EM78811 Просмотр технического описания (PDF) - ELAN Microelectronics
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EM78811 Datasheet PDF : 33 Pages
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EM78811
8-BIT MICRO-CONTROLLER FOR TELECOM PRODUCT
Xin Xout
Oscillator/Timing
Control
WDTTimer
TCC
WDT Timeout Prescaler
R1(TCC)
Control
sleep and
wake-up
on I/O ports
RAM
Interrupt
Controller
R4
ROM
Instruction
register
Instruction
Decoder
R2
Stack
ALU
R3 ACC
DATA & CONTROLL BUS
CALLER ID
RAM
COM0˜COM7
SEG0˜SEG35
LCD RAM
LCD Driver
IOC7 I/O
PORT
R7
P70˜P77
Ring det
FSK
Carrier det Decoder
RA Data
/FSKPWR
TIP
RING
RING DET1
RING TIME
P80˜P87
SEG44˜SEG51
IOC8 I/O
PORT
R8 8
P90˜P97
SEG52˜SEG59
IOC9 I/O
PORT
R9 9
low battery
detect
Row
RB Column
DTMF output
DTMF
IOC6 I/O
PORT
R6 6
P60˜P67
COM8˜COM15
* This specification are subject to be changed without notice.
10.12.1998 3
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