRIVIVEERR
LCD
IOIO
I/O
PORT
PORT
FSK DECODER
CURRENT DA
Call waiting decoder
DTMF receiver
DUAL TONE GENERATOR
Energy Detector
KEY TONE
COMPARATOR
SERIAL I/O
OP
Fig.2 Block diagram1
Xin Xout PLLC
O s c illa to r
timing control
WDT timer
prescalar
R1(TCC)
Control sleep
and wake-up
on I/O port
GENERAL
RAM
R4
Interruption
control
ROM
Instruction
register
Instruction
decoder
R2
STACK
ALU
R3
ACC
R5
DATA & CONTROL BUS
DATA RAM
DATA ROM
FSK DECODER
CFaSllKwDaEitiCnOg DdeEcRoder
DDTUTMMAFLFreTrceOecieNvievEreGr ENERATOR
DUAL TONE GENERATOR
KEY TONE
KEY TONE
SERIAL I/O
CSOEMRPIAALR AI/TOO R
COMPARATOR
C UCRURRERNETN TD AD A
EOnePrgy Detector
OP
PORT5
IOC5
R5
PORT6
IOC6
R6
PORT7
IOC7
R7
PORT8
IOC8
R8
PORT9
IOC9
R9
P55~P57 P60~P67
P70~P77
P80~P87 P90~P97
PORTB
IOCB
RB
PORTC
IOCC
RC
PB0~PB7 PC0~PC7
Fig.3 Block diagram2
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* This specification is subject to change without notice.
8/1/2004 (V3.1)
9
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