Chip Erase Header; Current Measurement Header; Other Headers - Atmel SAM4E Xplained Pro User Manual

Pin on EXT4
39 [SPI MISO]
40 [SPI SS]
41 [DISP ENABLE] PE3
42 [TWI SDA]
43 [TWI SCL]
44 [IRQ1]
45 [IRQ2]
46 [PWM]
47 [RESET]
48 [VCC]
49 [VCC]
50 [GND]
4.1.3.

Chip Erase Header

There is a 1x2 pin-header that is connected to the SAM4E chip erase pin (PB12) and 3V3 marked
ERASE as shown in
can be used to chip erase the SAM4E by placing a jumper on the header and toggle the power to the
board. After the power is toggled the jumper should be removed. Using the chip erase jumper is the only
way to erase a chip with the security bit set, an application that immediately sets invalid clock options or
goes into deep sleep without any wake-up sources.
4.1.4.

Current Measurement Header

An angled 1x2, 100mil pin-header marked with MCU current measurement is located at the upper edge of
the SAM4E Xplained Pro. All power to the ATSAM4E16E is routed through this header. To measure the
power consumption of the device remove the jumper and replace it with an ammeter.
Caution: Removing the jumper from the pin-header while the kit is powered may cause the
ATSAM4E16E to be powered through its I/O pins. This may cause permanent damage to the
device.
4.1.5.

Other Headers

In addition to the Xplained Pro standard connectors, SAM4E Xplained Pro has one header with spare
signals that offers access to the I/O of the microcontroller which are otherwise not easily available
elsewhere or might be favourable to have collected toghether. The headers has a pitch of 2.54mm.
Table 4-5 EBI Spare Signal Header
Pin on header
1
2
SAM4E pin Function
- -
- -
GPIO
PA3 TWD0
PA4 TWCK0
PE4 IRQ1
PE4 IRQ2
PD27 PWML3
PE0 GPIO
- VCC_P3V3
- VCC_P3V3
- GND
Figure 1-1 SAM4E Xplained Pro Evaluation Kit Overview
SAM4E pin Function
PC0 Data line 0
PC1 Data line 1
Shared functionality
EDBG DGI and EBI spare header
EXT1, EXT2, EXT3, and EDBG
EXT1, EXT2, EXT3, and EDBG
IRQ2 and EDBG DGI
IRQ1 and EDBG DGI
EDBG DGI
on page 5. This header
Shared functionality
SRAM, NAND, and LCD connector
SRAM, NAND, and LCD connector
Atmel SAM4E Xplained Pro [USER GUIDE]
Atmel-42216B-SAM4E-Xplained-Pro_User Guide-09/2015
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