AT91RM3400-AI-001 ATMEL [ATMEL Corporation], AT91RM3400-AI-001 Datasheet - Page 241
AT91RM3400-AI-001
Manufacturer Part Number
AT91RM3400-AI-001
Description
Manufacturer
ATMEL [ATMEL Corporation]
Datasheet
1.AT91RM3400-AI-001.pdf
(461 pages)
- Current page: 241 of 461
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SPI Control Register
Name:
Access Type:
• SPIEN: SPI Enable
0 = No effect.
1 = Enables the SPI to transfer and receive data.
• SPIDIS: SPI Disable
0 = No effect.
1 = Disables the SPI.
All pins are set in input mode and no data is received or transmitted.
If a transfer is in progress, the transfer is finished before the SPI is disabled.
If both SPIEN and SPIDIS are equal to one when the control register is written, the SPI is disabled
• SWRST: SPI Software Reset
0 = No effect.
1 = Reset the SPI.
A software-triggered hardware reset of the SPI interface is performed.
1790A–ATARM–11/03
SWRST
31
23
15
–
–
–
7
SPI_CR
Write-only
30
22
14
–
–
–
6
–
29
21
13
–
–
–
5
–
28
20
12
–
–
–
–
4
27
19
11
–
–
–
–
3
26
18
10
–
–
–
2
–
SPIDIS
AT91RM3400
25
17
–
–
9
–
1
SPIEN
24
16
–
–
–
8
0
241
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