AT90PWM81-16SF Atmel, AT90PWM81-16SF Datasheet - Page 186
AT90PWM81-16SF
Manufacturer Part Number
AT90PWM81-16SF
Description
IC MCU AVR 8K FLASH ISP 20SOIC
Manufacturer
Atmel
Series
AVR® 90PWM Lightingr
Datasheet
1.AT90PWM81-16MN.pdf
(325 pages)
Specifications of AT90PWM81-16SF
Core Processor
AVR
Core Size
8-Bit
Speed
16MHz
Connectivity
SPI
Peripherals
Brown-out Detect/Reset, PWM, WDT
Number Of I /o
16
Program Memory Size
8KB (8K x 8)
Program Memory Type
FLASH
Eeprom Size
512 x 8
Ram Size
256 x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.5 V
Data Converters
A/D 8x10b; D/A 1x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 105°C
Package / Case
20-SOIC (7.5mm Width)
For Use With
ATSTK600-SOIC - STK600 SOCKET/ADAPTER FOR SOIC
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
AT90PWM81-16SF
Manufacturer:
Atmel
Quantity:
2 428
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14.5
14.5.1
186
SPI registers
AT90PWM81
SPI Control Register – SPCR
Figure 14-3.
Figure 14-4.
• 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 6 – SPE: SPI Enable
When the SPE bit is written to one, the SPI is enabled. This bit must be set to enable any SPI operations.
Bit
Read/Write
Initial Value
7
SPIE
R/W
0
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
SPI Transfer Format with CPHA = 0
SS
SPI Transfer Format with CPHA = 1
SS
MSB first (DORD = 0)
LSB first (DORD = 1)
MSB first (DORD = 0)
LSB first (DORD = 1)
6
SPE
R/W
0
MSB
LSB
5
DORD
R/W
0
MSB
LSB
Bit 6
Bit 1
4
MSTR
R/W
0
Bit 6
Bit 1
Bit 5
Bit 2
Bit 5
Bit 2
3
CPOL
R/W
0
Bit 4
Bit 3
Bit 4
Bit 3
CPHA
2
R/W
0
Bit 3
Bit 4
Bit 3
Bit 4
1
SPR1
R/W
0
Bit 2
Bit 5
Bit 2
Bit 5
Bit 1
Bit 6
0
SPR0
R/W
0
Bit 1
Bit 6
7734P–AVR–08/10
LSB
MSB
SPCR
LSB
MSB
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