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Page 26 of 92
RZ/G1H Qseven SOM Hardware User Guide
iWave Systems Technologies Pvt. Ltd.
2.6.17
Manufacturing/Debug UART Interface
As per Qseven Specification, manufacturing signals on Qseven Edge connector can be assigned by vendor and it can
be connected to interfaces like UART or JTAG. RZ/G1H Qseven SOM supports Debug UART interface on these pins in
Qseven Edge connector. RZ/G1H
CPU’s
SCIFA2 is used for Debug UART interface. As per Qseven Specification, to select
UART as debug interface, MFG_NC4 pin should be made low in carrier board even though it is not mandatory for
RZ/G1H Qseven SOM.
For more details, refer Qseven Edge connector pins 204,208 & 209 on
Note: Optionally JTAG interface can be supported instead of Debug UART interface on Qseven Edge connector in
RZ/G1H Qseven SOM. Please contact iWave for more details.
2.6.18
Power Input
The RZ/G1H Qseven SOM works with single 5V power input (VCC) from Qseven Edge connector and generates all other
required powers internally On-SOM itself. RZ/G1H Qseven SOM also uses VCC_RTC coin cell power input from Qseven
Edge connector to
RTC controller for real time clock (when VCC is off). RZ/G1H Qseven SOM
doesn’t use Standby power
supply from Qseven Edge connector.
For more details, refer Qseven Edge connector pins 193, 211 to 230 on
Note: The RZ/G1H Qseven SOM can also be powered by On-SOM Power IN connector for SOM stand-alone usage. For
more details, refer section
2.6.19
Power Control Signal
The RZ/G1H Qseven SOM supports a power control signal PWGIN on Qseven Edge connector. PWGIN input from
Qseven Edge connector is the active high signal which is used to enable the power of RZ/G1H Qseven SOM. For more
details on PWRGIN signal usage, refer section
For more details, refer Qseven Edge connector pin 26 on
2.6.20
Reset Signal
The RZ/G1H Qseven SOM supports RSTBTN# input from Qseven Edge connector. This RSTBTN# input is the active low
input signal and can be used to reset RZ/G1H CPU by connecting push button in the carrier board.
For more details, refer Qseven Edge connector pin 28 on
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