ATTINY48-MUR Atmel, ATTINY48-MUR Datasheet - Page 123
![no-image](/images/manufacturer_photos/0/0/78/atmel_sml.jpg)
ATTINY48-MUR
Manufacturer Part Number
ATTINY48-MUR
Description
MCU AVR 4KB FLASH 12MHZ 32QFN
Manufacturer
Atmel
Series
AVR® ATtinyr
Datasheet
1.ATTINY48-MU.pdf
(302 pages)
Specifications of ATTINY48-MUR
Core Processor
AVR
Core Size
8-Bit
Speed
12MHz
Connectivity
I²C, SPI
Peripherals
Brown-out Detect/Reset, POR, WDT
Number Of I /o
28
Program Memory Size
4KB (2K x 16)
Program Memory Type
FLASH
Eeprom Size
64 x 8
Ram Size
256 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
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
ATTINY48-MUR
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
- Current page: 123 of 302
- Download datasheet (9Mb)
8008G–AVR–04/11
Note:
The following code examples show how to initialize the SPI as a Slave and how to perform a
simple reception.
Note:
C Code Example
Assembly Code Example
void SPI_MasterInit(void)
{
}
void SPI_MasterTransmit(char cData)
{
}
SPI_SlaveInit:
SPI_SlaveReceive:
/* Set MOSI and SCK output, all others input */
DDR_SPI = (1<<DD_MOSI)|(1<<DD_SCK);
/* Enable SPI, Master, set clock rate fck/16 */
SPCR = (1<<SPE)|(1<<MSTR)|(1<<SPR0);
/* Start transmission */
SPDR = cData;
/* Wait for transmission complete */
while(!(SPSR & (1<<SPIF)))
; Set MISO output, all others input
ldi
out
; Enable SPI
ldi
out
ret
; Wait for reception complete
sbis SPSR,SPIF
rjmp SPI_SlaveReceive
; Read received data and return
in
ret
1.
1.
;
See ”About Code Examples” on page 7.
See ”About Code Examples” on page 7.
r17,(1<<DD_MISO)
DDR_SPI,r17
r17,(1<<SPE)
SPCR,r17
r16,SPDR
(1)
(1)
ATtiny48/88
123
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