Eeprom; Micro Sd Card - Arrow BeMicro CV A9 Hardware Reference Manual

V13
AB12
M21
M20
N21
N20
AB6
AB5
AA7
AB7
Note 1: I/O voltage for this interface is selectable using the VCCIO_SEL jumper

EEPROM

The BeMicro CV A9 board includes a 1-Kb EEPROM device. This device has a 2-wire I2C serial
interface bus.
FPGA Pin Numbers
P16
P17
Note 1: I/O voltage for this interface is selectable using the VCCIO_SEL jumper

Micro SD Card

The BeMicro CV A9 board includes a Micro SD card slot with x4 data interface to the FPGA.
Table 2–10
FPGA Pin Numbers
M22
W9
U6
V6
U7
U8
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ENET_MDC
ENET_MDIO
ENET_TXD0
ENET_TXD1
ENET_TXD2
ENET_TXD3
ENET_RXD0
ENET_RXD1
ENET_RXD2
ENET_RXD3
Table 2–9 lists the EEPROM pin assignments, signal names and functions.
Table 2-9:
Schematic Signal Name
EEPROM_SDA
EEPROM_SCL
lists the FPGA pin assignments, signal names, and functions for the Micro SD card.
Table 2-10:
Schematic Signal Name
SDCLK
SDCMD
SDD0
SDD1
SDD2
SDD3
1
2.5 V or 3.3 V Management Data Clock Input to PHY
1
2.5 V or 3.3 V Management Data I/O
1
2.5 V or 3.3 V RGMII TX Data Input to PHY
1
2.5 V or 3.3 V RGMII TX Data Input to PHY
1
2.5 V or 3.3 V RGMII TX Data Input to PHY
1
2.5 V or 3.3 V RGMII TX Data Input to PHY
1
2.5 V or 3.3 V RGMII RX Data Output from PHY
1
2.5 V or 3.3 V RGMII RX Data Output from PHY
1
2.5 V or 3.3 V RGMII RX Data Output from PHY
1
2.5 V or 3.3 V RGMII RX Data Output from PHY
EEPROM Board Reference Information
I/O Standard
2.5 V or 3.3 V
2.5 V or 3.3 V
Micro SD Card Board Reference Information
I/O Standard
2.5 V or 3.3 V
2.5 V or 3.3 V
2.5 V or 3.3 V
2.5 V or 3.3 V
2.5 V or 3.3 V
2.5 V or 3.3 V
15
Description
1
Serial Data / Address
1
Serial Clock
Description
1
SD Clock
1
SD Command Line
1
SD Data bit 0
1
SD Data bit 1
1
SD Data bit 2
1
SD Data bit 3