SAM3N0C Atmel Corporation, SAM3N0C Datasheet - Page 723

• Manufacturer Part Number: SAM3N0C
• Manufacturer: Atmel Corporation

35.8.4
11011A–ATARM–04-Oct-10
USART in SPI Mode Timings
Timings are given with the following conditions.
VDDIO = 1.62V and 3V
SCK/MISO/MOSI Load = 30 pF
Figure 35-16. USART SPI Master Mode
Figure 35-17. USART SPI Slave mode: (Mode 1 or 2)
• the MOSI line is driven by the output pin TXD
• the MISO line drives the input pin RXD
• the SCK line is driven by the output pin SCK
• the NSS line is driven by the output pin RTS
• the MOSI line drives the input pin RXD
• the MISO line is driven by the output pin TXD
• the SCK line drives the input pin SCK
• the NSS line drives the input pin CTS
MISO
MOSI
NSS
SCK
NSS
CPOL=1
SCK
CPOL=0
MISO
MOSI
SPI
SPI
SPI
12
4
3
MSB
SPI
SPI
4
6
SPI
1
SPI
SPI
7
2
SPI
8
SPI
0
LSB
SPI
13
SPI
SAM3N
5
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