T89C51RD2-SMSC-L View Datasheet(PDF) - Atmel Corporation
Part Name
Description
MFG CO.
'T89C51RD2-SMSC-L' PDF : 86 Pages View PDF
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
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