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90E32A_14 Datasheet, PDF (26/71 Pages) ATMEL Corporation – Poly-Phase High-Performance | |||
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90E32A
4
SPI INTERFACE
4.1 INTERFACE DESCRIPTION
Four pins are associated with the interface as below:
POLY-PHASE HIGH-PERFORMANCE WIDE-SPAN ENERGY METERING IC
⢠SDI â Data pin, input.
⢠SDO â Data pin, output.
⢠SCLK â Clock input pin.
⢠CS â Chip select pin Input.
SPI Interface logic
(As slave)
SDI
SDO
SCLK
CS
MOSI
MISO
SCK
CS
Host controller in
master mode
MOSI
MISO
SCK
GPIO1
Figure-11 Slave Mode
SPI Interface
26
April 2, 2013
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