T89C51RD2-3CBC-L ATMEL [ATMEL Corporation], T89C51RD2-3CBC-L Datasheet - Page 83

• Manufacturer Part Number: T89C51RD2-3CBC-L
• Description: 0 to 40MHz Flash Programmable 8-bit Microcontroller
• Manufacturer: ATMEL [ATMEL Corporation]

T89C51RD2
9.5.9. FLASH EEPROM Programming and Verification Characteristics
T
9.5.10. FLASH EEPROM Programming and Verification Waveforms
83
A
= 21 C to 27 C; V
ALE/PROG
CONTROL
(ENABLE)
Symbol
P1.0-P1.7
P2.0-P2.4
P3.4-P3.5
1/T
T
T
T
T
T
T
T
T
T
T
SIGNALS
GHAX
GHDX
GLGH
GLGH
AVQV
EHAZ
AVGL
DVGL
ELQV
EHQZ
CLCL
P0
Oscillator Frquency
Control to address float
Address Setup to PROG Low
Adress Hold after
Data Setup to PROG Low
Data
PROG Width for PGMC and PGXC*
PROG Width for PGML
Address to Valid Data
ENABLE Low to Data Valid
Data Float after ENABLE
Hold after
SS
= 0V; V
T
DVGL
T
PROG
Parameter
AVGL
PROG
T
Table 47. Flash Programming Parameters
GLGH
CC
T
EHAZ
= 5V
PROGRAMMING
ADDRESS
DATA IN
10%.
T
GHDX
T
GHAX
48 T
48 T
48 T
48 T
48 T
Min
10
0
4
CLCL
CLCL
CLCL
CLCL
CLCL
T
ELQV
VERIFICATION
ADDRESS
DATA OUT
T
AVQV
48 T
48 T
48 T
48 T
Max
Rev. F - 15 February, 2001
20
6
CLCL
CLCL
CLCL
CLCL
T
EHQZ
Units
MHz
ms