Atmel Evaluation Kit AT91SAM9X25-EK AT91SAM9X25-EK 数据表
![Atmel](https://files.manualsbrain.com/attachments/0369829915bda09f9c2e00fb805a7753579683b5/common/fit/150/50/8d2bf08978ec3e5bc63f4343ac5e91ce8d0e40045619fa520d910d64af8f/brand_logo.png)
产品代码
AT91SAM9X25-EK
791
SAM9X25 [DATASHEET]
11054E–ATARM–10-Mar-2014
39.3 Block Diagram
Figure 39-1. USART Block Diagram
Table 39-1. SPI Operating Mode
PIN
USART
SPI Slave
SPI Master
RXD
RXD
MOSI
MISO
TXD
TXD
MISO
MOSI
RTS
RTS
–
CS
CTS
CTS
CS
–
(Peripheral) DMA
Controller
Channel
Channel
Interrupt
Controller
Controller
Receiver
USART
Interrupt
RXD
TXD
SCK
USART
PIO
Controller
CTS
RTS
Transmitter
Baud Rate
Generator
User Interface
PMC
MCK
SLCK
DIV
MCK/DIV
APB