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ATmega16HVB Fiches technique(PDF) 238 Page - ATMEL Corporation

No de pièce ATmega16HVB
Description  8-bit Microcontroller with 16K/32K Bytes In-System Programmable Flash
PDF  273 Pages
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Fabricant  ATMEL [ATMEL Corporation]
Site Internet  http://www.atmel.com
Logo ATMEL - ATMEL Corporation

ATmega16HVB Fiches technique(HTML) 238 Page - ATMEL Corporation

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238
8042A–AVR–07/09
ATmega16HVB/32HVB
Figure 32-4. Serial Programming Waveforms
Note:
1. 2.2 t
CLCL for fck < 12 MHz, 3 tCLCL for fck >= 12 MHz
32.16 Parallel Programming Characteristics
Figure 32-5. Parallel Programming Timing, Including some General Timing Requirements
MSB
MSB
LSB
LSB
SERIAL CLOCK INPUT
(SCK)
SERIAL DATA INPUT
(MOSI)
(MISO)
SAMPLE
SERIAL DATA OUTPUT
Table 32-17. Serial Programming Characteristics, T
A = -40°C to 85°C, VCC = 3.3V (Unless Otherwise Noted)
Symbol
Parameter
Min
Typ
Max
Units
1/tCLCL
Oscillator Frequency (ATmega16HVB/32HVB)
0
8
MHz
tCLCL
Oscillator Period (ATmega16HVB/32HVB)
125
ns
tSHSL
SCK Pulse Width High
2.2 tCLCL
(1)
tSLSH
SCK Pulse Width Low
2.2 tCLCL
(1)
tOVSH
MOSI Setup to SCK High
tCLCL
tSHOX
MOSI Hold after SCK High
2 tCLCL
tSLIV
SCK Low to MISO Valid
15
Data & Contol
(DATA, XA0/1, BS1, BS2)
XTAL1
t
XHXL
t
WLWH
t
DVXH
t
XLDX
t
PLWL
t
WLRH
WR
RDY/BSY
PAGEL
t
PHPL
t
PLBX
t
BVPH
t
XLWL
t
WLBX
t
BVWL
WLRL



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