ATMEGA48-20MMH Atmel, ATMEGA48-20MMH Datasheet - Page 354

• Manufacturer Part Number: ATMEGA48-20MMH
• Description: MCU AVR 4KB FLASH 20MHZ 28QFN
• Manufacturer: Atmel
• Series: AVR® ATmegar

Specifications of ATMEGA48-20MMH

• 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: 4KB (2K x 16)
• Program Memory Type: FLASH
• Eeprom Size: 256 x 8
• Ram Size: 512 x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 5.5 V
• Data Converters: A/D 8x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 28-VQFN Exposed Pad, 28-HVQFN, 28-SQFN, 28-DHVQFN
• Processor Series: ATMEGA48x
• Core: AVR8
• 3rd Party Development Tools: EWAVR, EWAVR-BL
• Development Tools By Supplier: ATAVRDRAGON, ATSTK500, ATSTK600, ATAVRISP2, ATAVRONEKIT
• Data Bus Width: 8 bit
• Maximum Clock Frequency: 16 MHz
• Operating Supply Voltage: 2.7 V to 5.5 V
• Supply Voltage (max): 5.5 V
• Supply Voltage (min): 2.7 V
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

33.3
354
32M1-A
ATmega48/88/168
R
P
2325 Orchard Parkway
San Jose, CA 95131
Note: JEDEC Standard MO-220, Fig. 2 (Anvil Singulation), VHHD-2.
P
1
2
3
b
BOTTOM VIEW
K
Pin 1 ID
TOP VIEW
Pin #1 Notch
(0.20 R)
D1
D2
D
TITLE
32M1-A, 32-pad, 5 x 5 x 1.0 mm Body, Lead Pitch 0.50 mm,
3.10 mm Exposed Pad, Micro Lead Frame Package (MLF)
e
1
2
3
E2
E1
L
E
K
A2
A
0
A3
A1
SIDE VIEW
SYMBOL
0.08 C
0
A
A1
A2
A3
b
D
D2
E
E1
E2
e
L
P
D1
K
0.80
0.18
4.90
4.70
2.95
4.90
4.70
2.95
0.30
COMMON DIMENSIONS
0.20
MIN
(Unit of Measure = mm)
–
–
–
–
0.20 REF
0.50 BSC
NOM
0.90
0.02
0.65
0.23
5.00
4.75
3.10
5.00
4.75
3.10
0.40
–
–
–
DRAWING NO.
MAX
1.00
0.05
1.00
0.30
5.10
4.80
3.25
5.10
4.80
3.25
0.50
0.60
–
12
32M1-A
o
2545S–AVR–07/10
NOTE
5/25/06
REV.
E