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JTAGENB set carrier board CPLD into the chain for firmware update. For Update set DIP S4-3 to ON.

Power

Enable

Reset

Boot Mode

S4-1	S4-2
ON	ON	Default, boot from SD/eMMC or SPI Flash if no SD is detected
OFF	ON	Boot mode PJTAG0
ON	OFF	Boot from eMMC
OFF	OFF	Boot mode main JTAG

RGPIO

RGPIO Pin to FPGA	Value


0	SW1
1	SW2
2	RST_BTN
3	PWR_BTN
4	SD_CD_S
5	SD_CD_B
6	F1SENSE
7	PWROK
8	XMOD_BTN
9-19	unused
20	PLL_LOL
21-23	unused
24-27	reserved
28-31	Interface detection

RGPIO Pin from FPGA	Value
0	PLL_RSTn
1	SRSTn
2	MRESETn
3	PERSTn
4	PROG_B
5	LED2
6	LED3
7	LED_N
8	LED_P
9	HDLED_N
10	HDLED_P
11	FMC_FAN_EN
12-23	unused
24-27	reserved
28-31	Interface detection

LED

Appx. A: Change History and Legal Notices

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