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Page 62 of 92
RZ/G1H Qseven SOM Hardware User Guide
iWave Systems Technologies Pvt. Ltd.
2.9.2
SPI Programming Header
To program the boot code in to the SPI flash (for the first time or if boot code is corrupted),
use iWave’s
RZ/G1H SPI
Programmer Board through 6pin SPI Flash Programming Header (J4) (or) JTAG debugger through JTAG Header (J3).
Optionally the external SPI programmer can be used for programming the SPI flash through SPI Flash Programming
Header (J4). The 6pin SPI Flash Programming Header is physically located on top side of the SOM as shown below.
Number of Pins
- 6
Connector Part Number - TMM-103-01-L-D
Mating Connector
- M22-6340342 from Harwin Inc.
Important Note: Never connect the external SPI programmer to RZ/G1H Qseven SOM, when SOM power is ON.
Figure 7: SPI Programming Header
Table 10: SPI Programming Header Pin Assignment
Pin
No.
Signal Name
Signal Type/
Termination
Description
1
SPI_MISO
I, 3.3V CMOS
SPI Serial Data Input.
2
SPI_CS
O, 3.3V CMOS/
10K PU
SPI Chip Select.
3
SPI_MOSI
O, 3.3V CMOS
SPI Serial Data Output.
4
GND
Power
Ground
5
VCC_3V3
O, 3.3V Power
3.3V Power Supply.
6
SPI_SCK
O, 3.3V CMOS
SPI Serial clock.
Note: Please
refer
more details about RZ/G1H SPI Programmer Board.
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