ATMEGA328-MUR Atmel, ATMEGA328-MUR Datasheet - Page 329

• Manufacturer Part Number: ATMEGA328-MUR
• Description: IC MCU AVR 32K FLASH 32QFN
• Manufacturer: Atmel
• Series: AVR® ATmegar

Specifications of ATMEGA328-MUR

• Core Processor: AVR
• Core Size: 8-Bit
• Speed: 20MHz
• Connectivity: I²C, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 23
• Program Memory Size: 32KB (16K x 16)
• Program Memory Type: FLASH
• Eeprom Size: 1K x 8
• Ram Size: 2K x 8
• Voltage - Supply (vcc/vdd): 1.8 V ~ 5.5 V
• Data Converters: A/D 8x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 32-VQFN Exposed Pad, 32-HVQFN, 32-SQFN, 32-DHVQFN
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

28.9
8271C–AVR–08/10
Parallel Programming Characteristics
Table 28-17. Parallel Programming Characteristics, V
Notes:
ATmega48A/48PA/88A/88PA/168A/168PA/328/328
Symbol
V
I
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
PP
DVXH
XLXH
XHXL
XLDX
XLWL
XLPH
PLXH
BVPH
PHPL
PLBX
WLBX
PLWL
BVWL
WLWH
WLRL
WLRH
WLRH_CE
XLOL
BVDV
OLDV
OHDZ
PP
1. t
2. t
commands.
WLRH
WLRH_CE
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
XTAL1 Low to WR Low
XTAL1 Low to PAGEL high
PAGEL low to XTAL1 high
BS1 Valid before PAGEL High
PAGEL Pulse Width High
BS1 Hold after PAGEL Low
BS2/1 Hold after WR Low
PAGEL Low to WR Low
BS1 Valid to WR Low
WR Pulse Width Low
WR Low to RDY/BSY Low
WR Low to RDY/BSY High
WR Low to RDY/BSY High for Chip Erase
XTAL1 Low to OE Low
BS1 Valid to DATA valid
OE Low to DATA Valid
OE High to DATA Tri-stated
is valid for the Write Flash, Write EEPROM, Write Fuse bits and Write Lock bits
is valid for the Chip Erase command.
(1)
(2)
CC
= 5V ± 10%
Min.
11.5
200
150
150
150
150
3.7
7.5
67
67
67
67
67
67
67
0
0
0
0
0
Typ
Max
12.5
250
250
250
250
4.5
1
9
Units
μA
ms
ms
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
μs
ns
ns
ns
ns
V
329