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PDF EM78P806A Data sheet ( Hoja de datos )
| Número de pieza | EM78P806A | |
| Descripción | 8-BIT OTP MICRO-CONTROLLER | |
| Fabricantes | ELAN Microelectronics | |
| Logotipo |  |
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EM78P806A
8-BIT OTP MICRO-CONTROLLER
Version 1.5
ELAN MICROELECTRONICS CORP.
No. 12, Innovation 1st RD., Science-Based Industrial Park
Hsin Chu City, Taiwan, R.O.C.
TEL: (03) 5639977
FAX: (03) 5630118
1 page  
V.Functional Block Diagram
EM78P806A
8-bit OTP Micro-controller
Xin Xout PLLC
Oscillator
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
R5
ACC
DATA & CONTROL BUS
RAM
TONE
PORT6
PORT5
IOC6 R6
IOC5 R5
FSK DECODER
DTMF RECEIVER
P60~P67
p54~P57
PORT7
IOC7 R7
P70~P77
PORT8
IOC8 R8
P80~P87
PORT9
IOC9 R9
P90~P97
LCD
DRIVER
Fig.2 Block diagram
__________________________________________________________________________________________________________________________________________________________________
* This specification is subject to be changed without notice.
07/13/2004 V1.5
5 Page 
EM78P806A
8-bit OTP Micro-controller
* Bit7 IDLE: sleep mode selection bit
0/1=sleep mode/IDLE mode. This bit will decide SLEP instruction which mode to go.
These two modes can be waken up by TCC clock or Watch Dog or PORT9 and run from “SLEP” next instruction.
Wakeup signal SLEEP mode IDLE mode
GREEN mode NORMAL mode
RA(7,6)=(0,0) RA(7,6)=(1,0)
RA(7,6)=(x,0) RA(7,6)=(x,1)
+ SLEP
+ SLEP
no SLEP
no SLEP
TCC time out X
Wake-up
Interrupt
Interrupt
+ Interrupt
+ Next instruction
WDT time out RESET
Wake-up
RESET
RESET
+ Next instruction
Port96,97
RESET
Wake-up
X
X
/RINGTIME pin
+ Next instruction
PORT70~73
RESET
Wake-up
Interrupt
Interrupt
+ Interrupt
+ Next instruction
*P70 ~ P73 's wakeup function is controlled by IOCF(1,2,3) and ENI instruction.
*P70 's wakeup signal is a rising or falling signal defined by CONT REGISTER bit7.
*/RINGTIME pin , Port96,Port97 ,Port71,Port72 and Port73 's wakeup signal is a falling edge signal.
8. RB
7
P8SH
6
P8SL
54
TDP2 TDP1
3 2 10
LOW_BAT CALL_2/RANGE /LPD CALL_1
Bit0(CALL_1) : CALLER ID RAM selection bit
*Bit1(/LPD): Low battery detect disable/enable, 0/1= disable/enable
*Bit2(CALL_2/RANGE) : CALLER ID RAM selection / low power detect voltage range
ps. When code option bit2(CIDEN) is “1”, extra CID RAM can be selected and RB bit2 is CALL_2.
User cannot use SDT function. At this mode, (Bit2,Bit0)=(CALL_2,CALL_1) can be set "00" to "11"
for four blocks of CALLER ID RAM area. User can use 1.0K RAM with RC ram address. Also low
voltage detect voltage is fixed at 2.5V
When code option bit2(CID) is “0”, low power detect voltage range can be selected and RB bit2 is
RANGE. At this mode, setting RANGE = 0/1 = 2.5V/3.5V
*Bit3(LOW_BAT):Low battery signal, 0/1 = battery voltage is low/normal.
VDD
/LPD
RANGE
LOW_BAT
VDD>3.7V
1
1
1
VDD<3.5V
1
1
0
VDD>2.7V
1
0
1
VDD<2.5V
1
0
0
Any 0
X
X
* Bit 5 ~ 4:Tone detection present time setup.
TDP2,TDP1
Tdp
0,0 20 ms
0,1 15 ms
__________________________________________________________________________________________________________________________________________________________________
* This specification is subject to be changed without notice.
07/13/2004 V1.5
11 Page | ||
| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet EM78P806A.PDF ] | |
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