AT89LP213 datasheet(88/90 Pages) ATMEL

88 / 90 page

3538A–MICRO–7/06

AT89LP213/214 [Preliminary]

Table of Contents (Continued)

11. Power Saving Modes ............................................................................. 16

11.1

Idle Mode ...........................................................................................................16

11.2

Power-down Mode .............................................................................................16

12. Interrupts ................................................................................................ 18

12.1

Interrupt Response Time ....................................................................................20

13. I/O Ports .................................................................................................. 22

13.1

Port Configuration ..............................................................................................22

13.2

Port 1 Analog Functions .....................................................................................25

13.3

Port Read-Modify-Write ......................................................................................25

13.4

Port Alternate Functions .....................................................................................26

14. Enhanced Timer/Counters .................................................................... 27

14.1

Mode 0 – Variable Width Timer/Counter ............................................................27

14.2

Mode 1 – 16-bit Auto-Reload Timer/Counter .....................................................28

14.3

Mode 2 – 8-bit Auto-Reload Timer/Counter .......................................................29

14.4

Mode 3 – 8-bit Split Timer ..................................................................................29

14.5

Pulse Width Modulation .....................................................................................32

15. External Interrupts ................................................................................. 36

16. General-purpose Interrupts .................................................................. 36

17. Serial Interface ....................................................................................... 38

17.1

Multiprocessor Communications ........................................................................38

17.2

Baud Rates ........................................................................................................40

17.3

More About Mode 0 ............................................................................................41

17.4

More About Mode 1 ............................................................................................43

17.5

More About Modes 2 and 3 ................................................................................45

17.6

Framing Error Detection .....................................................................................48

17.7

Automatic Address Recognition .........................................................................48

18. Serial Peripheral Interface ..................................................................... 49

19. Analog Comparator ............................................................................... 55

19.1

Comparator Interrupt with Debouncing ..............................................................55

20. Programmable Watchdog Timer ........................................................... 57

20.1

Software Reset ...................................................................................................58

21. Instruction Set Summary ...................................................................... 59

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