ATMEGA3250P-20AU Atmel, ATMEGA3250P-20AU Datasheet - Page 309

• Manufacturer Part Number: ATMEGA3250P-20AU
• Description: IC MCU AVR 32K FLASH 100-TQFP
• Manufacturer: Atmel
• Series: AVR® ATmegar

Specifications of ATMEGA3250P-20AU

• Core Processor: AVR
• Core Size: 8-Bit
• Speed: 20MHz
• Connectivity: SPI, UART/USART, USI
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 69
• 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: 100-TQFP, 100-VQFP
• Processor Series: ATMEGA32x
• Core: AVR8
• Data Bus Width: 8 bit
• Data Ram Size: 2 KB
• Interface Type: SPI/UART/USI
• Maximum Clock Frequency: 20 MHz
• Number Of Programmable I/os: 69
• Number Of Timers: 3
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• 3rd Party Development Tools: EWAVR, EWAVR-BL
• Development Tools By Supplier: ATAVRDRAGON, ATSTK500, ATSTK600, ATAVRISP2, ATAVRONEKIT
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 8-ch x 10-bit
• For Use With: ATSTK600-TQFP100 - STK600 SOCKET/ADAPTER 100-TQFP770-1007 - ISP 4PORT ATMEL AVR MCU SPI/JTAG770-1005 - ISP 4PORT FOR ATMEL AVR MCU JTAG770-1004 - ISP 4PORT FOR ATMEL AVR MCU SPIATAVRISP2 - PROGRAMMER AVR IN SYSTEMATSTK504 - STARTER KIT AVR EXP MOD 100P LCD
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: ATMEGA3250P-16AU; ATMEGA3250P-16AU

26.8
309
Brown-out Detection
ATmega325P/3250P
Table 26-5.
Notes:
Table 26-6.
Note:
Symbol
SR
V
POT
ON
BODLEVEL 1:0 Fuses
1. Values are guidelines only. Actual values are TBD.
2. The Power-on Reset will not work unless the supply voltage has been below V
1. V
this is the case, the device is tested down to V
antees that a Brown-Out Reset will occur before V
operation of the microcontroller is no longer guaranteed. The test is performed using
BODLEVEL = 10 for ATmega325P/3250PV and BODLEVEL = 01 for ATmega325P/3250PL.
BOT
Parameter
Power-on Reset Threshold Voltage (rising)
Power-on Reset Threshold Voltage (falling)
Power-on Slope Rate
Reset, Brown-out and Internal Voltage Reference Characteristics
T
BODLEVEL Fuse Coding
A
may be below nominal minimum operating voltage for some devices. For devices where
11
10
01
00
= -40°C to 85°C
Min V
(1)
1.7
2.5
4.1
BOT
(2)
CC
Typ V
= V
CC
1.8
2.7
4.3
BOT
BOD Disabled
drops to a voltage where correct
BOT
during the production test. This guar-
0.01
Min
1.1
0.6
Max V
Typ
1.4
1.3
2.9
4.5
2
BOT
(1)
Max
1.6
1.6
,
10
POT
8023F–AVR–07/09
(falling)
Units
Units
V/ms
V
V
V