ATMEGA32A-MNR Atmel, ATMEGA32A-MNR Datasheet - Page 283

• Manufacturer Part Number: ATMEGA32A-MNR
• Description: IC MCU AVR 32K 16MHZ 44VQFN
• Manufacturer: Atmel
• Series: AVR® ATmegar

Specifications of ATMEGA32A-MNR

• Core Processor: AVR
• Core Size: 8-Bit
• Speed: 16MHz
• Connectivity: I²C, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 32
• 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): 2.7 V ~ 5.5 V
• Data Converters: A/D 8x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 44-VFQFN Exposed Pad
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

8155C–AVR–02/11
without chip erasing the device. In this case, data polling cannot be used for the value $FF, and
the user will have to wait at least t
for t
Table 26-13. Minimum Wait Delay before Writing the Next Flash or EEPROM Location
Figure 26-11. SPI Serial Programming Waveforms
Symbol
t
t
t
t
WD_FLASH
WD_EEPROM
WD_ERASE
WD_FUSE
WD_EEPROM
SERIAL DATA OUTPUT
SERIAL CLOCK INPUT
SERIAL DATA INPUT
value.
SAMPLE
(MOSI)
(MISO)
(SCK)
MSB
MSB
WD_EEPROM
Minimum Wait Delay
4.5ms
9.0ms
9.0ms
4.5ms
before programming the next byte. See
ATmega32A
LSB
LSB
Table 26-13
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