ATSAMA5D33-EK Atmel, ATSAMA5D33-EK Datasheet - Page 67

• Manufacturer Part Number: ATSAMA5D33-EK
• Description: Development Boards & Kits - ARM EVAL KIT SAMA5D33 CRYPTO
• Manufacturer: Atmel
• Series: SAMA5D4r

Specifications of ATSAMA5D33-EK

• Product: Evaluation Kits
• Tool Is For Evaluation Of: SAMA5D33
• Core: ARM
• Interface Type: Serial, USB
• Operating Supply Voltage: 5 V
• Data Bus Width: 32 bit
• Description/function: Allows users to extensively evaluate, prototype and create application-specific designs
• Dimensions: 165 mm x 135 mm x 20 mm
• Maximum Operating Temperature: + 60 C
• Minimum Operating Temperature: 0 C
• For Use With: SAMA5D33

6.2.15.2 CS_BOOT Button
Figure 6-19. PushButton
6.2.16
SAMA5D3x-EK User Guide
Analog Reference
The CS_BOOT can be used to prevent the system to boot out of external memories (NandFlash, SPI
flash). The purpose is mainly to execute the SAM-BA part of the ROM code.
2 methods can be used:
The 3V voltage reference is based on a LM4040 (Precision Micropower Shunt Voltage Reference).
This ADVREF level can be set as 3V or 3.3V via the jumper JP14.
NRST
WAKE UP
PB_USER1
CS_BOOT
1. Press the CS_BOOT and power-cycle the board.
2. Press the CS_BOOT and then press the NRST button.
VBAT
PB1
PB1
PB2
PB2
PB3
PB3
R46
R46
0R
0R
R141
R141
100k
100k
PB4
PB4
3V3
R142
R142
1.5k
1.5k
B _ U S E R 1
PUSH BUTTON
CS_BOOT_DISABLE 3
NRST
WAKE UP 3
PE27
3,10,14
3,9,13
11180A–ATARM–30-Jan-13
6-19