at89lp216-20xi ATMEL Corporation, at89lp216-20xi Datasheet - Page 87

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

Table of Contents
3621B–MICRO–11/07
1.
2.
3.
4.
5.
6.
7.
8.
9.
10. Reset ....................................................................................................... 12
11. Power Saving Modes ............................................................................. 15
Description ............................................................................................... 1
Pin Configuration ..................................................................................... 2
Pin Description ......................................................................................... 3
Block Diagram .......................................................................................... 4
Comparison to Standard 8051 ................................................................ 4
Memory Organization .............................................................................. 6
Special Function Registers ..................................................................... 8
Enhanced CPU ......................................................................................... 9
System Clock ......................................................................................... 11
2.1 AT89LP216: 16-lead PDIP/SOIC/TSSOP ..............................................................2
5.1 System Clock ..........................................................................................................4
5.2 Instruction Execution with Single-cycle Fetch .........................................................4
5.3 Interrupt Handling ...................................................................................................5
5.4 Timer/Counters .......................................................................................................5
5.5 Serial Port ...............................................................................................................5
5.6 Watchdog Timer .....................................................................................................5
5.7 I/O Ports ..................................................................................................................5
5.8 Reset ......................................................................................................................6
6.1 Program Memory ....................................................................................................6
6.2 Data Memory ..........................................................................................................7
8.1 Restrictions on Certain Instructions ...................................................................... 10
9.1 Crystal Oscillator ................................................................................................... 11
9.2 External Clock Source .......................................................................................... 11
9.3 Internal RC Oscillator ............................................................................................ 11
9.4 System Clock Out ................................................................................................. 11
10.1 Power-on Reset .................................................................................................... 12
10.2 Brown-out Reset ................................................................................................... 14
10.3 External Reset ...................................................................................................... 14
10.4 Watchdog Reset ................................................................................................... 15
10.5 Software Reset ..................................................................................................... 15
11.1 Idle Mode ..............................................................................................................15
11.2 Power-down Mode ................................................................................................ 15
AT89LP216
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