atmega32u4-16mu ATMEL Corporation, atmega32u4-16mu Datasheet - Page 378
atmega32u4-16mu
Manufacturer Part Number
atmega32u4-16mu
Description
Atmega32u4 8-bit Avr Microcontroller With 32k Bytes Of Isp Flash And Usb Controller
Manufacturer
ATMEL Corporation
Datasheet
1.ATMEGA32U4-16MU.pdf
(431 pages)
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29.6.15
378
ATmega32U4
Parallel Programming Characteristics
Figure 29-7. Parallel Programming Timing, Including some General Timing Requirements
Figure 29-8. Parallel Programming Timing, Loading Sequence with Timing Requirements
Note:
Figure 29-9. Parallel Programming Timing, Reading Sequence (within the Same Page) with
XTAL1
DATA
PAGEL
(DATA, XA0/1, BS1, BS2)
XTAL1
BS1
XA0
XA1
DATA
OE
BS1
XA0
XA1
1. The timing requirements shown in
ing operation.
Data & Contol
Timing Requirements
RDY/BSY
ADDR0 (Low Byte)
LOAD ADDRESS
ADDR0 (Low Byte)
LOAD ADDRESS
PAGEL
(LOW BYTE)
XTAL1
(LOW BYTE)
WR
t
XLOL
t
OLDV
t
t
BVPH
DVXH
(1)
LOAD DATA
(LOW BYTE)
DATA (Low Byte)
t
t
XHXL
PHPL
DATA (Low Byte)
READ DATA
(LOW BYTE)
Figure 29-7
t
t
t
t
t
XLXH
XLDX
XLWL
PLBX
PLWL
t
BVDV
(i.e., t
t
BVWL
(HIGH BYTE)
LOAD DATA
DATA (High Byte)
DVXH
(HIGH BYTE)
READ DATA
t
DATA (High Byte)
WLWH
t
XLPH
WLRL
LOAD DATA
, t
XHXL
, and t
t
OHDZ
t
PLXH
t
WLBX
XLDX
LOAD ADDRESS
LOAD ADDRESS
(LOW BYTE)
(LOW BYTE)
) also apply to load-
ADDR1 (Low Byte)
ADDR1 (Low Byte)
7766A–AVR–03/08
t
WLRH
(1)
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