AT90S8515-8JC Atmel, AT90S8515-8JC Datasheet - Page 51

• Manufacturer Part Number: AT90S8515-8JC
• Description: IC MCU 8K FLSH 8MHZ 44PLCC
• Manufacturer: Atmel
• Series: AVR® 90Sr

Specifications of AT90S8515-8JC

• Core Processor: AVR
• Core Size: 8-Bit
• Speed: 8MHz
• Connectivity: SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 32
• Program Memory Size: 8KB (4K x 16)
• Program Memory Type: FLASH
• Eeprom Size: 512 x 8
• Ram Size: 512 x 8
• Voltage - Supply (vcc/vdd): 4 V ~ 6 V
• Oscillator Type: Internal
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 44-PLCC
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Data Converters: -

SPI Data Register – SPDR
0841G–09/01
The SPI Data Register is a read/write register used for data transfer between the regis-
ter file and the SPI Shift Register. Writing to the register initiates data transmission.
Reading the register causes the Shift Register Receive buffer to be read.
Bit
$0F ($2F)
Read/Write
Initial Value
MSB
R/W
7
x
R/W
6
x
R/W
5
x
R/W
4
x
R/W
3
x
R/W
2
x
R/W
1
x
AT90S8515
LSB
R/W
0
x
Undefined
SPDR
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