ATMEGA8U2-AUR Atmel, ATMEGA8U2-AUR Datasheet - Page 271

• Manufacturer Part Number: ATMEGA8U2-AUR
• Description: MCU AVR 8K FLASH 16MHZ 32TQFP
• Manufacturer: Atmel
• Series: AVR® ATmegar

Specifications of ATMEGA8U2-AUR

• Core Processor: AVR
• Core Size: 8-Bit
• Speed: 16MHz
• Connectivity: SPI, UART/USART, USB
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 22
• Program Memory Size: 8KB (4K x 16)
• Program Memory Type: FLASH
• Eeprom Size: 512 x 8
• Ram Size: 512 x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 5.5 V
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 32-TQFP, 32-VQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Data Converters: -

7799D–AVR–11/10
Figure 26-6. Parallel Programming Timing, Loading Sequence with Timing Requirements
Note:
Figure 26-7. Parallel Programming Timing, Reading Sequence (within the Same Page) with
Note:
Table 26-9.
Symbol
V
I
t
t
t
t
PP
DVXH
XLXH
XHXL
XLDX
PP
XTAL1
DATA
PAGEL
XTAL1
BS1
XA0
XA1
DATA
OE
BS1
XA0
XA1
1. The timing requirements shown in
1. The timing requirements shown in
ing operation.
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
Timing Requirements
Parallel Programming Characteristics, V
ADDR0 (Low Byte)
LOAD ADDRESS
ADDR0 (Low Byte)
LOAD ADDRESS
(LOW BYTE)
(LOW BYTE)
t
XLOL
t
OLDV
(1)
(LOW BYTE)
LOAD DATA
DATA (Low Byte)
DATA (Low Byte)
READ DATA
(LOW BYTE)
Figure 26-5
Figure 26-5
t
XLXH
ATmega8U2/16U2/32U2
t
BVDV
(i.e., t
(i.e., t
(HIGH BYTE)
LOAD DATA
CC
= 5V ± 10%
DATA (High Byte)
DVXH
DVXH
(HIGH BYTE)
READ DATA
DATA (High Byte)
t
XLPH
LOAD DATA
, t
, t
XHXL
XHXL
11.5
Min
200
150
67
67
, and t
, and t
t
OHDZ
t
PLXH
Typ
XLDX
XLDX
LOAD ADDRESS
LOAD ADDRESS
(LOW BYTE)
(LOW BYTE)
) also apply to read-
) also apply to load-
ADDR1 (Low Byte)
ADDR1 (Low Byte)
Max
12.5
250
Units
μA
ns
ns
ns
ns
V
(1)
271