ATMEGA88A-MMH Atmel, ATMEGA88A-MMH Datasheet - Page 57

• Manufacturer Part Number: ATMEGA88A-MMH
• Description: IC MCU AVR 8K FLASH 28QFN
• Manufacturer: Atmel
• Series: AVR® ATmegar

Specifications of ATMEGA88A-MMH

• 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: 8KB (4K x 16)
• Program Memory Type: FLASH
• Eeprom Size: 512 x 8
• Ram Size: 1K 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: 28-VQFN Exposed Pad, 28-HVQFN, 28-SQFN, 28-DHVQFN
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

8271C–AVR–08/10
Table 10-2.
ATmega48A/48PA/88A/88PA/168A/168PA/328/328
WDP3
0
1
1
1
1
1
1
1
1
WDP2
1
0
0
0
0
1
1
1
1
Watchdog Timer Prescale Select (Continued)
WDP1
1
0
0
1
1
0
0
1
1
WDP0
1
0
1
0
1
0
1
0
1
Number of WDT Oscillator
1024K (1048576) cycles
256K (262144) cycles
512K (524288) cycles
Cycles
Reserved
Typical Time-out at
V
CC
2.0 s
4.0 s
8.0 s
= 5.0V
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