ATMEGA48-20MMH Atmel, ATMEGA48-20MMH Datasheet - Page 160
![MCU AVR 4KB FLASH 20MHZ 28QFN](/photos/12/32/123209/28m1-vqfn_sml.jpg)
ATMEGA48-20MMH
Manufacturer Part Number
ATMEGA48-20MMH
Description
MCU AVR 4KB FLASH 20MHZ 28QFN
Manufacturer
Atmel
Series
AVR® ATmegar
Specifications of ATMEGA48-20MMH
Core Processor
AVR
Core Size
8-Bit
Speed
20MHz
Connectivity
I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
23
Program Memory Size
4KB (2K x 16)
Program Memory Type
FLASH
Eeprom Size
256 x 8
Ram Size
512 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
28-VQFN Exposed Pad, 28-HVQFN, 28-SQFN, 28-DHVQFN
Processor Series
ATMEGA48x
Core
AVR8
3rd Party Development Tools
EWAVR, EWAVR-BL
Development Tools By Supplier
ATAVRDRAGON, ATSTK500, ATSTK600, ATAVRISP2, ATAVRONEKIT
Data Bus Width
8 bit
Maximum Clock Frequency
16 MHz
Operating Supply Voltage
2.7 V to 5.5 V
Supply Voltage (max)
5.5 V
Supply Voltage (min)
2.7 V
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
- Current page: 160 of 378
- Download datasheet (8Mb)
18. SPI – Serial Peripheral Interface
18.1
18.2
160
Features
Overview
ATmega48/88/168
•
•
•
•
•
•
•
•
The Serial Peripheral Interface (SPI) allows high-speed synchronous data transfer between the
ATmega48/88/168 and peripheral devices or between several AVR devices.
The USART can also be used in Master SPI mode, see “USART in SPI Mode” on page 198. The
PRSPI bit in
module.
Full-duplex, Three-wire Synchronous Data Transfer
Master or Slave Operation
LSB First or MSB First Data Transfer
Seven Programmable Bit Rates
End of Transmission Interrupt Flag
Write Collision Flag Protection
Wake-up from Idle Mode
Double Speed (CK/2) Master SPI Mode
“Minimizing Power Consumption” on page 40
must be written to zero to enable SPI
2545S–AVR–07/10
Related parts for ATMEGA48-20MMH
Image
Part Number
Description
Manufacturer
Datasheet
Request
R
![ATMEGA48-20AI](/photos/6/91/69154/313-32-tqfp_tmb.jpg)
Part Number:
Description:
IC AVR MCU 4K 5V 20MHZ 32-TQFP
Manufacturer:
Atmel
Datasheet:
![ATmega48](/images/manufacturer_photos/0/0/79/atmel_corporation_tmb.jpg)
Part Number:
Description:
Manufacturer:
Atmel Corporation
Datasheet:
![ATmega48 Automotive](/images/manufacturer_photos/0/0/79/atmel_corporation_tmb.jpg)
Part Number:
Description:
Manufacturer:
Atmel Corporation
Datasheet:
![ATMEGA48-20AU](/photos/6/91/69154/313-32-tqfp_tmb.jpg)
Part Number:
Description:
IC AVR MCU 4K 20MHZ 5V 32TQFP
Manufacturer:
Atmel
Datasheet:
![ATMEGA48-20PU](/photos/7/21/72189/453-28-dip_tmb.jpg)
Part Number:
Description:
IC AVR MCU 4K 20MHZ 5V 28DIP
Manufacturer:
Atmel
Datasheet:
![ATMEGA48-20MU](/photos/12/32/123213/atmega48-20mu_tmb.jpg)
Part Number:
Description:
IC AVR MCU 4K 20MHZ 5V 32-QFN
Manufacturer:
Atmel
Datasheet:
![ATMEGA48-20AJ](/photos/6/91/69154/313-32-tqfp_tmb.jpg)
Part Number:
Description:
IC AVR MCU 4K 5V 20MHZ 32-TQFP
Manufacturer:
Atmel
Datasheet:
![ATMEGA48-20MI](/images/manufacturer_photos/0/0/78/atmel_tmb.jpg)
Part Number:
Description:
IC AVR MCU 4K 5V 20MHZ 32-QFN
Manufacturer:
Atmel
Datasheet:
![ATMEGA48-20MJ](/images/manufacturer_photos/0/0/78/atmel_tmb.jpg)
Part Number:
Description:
IC AVR MCU 4K 5V 20MHZ 32-QFN
Manufacturer:
Atmel
Datasheet:
![ATMEGA48-20PI](/photos/7/21/72189/453-28-dip_tmb.jpg)
Part Number:
Description:
IC AVR MCU 4K 5V 20MHZ 28-DIP
Manufacturer:
Atmel
Datasheet:
![ATMEGA48-20PJ](/photos/7/21/72189/453-28-dip_tmb.jpg)
Part Number:
Description:
IC AVR MCU 4K 5V 20MHZ 28-DIP
Manufacturer:
Atmel
Datasheet:
![ATMEGA48-20MMU](/photos/12/13/121311/atmega48-20mmu_tmb.jpg)
Part Number:
Description:
IC AVR MCU 4K FLASH 20MHZ 28QFN
Manufacturer:
Atmel
Datasheet: