AT89C2051 View Datasheet(PDF) - Atmel Corporation

Part Name

Description

Manufacturer

AT89C2051

8-bit Microcontroller with 2K Bytes Flash

Atmel Corporation 

14. Flash Programming and Verification Characteristics

TA = 0°C to 70°C, VCC = 5.0 ± 10%

Symbol

Parameter

Min

VPP

Programming Enable Voltage

IPP

Programming Enable Current

tDVGL

Data Setup to PROG Low

tGHDX

Data Hold after PROG

tEHSH

P3.4 (ENABLE) High to VPP

tSHGL

VPP Setup to PROG Low

tGHSL

VPP Hold after PROG

tGLGH

PROG Width

tELQV

ENABLE Low to Data Valid

tEHQZ

Data Float after ENABLE

tGHBL

PROG High to BUSY Low

tWC

Byte Write Cycle Time

tBHIH

RDY/BSY\ to Increment Clock Delay

tIHIL

Increment Clock High

Note: 1. Only used in 12-volt programming mode.

11.5

1.0

1.0

1.0

10

10

1

0

1.0

200

15. Flash Programming and Verification Waveforms

AT89C2051

Max

Units

12.5

V

250

µA

µs

µs

µs

µs

µs

110

µs

1.0

µs

1.0

µs

50

ns

2.0

ms

µs

ns

11

0368G–MICRO–6/05

Share Link: