at89lp216-20xi ATMEL Corporation, at89lp216-20xi Datasheet - Page 88

• Manufacturer Part Number: at89lp216-20xi
• Description: At89lp216 8-bit Microcontroller With 2k Bytes Flash
• Manufacturer: ATMEL Corporation

Table of Contents (Continued)
ii
AT89LP216
12. Interrupts ................................................................................................ 18
13. I/O Ports .................................................................................................. 22
14. Enhanced Timer/Counters .................................................................... 27
15. External Interrupts ................................................................................. 36
16. General-purpose Interrupts .................................................................. 36
17. Serial Interface ....................................................................................... 38
18. Serial Peripheral Interface ..................................................................... 49
19. Analog Comparator ............................................................................... 55
20. Programmable Watchdog Timer ........................................................... 57
21. Instruction Set Summary ...................................................................... 59
22. On-Chip Debug System ......................................................................... 63
12.1 Interrupt Response Time ......................................................................................19
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
14.1 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
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
19.1 Comparator Interrupt with Debouncing .................................................................55
20.1 Software Reset ..................................................................................................... 58
22.1 Physical Interface ................................................................................................. 63
22.2 Software Breakpoints ............................................................................................ 64
22.3 Limitations of On-Chip Debug ...............................................................................64
3621B–MICRO–11/07