ATMEGA3250PV-10AUR Atmel, ATMEGA3250PV-10AUR Datasheet - Page 160

• Manufacturer Part Number: ATMEGA3250PV-10AUR
• Description: MCU AVR 32K FLASH 10MHZ 100TQFP
• Manufacturer: Atmel
• Series: AVR® ATmegar

Specifications of ATMEGA3250PV-10AUR

• Core Processor: AVR
• Core Size: 8-Bit
• Speed: 10MHz
• 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): 1.8 V ~ 5.5 V
• Data Converters: A/D 8x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: *
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

17.5
17.5.1
8023F–AVR–07/09
Register Description
SPCR – SPI Control Register
Figure 17-3. SPI Transfer Format with CPHA = 0
Figure 17-4. SPI Transfer Format with CPHA = 1
• Bit 7 – SPIE: SPI Interrupt Enable
This bit causes the SPI interrupt to be executed if SPIF bit in the SPSR Register is set and the if
the Global Interrupt Enable bit in SREG is set.
Bit
0x2C (0x4C)
Read/Write
Initial Value
SCK (CPOL = 0)
mode 0
SCK (CPOL = 1)
mode 2
SAMPLE I
MOSI/MISO
CHANGE 0
MOSI PIN
CHANGE 0
MISO PIN
SCK (CPOL = 0)
mode 1
SCK (CPOL = 1)
mode 3
SAMPLE I
MOSI/MISO
CHANGE 0
MOSI PIN
CHANGE 0
MISO PIN
SS
SS
MSB first (DORD = 0)
LSB first (DORD = 1)
MSB first (DORD = 0)
LSB first (DORD = 1)
SPIE
R/W
7
0
SPE
R/W
6
0
MSB
LSB
MSB
LSB
DORD
R/W
Bit 6
Bit 1
5
0
Bit 6
Bit 1
Bit 5
Bit 2
MSTR
R/W
4
0
Bit 5
Bit 2
Bit 4
Bit 3
CPOL
R/W
Bit 4
Bit 3
3
0
Bit 3
Bit 4
ATmega325P/3250P
Bit 3
Bit 4
CPHA
R/W
2
0
Bit 2
Bit 5
Bit 2
Bit 5
SPR1
R/W
Bit 1
Bit 6
1
0
Bit 1
Bit 6
LSB
MSB
SPR0
R/W
0
0
LSB
MSB
SPCR
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