T89C51RD2-DDFI-M View Datasheet(PDF) - Atmel Corporation

Part Name

Description

Manufacturer

T89C51RD2-DDFI-M

0 to 40 MHz Flash Programmable 8-bit Microcontroller

Atmel Corporation 

T89C51RD2

9.5.9. FLASH EEPROM Programming and Verification Characteristics

TA = 21°C to 27°C; VSS = 0V; VCC = 5V ± 10%.

Table 47. Flash Programming Parameters

Symbol

Parameter

Min

Max

1/TCLCL

Oscillator Frquency

4

6

TEHAZ

Control to address float

48 TCLCL

TAVGL

TGHAX

Address Setup to PROG Low

Adress Hold after PROG

48 TCLCL

48 TCLCL

TDVGL

Data Setup to PROG Low

48 TCLCL

TGHDX

Data Hold after PROG

48 TCLCL

TGLGH

PROG Width for PGMC and PGXC*

10

20

TGLGH

PROG Width for PGML

48 TCLCL

TAVQV

Address to Valid Data

48 TCLCL

TELQV

ENABLE Low to Data Valid

48 TCLCL

TEHQZ

Data Float after ENABLE

0

48 TCLCL

Units

MHz

ms

9.5.10. FLASH EEPROM Programming and Verification Waveforms

P1.0-P1.7

P2.0-P2.4

P3.4-P3.5

P0

ALE/PROG

CONTROL

SIGNALS

(ENABLE)

PROGRAMMING

ADDRESS

TDVGL

TAVGL

DATA IN

TGHDX

TGHAX

VERIFICATION

ADDRESS

TAVQV

DATA OUT

TGLGH

TEHAZ

TELQV

TEHQZ

83

Rev. F - 15 February, 2001

Share Link: