ATMEGA32A-MU Atmel, ATMEGA32A-MU Datasheet - Page 303

• Manufacturer Part Number: ATMEGA32A-MU
• Description: MCU AVR 32K FLASH 16MHZ 44-QFN
• Manufacturer: Atmel
• Series: AVR® ATmegar

Specifications of ATMEGA32A-MU

• 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-VQFN Exposed Pad
• Processor Series: ATMEGA32x
• Core: AVR8
• Data Bus Width: 8 bit
• Data Ram Size: 2 KB
• Interface Type: 2-Wire, SPI, USART
• Maximum Clock Frequency: 16 MHz
• Number Of Programmable I/os: 32
• 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: 10 bit, 8 Channel
• Controller Family/series: AVR MEGA
• No. Of I/o's: 32
• Eeprom Memory Size: 1KB
• Ram Memory Size: 2KB
• Cpu Speed: 16MHz
• Rohs Compliant: Yes
• For Use With: ATSTK524 - KIT STARTER ATMEGA32M1/MEGA32C1ATSTK600 - DEV KIT FOR AVR/AVR32ATAVRDRAGON - KIT DRAGON 32KB FLASH MEM AVRATSTK500 - PROGRAMMER AVR STARTER KIT
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

8155C–AVR–02/11
Table 27-3.
Figure 27-6. SPI Interface Timing Requirements (Master Mode)
Figure 27-7. SPI Interface Timing Requirements (Slave Mode)
13
14
15
16
17
18
(Data Output)
(Data Output)
(Data Input)
(Data Input)
(CPOL = 0)
(CPOL = 1)
(CPOL = 0)
(CPOL = 1)
SS high to tri-state
MISO
MOSI
MOSI
MISO
SCK
SCK
SCK
SCK
SCK to SS high
SS low to SCK
SS
SS
SPI Timing Parameters
Description
SCK to out
Setup
Hold
9
18
13
6
4
MSB
MSB
5
MSB
MSB
14
15
Mode
Slave
Slave
Slave
Slave
Slave
Salve
7
...
2 • t
...
...
...
Min
10
20
t
ck
ck
11
2
Typ
LSB
15
10
10
1
LSB
LSB
LSB
ATmega32A
11
2
12
3
16
8
Max
X
17
ns
303