ATMEGA325-16AJ ATMEL [ATMEL Corporation], ATMEGA325-16AJ Datasheet - Page 268
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ATMEGA325-16AJ
Manufacturer Part Number
ATMEGA325-16AJ
Description
8-bit Microcontroller with In-System Programmable Flash
Manufacturer
ATMEL [ATMEL Corporation]
Datasheet
1.ATMEGA325-16AJ.pdf
(347 pages)
- Current page: 268 of 347
- Download datasheet (3Mb)
Parallel Programming
Characteristics
268
ATmega325/3250/645/6450
Figure 117. Parallel Programming Timing, Including some General Timing
Requirements
Figure 118. Parallel Programming Timing, Loading Sequence with Timing
Requirements
Note:
PAGEL
XTAL1
(DATA, XA0/1, BS1, BS2)
DATA
BS1
XA0
XA1
1. The timing requirements shown in Figure 117 (i.e., t
Data & Contol
to loading operation.
RDY/BSY
(1)
ADDR0 (Low Byte)
LOAD ADDRESS
PAGEL
XTAL1
(LOW BYTE)
WR
t
t
BVPH
DVXH
(LOW BYTE)
LOAD DATA
DATA (Low Byte)
t
t
XHXL
PHPL
t
t
t
t
t
XLXH
XLDX
PLBX
XLWL
PLWL
t
BVWL
(HIGH BYTE)
LOAD DATA
DATA (High Byte)
t
WLWH
t
DVXH
XLPH
WLRL
LOAD DATA
, t
XHXL
t
PLXH
t
, and t
WLBX
LOAD ADDRESS
XLDX
(LOW BYTE)
2570A–AVR–09/04
ADDR1 (Low Byte)
) also apply
t
WLRH
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