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AT89C1051

8-Bit Microcontroller with 1K Byte Flash

Atmel Corporation 

Flash Programming and Verification Characteristics

TA = 0°C to 70°C, VCC = 5.0 ± 10%

Symbol

Parameter

Min

Max

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: Only used in 12-volt programming mode.

11.5

12.5

250

1.0

1.0

1.0

10

10

1

110

1.0

0

1.0

50

2.0

1.0

200

Flash Programming and Verification Waveforms

Units

V

µA

µs

µs

µs

µs

µs

µs

µs

µs

ns

ms

µs

ns

4-10

AT89C1051

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