AT89LS52-16PI datasheet(26/40 Pages) ATMEL

tên linh kiện	AT89LS52-16PI

Giải thích chi tiết về linh kiện	8-bit Low-Voltage Microcontroller with 8K Bytes In-System Programmable Flash

PDF	40 Pages

Scroll/Zoom	100%

nhà sản xuất	ATMEL [ATMEL Corporation]

Trang chủ	http://www.atmel.com

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26 / 40 page

2601B–MICRO–03/05

AT89LS52

Figure 21-1. Flash Programming and Verification Waveforms – Parallel Mode

21. Flash Programming and Verification Characteristics (Parallel Mode)

A = 20°C to 30°C, VCC = 4.5V to 5.5V

Symbol

Parameter

Min

Max

Units

Programming Supply Voltage

11.5

12.5

Programming Supply Current

ICC

VCC Supply Current

1/t

CLCL

Oscillator Frequency

MHz

AVGL

Address Setup to PROG Low

48t

CLCL

tGHAX

Address Hold After PROG

48tCLCL

DVGL

Data Setup to PROG Low

48t

CLCL

GHDX

Data Hold After PROG

48t

CLCL

tEHSH

P2.7 (ENABLE) High to VPP

48tCLCL

SHGL

PP Setup to PROG Low

µs

GHSL

PP Hold After PROG

µs

tGLGH

PROG Width

0.2

µs

AVQV

Address to Data Valid

48t

CLCL

ELQV

ENABLE Low to Data Valid

48t

CLCL

tEHQZ

Data Float After ENABLE

048tCLCL

GHBL

PROG High to BUSY Low

1.0

µs

Byte Write Cycle Time

µs

GLGH

GHSL

AVGL

SHGL

DVGL

GHAX

AVQV

GHDX

EHSH

ELQV

BUSY

READY

GHBL

EHQZ

P1.0 - P1.7

P2.0 - P2.4

ALE/PROG

PORT 0

LOGIC 1

LOGIC 0

EA/V

P2.7

(ENABLE)

P3.0

(RDY/BSY)

PROGRAMMING

ADDRESS

VERIFICATION

ADDRESS

DATA IN

DATA OUT

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