Atmel Xplained Pro Evaluation Kit ATSAM4E-XPRO ATSAM4E-XPRO Fiche De Données
Codes de produits
ATSAM4E-XPRO
SAM4E [DATASHEET]
Atmel-11157D-ATARM-SAM4E16-SAM4E8-Datasheet_12-Jun-14
1460
Figure 47-24. SMC Timings - NRD Controlled Read and NWE Controlled Write
47.11.6 USART in SPI Mode Timings
Timings are given in the following domains:
1.8V domain: V
VDDIO
from 1.65V to 1.95V, maximum external capacitor = 20 pF
3.3V domain: V
VDDIO
from 2.85V to 3.6V, maximum external capacitor = 40 pF
.
Figure 47-25. USART SPI Master Mode
NRD
NCS
DATA
NWE
A0-A23
NRD Controlled READ
with NO HOLD
NWE Controlled WRITE
with NO HOLD
NRD Controlled READ
with HOLD
NWE Controlled WRITE
with HOLD
SMC1
SMC2
SMC15
SMC21
SMC3
SMC4
SMC15
SMC19
SMC20
SMC7
SMC21
SMC16
SMC7
SMC16
SMC19
SMC21
SMC17
SMC18
SMC5
SMC5
SMC6
SMC6
SMC17
SMC18
NSS
SPI
0
MSB
LSB
SPI
1
CPOL=1
CPOL=0
MISO
MOSI
SCK
SPI
5
SPI
2
SPI
3
SPI
4
SPI
4
• 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 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