atmega323l ATMEL Corporation, atmega323l Datasheet - Page 196

• Manufacturer Part Number: atmega323l
• Description: Atmega323 8-bit Avr Microcontroller With 32k Bytes Of In-system Programmable Flash
• Manufacturer: ATMEL Corporation

196
ATmega323(L)
Table 67. Parallel Programming Characteristics, T
Notes:
Symbol
V
I
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
PP
DVXH
XHXL
XLDX
XLWL
BVPH
PHPL
PLBX
PLWL
BVWL
RHBX
WLWH
WLRL
WLRH
WLRH_CE
WLRH_FLASH
XLOL
OLDV
OHDZ
PP
(1)
1. t
2. tWLRH_CE is valid for the Chip Erase command.
3. tWLRH_FLASH is valid for the Write Flash command.
(2)
WLRH
(3)
is valid for the Write EEPROM, Write Fuse bits and Write Lock bits commands.
Parameter
Programming Enable Voltage
Programming Enable Current
Data and Control Valid before XTAL1 High
XTAL1 Pulse Width High
Data and Control Hold after XTAL1 Low
XTAL1 Low to WR Low
BS1 Valid before PAGEL High
PAGEL Pulse Width High
BS1 Hold after PAGEL Low
PAGEL Low to WR Low
BS1 Valid to WR Low
BS1 Hold after RDY/BSY High
WR Pulse Width Low
WR Low to RDY/BSY Low
WR Low to RDY/BSY High
WR Low to RDY/BSY High for Chip Erase
WR Low to RDY/BSY High for Write Flash
XTAL1 Low to OE Low
OE Low to DATA Valid
OE High to DATA Tri-stated
(1)
A
= 25 C ± 10%, V
(2)
(3)
11.5
Min
67
67
67
67
67
67
67
67
67
67
67
16
67
0
1
8
Typ
1.5
23
12
20
CC
= 5 V ± 10%
1457G–AVR–09/03
Max
12.5
250
2.5
1.9
30
15
20
Units
ms
ms
ms
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
V
A
s