Current Monitoring (X3); U2 Serial Eeprom - Atmel REB233-XPRO User Manual

Pin Name
13 USART_RX
14 USART_TX
15 SPI_SS_A
16 SPI_MOSI
17 SPI_MISO
18 SPI_SCK
19 GND
20 VCC
4.2.2

Current Monitoring (X3)

X3 enables current monitoring using an external multimeter.
Connect multimeter between X3-1 and X3-2 to measure the current used by the AT86RF233.
Warning When not monitoring current the strap need to be inserted in order to provide power to the board.
Figure 4-2. X3 Current Monitor
Table 4-2. X3 Current Measurement
X3 Pin
1 - Vdd
2 - V_TRX
4.3

U2 Serial EEPROM

The REB233 contains a serial EEPROM, AT24MAC602, with factory programmed MAC addresses available
via the I2C interface of J100.
The memory organisation is as documented in
from EEPROM address 0x00, device address '1010'
RF233
Pin Name
23 SEL
22 MOSI
20 MISO
19 SCLK
Function
3.3V pin on the J100 via L1.
3.3V pin on the AT86RF233.
"Persistence Memory" on page 13
Description
Slave select for SPI. Should be unique if
possible.
Master out slave in line of Serial peripheral
interface. Always implemented, bus type.
Master in slave out line of Serial peripheral
interface. Always implemented, bus type.
Clock for Serial peripheral interface. Always
implemented, bus type.
Ground.
Power for extension board.
. The structure is located
REB233-XPRO User Guide [USER GUIDE] 12
42188A-MCU-11/2013