at87f52-20qi ATMEL Corporation, at87f52-20qi Datasheet - Page 15

• Manufacturer Part Number: at87f52-20qi
• Description: At87f52 8-bit Microcontroller With 8k Bytes Quickflash
• Manufacturer: ATMEL Corporation

QuickFlash Programming and Verification Waveforms
P1.0 - P1.7
P2.0 - P2.4
ALE/PROG
(RDY/BSY)
(ENABLE)
PORT 0
P3.4
P2.7
EA/V
PP
t
t
SHGL
AVGL
t
EHSH
V
PROGRAMMING
PP
t
DVGL
ADDRESS
DATA IN
t
GLGH
t
GHBL
(2)
t
GHDX
t
ELQV
t
GHAX
t
GHSL
LOGIC 1
LOGIC 0
BUSY
t
WC
VERIFICATION
DATA OUT
ADDRESS
t
AVQV
READY
t
EHQZ
15