em78p811 ELAN Microelectronics Corp, em78p811 Datasheet - Page 5

• Manufacturer Part Number: em78p811
• Description: 8-bit Micro-controller
• Manufacturer: ELAN Microelectronics Corp

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* This specification is subject to be changed without notice.
Control
sleep and
wake-up
on I/O ports
P90 P97
SEG52 SEG59
P80 P87
SEG44 SEG51
Xin Xout
Oscillator/Timing
Control
COM0 COM7
SEG0 SEG43
CALLER ID
RAM
R1(TCC)
WDT Timeout
IOC8
IOC9
R9
R8
RAM
R4
Prescaler
I/O
PORT
8
I/O
PORT
9
WDTTimer
Interrupt
Controller
TCC
LCD Driver
LCD RAM
DATA & CONTROLL BUS
Fig3. Block diagram2
Instruction
register
Instruction
Decoder
ROM
IOC6
4
RA
RB
R6
Column
IOC7
Ring det
Carrier det
Row
I/O
PORT
6
R7
/FSKPWR
R2
Data
I/O
PORT
low battery
detect
R3
DTMF
FSK
Decoder
ACC
ALU
Stack
P60 P67
COM8 COM15
P70 P77
DTMF output
8-bit OTP Micro-controller
TIP
RING
RING DET1
RING TIME
EM78P811