AT89LP213 datasheet(87/90 Pages) ATMEL

87 / 90 page

3538A–MICRO–7/06

AT89LP213/214 [Preliminary]

Table of Contents

Description ............................................................................................... 1

Pin Configuration ..................................................................................... 2

2.1

AT89LP213: 14-lead TSSOP/PDIP ......................................................................2

2.2

AT89LP214: 14-lead TSSOP/PDIP ......................................................................2

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

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

Comparison to Standard 8051 ................................................................ 6

5.1

System Clock .......................................................................................................6

5.2

Instruction Execution7/06 with Single-Cycle Fetch ..............................................6

5.3

Interrupt Handling .................................................................................................6

5.4

Timer/Counters ....................................................................................................6

5.5

Serial Port ............................................................................................................6

5.6

Watchdog Timer ...................................................................................................7

5.7

I/O Ports ...............................................................................................................7

5.8

Reset ....................................................................................................................7

Memory Organization .............................................................................. 7

6.1

Program Memory .................................................................................................7

6.2

Data Memory ........................................................................................................8

Special Function Registers ..................................................................... 9

Enhanced CPU ....................................................................................... 10

8.1

Restrictions on Certain Instructions ...................................................................11

System Clock ......................................................................................... 12

9.1

Crystal Oscillator ................................................................................................12

9.2

External Clock Source ........................................................................................12

9.3

Internal RC Oscillator .........................................................................................12

9.4

System Clock Out ..............................................................................................12

10. Reset ....................................................................................................... 13

10.1

Power-on Reset .................................................................................................13

10.2

Brown-out Reset ................................................................................................15

10.3

External Reset ....................................................................................................15

10.4

Watchdog Reset .................................................................................................16

10.5

Software Reset ...................................................................................................16

AT89LP213 数据表(PDF) 87 Page - ATMEL Corporation

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