ATmega1281R231 Atmel Corporation, ATmega1281R231 Datasheet - Page 348

• Manufacturer Part Number: ATmega1281R231
• Manufacturer: Atmel Corporation

Specifications of ATmega1281R231

• Flash (kbytes): 128 Kbytes
• Max. Operating Frequency: 16 MHz
• Max I/o Pins: 54
• Spi: 3
• Twi (i2c): 1
• Uart: 2
• Adc Channels: 8
• Adc Resolution (bits): 10
• Adc Speed (ksps): 15
• Analog Comparators: 1
• Crypto Engine: AES
• Sram (kbytes): 8
• Eeprom (bytes): 4096
• Operating Voltage (vcc): 1.8 to 3.6
• Timers: 6
• Frequency Band: 2.4 GHz
• Max Data Rate (mb/s): 2
• Antenna Diversity: Yes
• External Pa Control: Yes
• Power Output (dbm): 3
• Receiver Sensitivity (dbm): -101
• Receive Current Consumption (ma): 13.2
• Transmit Current Consumption (ma): 14.4
• Link Budget (dbm): 104

2549N–AVR–05/11
Figure 30-8. Parallel Programming Timing, Loading Sequence with Timing Requirements
Note:
Figure 30-9. Parallel Programming Timing, Reading Sequence (within the Same Page) with
Note:
Table 30-14. Parallel Programming Characteristics, V
Symbol
V
I
PP
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
also apply to loading operation.
also apply to reading operation.
Parameter
Programming Enable Voltage
Programming Enable Current
Timing Requirements
ADDR0 (Low Byte)
LOAD ADDRESS
ADDR0 (Low Byte)
LOAD ADDRESS
(LOW BYTE)
(LOW BYTE)
t
XLOL
t
OLDV
ATmega640/1280/1281/2560/2561
(1)
(LOW BYTE)
LOAD DATA
DATA (Low Byte)
DATA (Low Byte)
READ DATA
(LOW BYTE)
Figure 30-7 on page 347
Figure 30-7 on page 347
t
XLXH
t
BVDV
(HIGH BYTE)
LOAD DATA
CC
= 5V ±10%
DATA (High Byte)
(HIGH BYTE)
READ DATA
DATA (High Byte)
t
XLPH
LOAD DATA
11.5
(that is, t
Min
(that is, t
t
OHDZ
t
PLXH
DVXH
Typ
DVXH
LOAD ADDRESS
LOAD ADDRESS
(LOW BYTE)
, t
(LOW BYTE)
ADDR1 (Low Byte)
ADDR1 (Low Byte)
, t
XHXL
Max
12.5
250
XHXL
, and t
, and t
Units
XLDX
μA
V
(1)
XLDX
348
)
)