SN32F280 Series
32-Bit Cortex-M0 Micro-Controller
SONiX TECHNOLOGY CO., LTD
Page 156
Version 1.1
13.4.2 COMMUNICATION FLOW
13.4.2.1 SINGLE-FRAME
CS
CPOL=0
CPHA=1
CPOL=1
CPHA=0
CPOL=1
CPHA=1
CPOL=0
CPHA=0
DATA
MSB
MSB
LSB
DATA
LSB
MSB
LSB
1
2
3
4
5
6
7
8
SPI
13.4.2.2 MULTI-FRAME
CS
DATA
F0
msb
F0
F0
F0
lsb
F1
msb
F1
F1
F1
lsb
SCK
SCK
SCK
SCK
CPOL=0
CPHA=1
CPOL=1
CPHA=0
CPOL=1
CPHA=1
CPOL=0
CPHA=0
SPI
13.5 AUTO-SEL
The Auto-SEL function is disabled (SELDIS = 1) by default, HW does NOT control SELn pin at all, and SELn pin is GPIO.
If Auto-SEL function is enabled (SELDIS = 0), SPI HW controls the SELn activity, and SELn is assigned by
register.
Содержание SN32F280 Series
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