AT87F55WD ATMEL [ATMEL Corporation], AT87F55WD Datasheet - Page 18

• Manufacturer Part Number: AT87F55WD
• Manufacturer: ATMEL [ATMEL Corporation]

QuickFlash Programming and Verification Waveforms
18
P1.0 - P1.7
P2.0 - P2.5
ALE/PROG
(RDY/BSY)
(ENABLE)
PORT 0
P3.0
P2.7
EA/V
AT87F55WD
P3.4
PP
t
t
SHGL
AVGL
t
EHSH
V
PROGRAMMING
PP
t
DVGL
ADDRESS
DATA IN
t
GLGH
t
GHBL
t
GHDX
t
ELQV
t
GHAX
t
GHSL
LOGIC 1
LOGIC 0
BUSY
t
WC
VERIFICATION
DATA OUT
ADDRESS
t
AVQV
READY
t
EHQZ