ATMEGA8-16AI SL383 Atmel, ATMEGA8-16AI SL383 Datasheet - Page 235

• Manufacturer Part Number: ATMEGA8-16AI SL383
• Description: Semiconductors and Actives, Microprocessors, Microcontrollers
• Manufacturer: Atmel

2486W–AVR–02/10
Figure 111. Parallel Programming Timing, Reading Sequence (within the same Page) with Tim-
ing Requirements
Note:
Table 95. Parallel Programming Characteristics, V
Symbol
V
I
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
PP
DVXH
XLXH
XHXL
XLDX
XLWL
XLPH
PLXH
BVPH
PHPL
PLBX
WLBX
PLWL
BVWL
WLWH
WLRL
WLRH
WLRH_CE
XLOL
PP
XTAL1
DATA
BS1
XA0
XA1
OE
1. The timing requirements shown in
ing operation.
Parameter
Programming Enable Voltage
Programming Enable Current
Data and Control Valid before XTAL1 High
XTAL1 Low to XTAL1 High
XTAL1 Pulse Width High
Data and Control Hold after XTAL1 Low
XTAL1 Low to WR Low
XTAL1 Low to PAGEL high
PAGEL low to XTAL1 high
BS1 Valid before PAGEL High
PAGEL Pulse Width High
BS1 Hold after PAGEL Low
BS2/1 Hold after WR Low
PAGEL Low to WR Low
BS1 Valid to WR Low
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
XTAL1 Low to OE Low
(1)
ADDR0 (Low Byte)
LOAD ADDRESS
(LOW BYTE)
t
XLOL
t
OLDV
(1)
DATA (Low Byte)
READ DATA
(LOW BYTE)
Figure 109
(2)
CC
t
BVDV
(i.e., t
= 5V ± 10%
DVXH
(HIGH BYTE)
11.5
READ DATA
Min
200
150
150
150
150
3.7
7.5
67
67
67
67
67
67
67
DATA (High Byte)
0
0
0
0
, t
XHXL
Typ
, and t
t
OHDZ
ATmega8(L)
Max
12.5
XLDX
250
4.5
1
9
LOAD ADDRESS
(LOW BYTE)
) also apply to read-
ADDR1 (Low Byte)
Units
ms
ms
μA
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
μs
ns
V
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