EMC EM78612 Uživatelský manuál stáhnout pdf (Strana 3)

Contents

Product Specification (V1.4) 11.23.2011 • iii

Contents

1 General Description...................................................................................................1

2 Features ......................................................................................................................1

3 Application..................................................................................................................2

4 Pin Description...........................................................................................................3

5 Block Diagram............................................................................................................4

6 Function Description .................................................................................................4

6.1 Program Memory................................................................................................ 4

6.2 Data Memory...................................................................................................... 5

6.2.1 Special Purpose Registers..................................................................................5

6.2.1.1 Operation Registers in Bank 0 .............................................................6

6.2.1.2 Control Registers in Bank 0 ...............................................................12

6.2.2 USB Application FIFOs .....................................................................................16

6.3 I/O Ports ...........................................................................................................17

6.3.1 Programmable Large Current ...........................................................................17

6.3.2 Wake up by Port Change Function ...................................................................17

6.4 USB Application................................................................................................ 17

6.4.1 Detect PS/2 or USB Mode ................................................................................17

6.4.2 USB Device Controller – UDC ..........................................................................18

6.4.3 Device Address and Endpoints .........................................................................18

6.5 Reset................................................................................................................ 19

6.5.1 Power-on Reset.................................................................................................19

6.5.2 Watchdog Reset................................................................................................19

6.5.3 USB Reset.........................................................................................................19

6.6 Power Saving Mode ......................................................................................... 19

6.6.1 Power Down Mode............................................................................................19

6.6.2 Dual Clock Mode...............................................................................................20

6.7 Interrupt............................................................................................................ 20

7 Absolute Maximum Ratings....................................................................................21

8 DC Electrical Characteristic ....................................................................................22

9 Application Circuits .................................................................................................24

APPENDIX

A Special Register Map...............................................................................................25

B Instruction Set..........................................................................................................26

C Code Option Register ..............................................................................................29

1 2 3 4 5 6 7 8 ... 32 33

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EMC EM78612 Uživatelský manuál Strana 3