|
|
PDF EM78805B Data sheet ( Hoja de datos )
| Número de pieza | EM78805B | |
| Descripción | 8-BIT MICROCONTROLLER | |
| Fabricantes | ELAN Microelectronics | |
| Logotipo |  |
|
Hay una vista previa y un enlace de descarga de EM78805B (archivo pdf) en la parte inferior de esta página. Total 28 Páginas | ||
|
No Preview Available !
EM78805B
8-BIT MICRO-CONTROLLER
Version 2.7
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  
EM78805B
8-bit Micro-controller
V. Functional Block Diagram
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
TIP
RING
TONE
Energy
Detector
PORT6
PORT5
IOC6 R6
IOC5 R5
PORT7
IOC7 R7
P60~P67
P54~P57
P70~P74
P76~P77
Fig.2 Block diagram
PORT9
IOC9 R9
LCD
DRIVER
P90~P97
__________________________________________________________________________________________________________________________________________________________________
* This specification are subject to be changed without notice.
3 2004/02/16
5 Page 
EM78805B
8-bit Micro-controller
If input signal from TIP, RING pins to Energy Detector and output is over the threshold level setting at
IOCA PAGE1 bit 0 (DEDTHD), the DED will extract the zero-crossing pulse waveform corresponding to
input signal.
Bit 4 ~ Bit 6 : unused
Bit 7 (EDGE) : Wake-up and interrupt trigging edge control of Energy Detector output
0/1 Î Falling edge trig. / Rising edge & Falling edge trig.
9. RC
765432
CIDA7 CIDA6 CIDA5 CIDA4 CIDA3 CIDA2
* Bit 0 ~ Bit 7 select CALLER ID RAM address up to 256.
1
CIDA1
0
CIDA0
10. RD
* Bit 0 ~ Bit 8 are CALLER ID RAM data transfer register.
User can see RB bit0 register how to select CID RAM banks.
11. RE
7 654 3 21 0
x /WDTE /WUP97 /WUP96 x LCD_C2
* Bit 0 (/WUEDD) : Wake-up control of Energy Detector DED output data
1/0 Î enable/disable
* Bit 1 ~ Bit 2 (LCD_C1 ~ LCD_C2) : LCD display enable or blanking.
The display duty change must set the (LCD_C2,LCD_C1) to (0,0).
LCD_C1
/WUEDD
(LCD_C2,LCD_C1) LCD Display Control duty bias
(0,0) Disable(turn off LCD) 1/8 1/4
1/8 1/4
(0,1) Blanking :
(1,1) LCD display enable :
* Bit 3 = 0 : unused
* Bit4 (/WUP96, PORT9 bit6 Wake Up Enable): used to enable the wake-up function of PORT9 bit6 .
(1/0=enable/disable)
* Bit5 (/WUP97, PORT9 bit7 Wake Up Enable): used to enable the wake-up function of PORT9 bit7 .
(1/0=enable/disable)
* Bit6 (/WDTE,Watch Dog Timer Enable)
Control bit used to enable Watchdog timer.
(1/0=enable/disable)
* Bit7 : unused
12. RF (Interrupt Status Register)
7
6
54
3 21
EDD
x C8_2 C8_1 INT2/INT3 INT1 INT0
* "1" means interrupt request, "0" means non-interrupt
* Bit 0 (TCIF) TCC timer overflow interrupt flag. Set when TCC timer overflows .
* Bit 1 (INT0) external INT0 pin interrupt flag .
* Bit 2 (INT1) external INT1 pin interrupt flag .
* Bit 3 (INT2/INT3) external INT2 and INT3 pin interrupt flag .
* Bit 4 (C8_1) internal 8 bit counter interrupt flag .
* Bit 5 (C8_2) internal 8 bit counter interrupt flag .
* Bit 6 : unused
* Bit 7 (EDD) : Interrupt flag of Differential Energy Detector (DED) output data
0
TCIF
__________________________________________________________________________________________________________________________________________________________________
* This specification are subject to be changed without notice.
9 2004/02/16
11 Page | ||
| Páginas | Total 28 Páginas | |
| PDF Descargar | [ Datasheet EM78805B.PDF ] | |
Hoja de datos destacado
| Número de pieza | Descripción | Fabricantes |
| EM78805A | 8-BIT MICRO-CONTROLLER |  ELAN Microelectronics Corp |
| EM78805B | 8-BIT MICROCONTROLLER | ELAN Microelectronics |
| EM78805C | 8-BIT MICRO-CONTROLLER | ELAN Microelectronics |
| Número de pieza | Descripción | Fabricantes |
| SLA6805M | High Voltage 3 phase Motor Driver IC. |
 Sanken |
| SDC1742 | 12- and 14-Bit Hybrid Synchro / Resolver-to-Digital Converters. |
 Analog Devices |
|
DataSheet.es es una pagina web que funciona como un repositorio de manuales o hoja de datos de muchos de los productos más populares, |
| DataSheet.es | 2020 | Privacy Policy | Contacto | Buscar |