ATAVRSB202 Atmel, ATAVRSB202 Datasheet - Page 98
ATAVRSB202
Manufacturer Part Number
ATAVRSB202
Description
KIT BATT MGMT FOR ATMEGA32HVB
Manufacturer
Atmel
Specifications of ATAVRSB202
Main Purpose
*
Embedded
*
Utilized Ic / Part
*
Primary Attributes
*
Secondary Attributes
*
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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18. SPI – Serial Peripheral Interface
18.1
18.2
8042B–AVR–06/10
Features
Overview
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The Serial Peripheral Interface (SPI) allows high-speed synchronous data transfer between the
ATmega16HVB/32HVB and peripheral devices or between several AVR devices.
When the SPI is not used, power consumption can be minimized by writing the PRSPI bit in
PRR0 to one. See
the PRSPI bit.
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
”Alternate Port Functions” on page 72
”PRR0 – Power Reduction Register 0” on page 40
(1)
ATmega16HVB/32HVB
for SPI pin placement.
for details on how to use
98
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