Page History

...

Clock	Frequency	IC	FPGA	Notes
PS CLK	33.3333 MHz	U61	PS_CLK	PS Subsystem main clock
10/100/1000 Mbps ETH PHYs reference	25 MHz	U11	-
USB PHY reference	52 MHz	U7	-

Processing System (PS) Peripherals

PLL reference	25 MHz	U3	-
GT REFCLK1	-	B2B	AC7/AC8	Externally supplied from base
GT REFCLK4	-	B2B	U7/U8	Externally supplied from base
quad programmable clock (I2C) SI5338A	user	U2	-	GT REFCLK0 GT REFCLK3 GT REFCLK5 GT REFCLK6

Peripheral	IC	Designator	PS	MIO	Notes
QSPI Flash	S25FL256SAGBHI20	U38	QSPI0	MIO1.
Peripheral	IC	Designator	PS	MIO	Notes
				-
				-
				-
				-
				-
SPI Flash	S25FL256SAGBHI20	U13	QSPI0	MIO1..MIO6
Ethernet0 10/100/1000 Mbps PHY	88E1512-A0-NNP2I000	U3U18	ETH0; GPIO BANK35	MIO16...MIO27, MIO52, MIO53
Ethernet0 10/100/1000 Mbps PHY Reset			GPIO	MIO51		MIO7	ETH1_RESET33 -> CPLD -> ETH1_RESET
Ethernet1 10/100/1000 Mbps PHY	88E1512-A0-NNP2I000	U20	GPIO BANK9, BANK35	-
Ethernet1 10/100/1000 Mbps PHY Reset			GPIO BANK35, Pin B15	-
USB0USB	USB3320C-EZK	U11U4	USB0	MIO28...MIO39
USB Reset			GPIO	MIO49
USB0 Reset			GPIO	MIO0	OTG_RESET33 -> CPLD -> OTG_RESET
USB1	USB3320C-EZK	U8	USB1	MIO40...MIO51
USB1 Reset			GPIO	MIO0	OTG_RESET33 -> CPLD -> OTG_RESET
e-MMC (embedded e-MMC)	MTFC4GMVEA-4M IT	U15	SDIO0	MIO10...MIO15
EEPROM I2C	24LC128-I/ST	U26	GPIO BANK35, Pin L14/L15	-	??
EEPROM I2C	24AA025E48T-I/OT	U22	GPIO BANK35, Pin L14/L15	-	MAC Address
EEPROM I2C	24AA025E48T-I/OT	U24	GPIO BANK35, Pin L14/L15	-	MAC Address
RTC	ISL12020MIRZ	U17	GPIO BANK35, Pin L14/L15	-	Temperature compensated real time clock
RTC Interrupt	ISL12020MIRZ	U17	-	-	RTC_INT -> CPLD	e-MMC (embedded e-MMC)	MTFC4GMVEA-4M IT	U5	SDIO0	MIO40...MIO45

MIO	Configured as	B2B	Notes
0	GPIO	J2-87	B2B
1	QSPI0	-	SPI Flash-CS
2	QSPI0	-	SPI Flash-DQ0
3	QSPI0	-	SPI Flash-DQ1
4	QSPI0	-	SPI Flash-DQ2
5	QSPI0	-	SPI Flash-DQ3
6	QSPI0	-	SPI Flash-SCK
7	GPIO	-	Red LED D8
8	-	-	QSPI feedback clock
9	GPIO	J2-88	B2B
10	I2C0 SDA	J2-90	B2B
11	I2C0 SCL	J2-92	B2B
12	I2C1 SDA	J2-93	B2B (SDA on-board I2C, also configurable as GPIO by user)
13	I2C1 SCL	J2-95	B2B (SCL on-board I2C, also configurable as GPIO by user)
14	USART0 RX	J2-94	B2B (RX on-board UART, also configurable as GPIO by user)
15	USART0 TX	J2-96	B2B (TX on-board UART, also configurable as GPIO by user)
16..27	ETH0		Ethernet RGMII PHY
28..39	USB0		USB ULPI PHY
40	SDIO0	J2-100
41	SDIO0	J2-102
42	SDIO0	J2-104
43	SDIO0	J2-106
44	SDIO0	J2-108
45	SDIO0	J2-110
46	GPIO	-	RTC Interrupt
47	-	-	-
48	GPIO	SEL_SD	SD Card multiplexer control
49	GPIO	-	USB Reset
50	GPIO	-	ETH0 Interrupt
51	GPIO	-	ETH0 Reset
52	ETH0	-	MDC
53	ETH0	-	MDIO

...

Device	IC	Designator	I2C-Address	Notes
EEPROM	24LC128-I/ST	U26	0x53	??
EEPROM	24AA025E48T-I/OT	U22	0x50	MAC Address
EEPROM	24AA025E48T-I/OT	U24	0x51	MAC Address
RTC	ISL12020MIRZ	U17	0x6F	Temperature compensated real time clock
Battery backed RAM	ISL12020MIRZ	U17	0x57	integrated in RTC
CLOCK GENERATOR	SI5338A-B-GMR	U2	0x70	Quad reference clock for GTX transceiver lanes
CPLD	LCMXO2-1200HC-4TG100I	U14	user ??	-

...