ATSAM3X4EA-AU Atmel, ATSAM3X4EA-AU Datasheet - Page 1436

• Manufacturer Part Number: ATSAM3X4EA-AU
• Description: ARM Microcontrollers - MCU QFP144,GREEN, IND TEMP, MRL A
• Manufacturer: Atmel

Specifications of ATSAM3X4EA-AU

• Rohs: yes
• Core: ARM Cortex M3
• Processor Series: SAM3X
• Data Bus Width: 32 bit
• Maximum Clock Frequency: 84 MHz
• Program Memory Size: 256 KB
• Data Ram Size: 64 KB
• On-chip Adc: Yes
• Operating Supply Voltage: 2.4 V to 3.6 V
• Operating Temperature Range: - 40 C to +85 C
• Package / Case: LQFP-144
• Mounting Style: SMD/SMT
• Factory Pack Quantity: 60

46.10.7
1436
SAM3X/A
USART in SPI Mode Timings
Timings are given with the following conditions.
VDDIO = 1.62V and 3V
SCK/MISO/MOSI Load = 30 pF
Figure 46-30. USART SPI Master Mode
Figure 46-31. USART SPI Slave mode (Mode 1 or 2)
MISO
MOSI
NSS
SCK
NSS
CPOL=1
SCK
CPOL=0
MISO
MOSI
SPI
SPI
12
• 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
SPI
4
3
• 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
MSB
SPI
SPI
4
6
SPI
SPI
1
7
SPI
2
SPI
8
SPI
0
LSB
SPI
13
11057B–ATARM–28-May-12
SPI
5