RSK+RZA1H
6. Configuration
R20UT3007EG0200 Rev. 2.00
Page 40 of 53
May 17, 2015
6.4
Jumper Link Configuration
Table 6.19 describes the jumper link option configurations available on the RSK+RZA1H board.
JP1
Enable SIM card 2 way communication (or TX only)
Link
Open
2 way communication enabled
TXD and RXD connected to SIM
TXD to SIM only
JP3
Write protect NAND FLASH IC27
Jumper Position
Link 1-2
Link 2-3 (R233 Not Fitted)**
NAND FLASH IC27 not write protected
NAND FLASH IC27 write protected
** Do NOT short pins 2 and 3 of JP3 when R233 is fitted (which is default configuration)
JP4
MCU Core Current Measurement
Remove R24 and short JP4 with meter to measure MCU core current.
JP5
Disable Ethernet MAC EEPROM write protection IC11
Link
open
EEPROM IC11 write unprotected
EEPROM IC11 write protected
JP6
MCU Port Pins Current Measurement
Remove R26 and short JP6 with meter to measure MCU port pin current.
JP11
USB VBUS power select
Link 1-2
Link 2-3
BOARD_5V
VBUS
JP12
USB VBUS1 power select
Link 1-2
Link 2-3
BOARD_5V
Power from connector, CN9 pin1 (VBUS1)
JP18
NOR Flash Chip Enable
Link
Open
NOR Flash active on CS0
NOR Flash inactive
JP21
Defining Function of BSCANP pin on RZ/A1H MCU
MCU
Jumper Position
Port
Pin
linked
open
BSCANP
AA22
Normal Operation
(Pin held low)
Boundary Scan
(Pin pulled up to BOARD_VCC via R264 22K resistor)
PWR_SEL
Select Input power voltage setting
Link 1-2
Link 2-3**
12V
5V
** Do NOT connect a 12V input source to the RSK+ when PWR_SEL jumper is set to link pins 2-3
Table 6.19: Jumper Option descriptions
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