Maxim Integrated MAX32665 - Table 8-6. SPIXF Controller Slave Select Polarity Register

MAX32665-MAX32668 User Guide
Maxim Integrated Page 152 of 457
SPIXF Controller Configuration Register
SPIXFC_CFG
[0x0000]
Bits
Name
Access
Reset
Description
15:12
loclk
R/W
0
SCK Low Clocks
Number of system clocks that SCK is held low when SCK pulses are generated
0: 16 system clocks
1: 1 system clock
2: 2 system clocks
3: 3 system clocks
All other values: This value defines the number of system clock that SCK is
held low.
11:8
hiclk
R/W
0
SCK High Clocks
Number of system clocks that SCK is held high when SCK pulses are generated.
00: 16 system clocks.
All other values: This value defines the number of system clock that SCK is held
high.
7:6
pgsz
R/W
0
Page Size
Defines the number of bytes per page for transactions that define transfers in
terms of pages.
00: 4 bytes
01: 8 bytes
10: 16 bytes
11: 32 bytes
5:4
mode
R/W
0
SPI Mode.
Defines the SPI mode.
00: SPI Mode 0. Clock Polarity = 0, Clock Phase = 0
01: Invalid
10: Invalid
11: SPI Mode 3. Clock Polarity = 1, Clock Phase = 1
3
-
R/W
0
Reserved for Future Use
Do not modify this field.
2:0
ssel
R/W
0
Slave Select.
Only Slave 0 is supported
0b000: Slave 0 is selected
0b001-0b111: Invalid
Table 8-6. SPIXF Controller Slave Select Polarity Register
SPIXF Controller Slave Select Polarity Register
SPIXFC_SS_POL
[0x0004]
Bits
Name
Access
Reset
Description
31:1
-
R/W
0
Reserved for Future Use
Do not modify this field.
0
sspol_0
R/W
0
Slave Select 0 Polarity
0: Active Low
1: Active High