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PDF EM78568 Data sheet ( Hoja de datos )
| Número de pieza | EM78568 | |
| Descripción | 8-BIT MICROCONTROLLER | |
| Fabricantes | ELAN Microelectronics | |
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Hay una vista previa y un enlace de descarga de EM78568 (archivo pdf) en la parte inferior de esta página. Total 30 Páginas | ||
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EM78568
8-Bit
Microcontroller
for FRS
Product
Specification
DOC. VERSION 3.6
ELAN MICROELECTRONICS CORP.
February 2005
1 page  
Contents
7.3.11 IOCE (TONE1 Extra Control Bits, CTCSS Control Switches)...........................40
7.3.11.1 PAGE0 (Interrupt Mask, TONE1 Extra Three Control Bits)................40
7.3.11.2 PAGE1 (CTCSS Control Switches)....................................................40
7.3.12 IOCF (Interrupt Mask) .......................................................................................42
7.4 I/O Port ............................................................................................................ 43
7.5 RESET ............................................................................................................. 44
7.6 Wake-up........................................................................................................... 45
7.6.1 SLEEP Mode, RA(7) = 0 + "SLEP" Instruction..................................................45
7.6.2 IDLE mode, RA(7) = 1 + "SLEP" Instruction. ....................................................45
7.6.3 /RESET Pull Low...............................................................................................46
7.7 Interrupt........................................................................................................... 46
7.8 Instruction Set ................................................................................................ 46
7.9 CODE Option Register ................................................................................... 48
7.10 Signal and Control Paths for DAC, DAC Tone Gen., CTCSS
and Comparator.............................................................................................. 50
7.10.1 DAC Program Mode ..........................................................................................51
7.10.2 DAC Output Paths.............................................................................................51
7.10.3 Using 2.5V Ref and DAC ..................................................................................51
7.10.4 Select DAO/P67 Pin as Normal I/O P67 ...........................................................52
7.10.5 Using DAC General Mode.................................................................................52
7.10.6 Using DAC Tone Generator Mode ....................................................................52
7.11 CTCSS Block .................................................................................................. 53
7.11.1 Block Control and Signal Flow Description ......................................................53
7.11.2 Special Application on Audio/CTCSS Tone Mixing Output................................56
7.12 8-bit R-2R DAC................................................................................................ 58
7.13 4-bit Comparator............................................................................................. 59
7.14 Programming Tone Generators..................................................................... 60
8 Absolute Operation Maximum Ratings...................................................... 61
9 DC Electrical Characteristic........................................................................ 61
10 AC Electrical Characteristic........................................................................ 63
11 Timing Diagrams ......................................................................................... 65
12 Application circuit ....................................................................................... 67
APPENDIX
A User Application Note ................................................................................. 68
EM78568 Product Specification
v
5 Page 
EM78568
8-Bit Microcontroller for FRS
2.6 POVD
Power-on voltage detector reset
Without external reset circuit while enabling
2.7 LCD
Common driver pins: 4
Segment driver pins: 20
1/3 bias
1/4 duty, 1/2 duty
16 Level LCD contrast control by software
2.8 PACKAGE
100-pin QFP (EM78568Q)
63-pin die (EM78568H)
3 Application
FRS (Family Radio Systems) and other wireless portable products
Product Specification (V3.6) 02.02.2005
(This specification is subject to change without further notice)
•3
11 Page | ||
| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet EM78568.PDF ] | |
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