AT89LP51 datasheet(111/113 Pages) ATMEL

111 / 113 page

iii

3709B–MICRO–12/10

AT89LP51/52 - Preliminary

Table of Contents (Continued)

Programmable Watchdog Timer ........................................................... 73

15.1

Software Reset ................................................................................................73

Instruction Set Summary ...................................................................... 75

Programming the Flash Memory .......................................................... 79

17.1

Physical Interface ............................................................................................79

17.2

Memory Organization ...................................................................................... 81

17.3

Command Format ............................................................................................82

17.4

Status Register ................................................................................................85

17.5

DATA Polling ................................................................................................... 85

17.6

Flash Security ..................................................................................................85

17.7

User Configuration Fuses ................................................................................86

17.8

User Signature .................................................................................................87

17.9

Programming Interface Timing ........................................................................87

Electrical Characteristics ...................................................................... 92

18.1

Absolute Maximum Ratings* ...........................................................................92

18.2

DC Characteristics ...........................................................................................92

18.3

Typical Characteristics ....................................................................................93

18.4

Clock Characteristics .......................................................................................96

18.5

Reset Characteristics ......................................................................................97

18.6

External Memory Characteristics .....................................................................98

18.7

Serial Port Timing: Shift Register Mode ........................................................100

18.8

Test Conditions ..............................................................................................100

Ordering Information ........................................................................... 103

19.1

Green Package Option (Pb/Halide-free) ........................................................103

Packaging Information ........................................................................ 104

20.1

44A – TQFP ...................................................................................................104

20.2

40P6 – PDIP ..................................................................................................105

20.3

44J – PLCC ...................................................................................................106

20.4

44M1 – VQFN/MLF .......................................................................................107

Revision History ................................................................................... 108

AT89LP51 Datasheet(PDF) 111 Page - ATMEL Corporation

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