ATMEGA8HVA-4TU Atmel, ATMEGA8HVA-4TU Datasheet - Page 94
ATMEGA8HVA-4TU
Manufacturer Part Number
ATMEGA8HVA-4TU
Description
MCU AVR 8K FLASH 4MHZ 28-TSOP
Manufacturer
Atmel
Series
AVR® ATmegar
Datasheet
1.ATMEGA16HVA-4CKU.pdf
(196 pages)
Specifications of ATMEGA8HVA-4TU
Core Processor
AVR
Core Size
8-Bit
Speed
4MHz
Connectivity
SPI
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
7
Program Memory Size
8KB (4K x 16)
Program Memory Type
FLASH
Eeprom Size
256 x 8
Ram Size
512 x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 9 V
Data Converters
A/D 5x12b
Oscillator Type
External
Operating Temperature
-20°C ~ 85°C
Package / Case
28-TSOP
For Use With
ATSTK600 - DEV KIT FOR AVR/AVR32ATSTK500 - PROGRAMMER AVR STARTER KIT
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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18. SPI – Serial Peripheral Interface
18.1
18.2
94
Features
Overview
ATmega8HVA/16HVA
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The Serial Peripheral Interface (SPI) allows high-speed synchronous data transfer between the
ATmega8HVA/16HVA and peripheral devices or between several AVR devices.
The PRSPI bit in
enable SPI module.
Figure 18-1. 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 Protection Flag
Wake-up from Idle Mode
Double Speed (CK/2) Master SPI Mode
1. Refer to
/2/4/8/16/32/64/128
DIVIDER
”PRR0 – Power Reduction Register 0” on page 39
”Alternate Port Functions” on page 68
(1)
for SPI pin placement.
must be written to zero to
8024A–AVR–04/08
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