ATMEGA324P-15MZ Atmel, ATMEGA324P-15MZ Datasheet - Page 161
![MCU AVR 32K FLASH 15MHZ 44-QFN](/photos/12/13/121316/313-44-qfn_sml.jpg)
ATMEGA324P-15MZ
Manufacturer Part Number
ATMEGA324P-15MZ
Description
MCU AVR 32K FLASH 15MHZ 44-QFN
Manufacturer
Atmel
Series
AVR® ATmegar
Specifications of ATMEGA324P-15MZ
Core Processor
AVR
Core Size
8-Bit
Speed
16MHz
Connectivity
I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
32
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)
2.7 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 125°C
Package / Case
44-VQFN
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
- Current page: 161 of 377
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16. SPI – Serial Peripheral Interface
16.1
16.2
7674F–AVR–09/09
Features
Overview
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•
•
•
•
•
•
•
The Serial Peripheral Interface (SPI) allows high-speed synchronous data transfer between the
ATmega164P/324P/644P and peripheral devices or between several AVR devices.
USART can also be used in Master SPI mode, see “USART in SPI Mode” on page 199.
The Power Reduction SPI bit, PRSPI, in
50 must be written to zero to enable SPI module.
Figure 16-1. SPI Block Diagram
Note:
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
1. Refer to
/2/4/8/16/32/64/128
DIVIDER
Figure 1-1 on page
(1)
2, and
“PRR – Power Reduction Register” on page 47
Table 12-6 on page 81
ATmega164P/324P/644P
for SPI pin placement.
on page
161
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