EP9315
Enhanced Universal Platform SOC Processor
Table S. Pin Descriptions (Continued)
Table S. Pin Descriptions (Continued)
Pad
Type
Pull
Type
Pad
Type
Pull
Type
Pin Name
MDIO
Block
Description
Pin Name
Block
Description
EMAC
EMAC
4ma
PU Management data input/output
PD Receive clock in
PD Receive data in
PD Receive data valid
PD Receive data error
PU Transmit clock in
PD Transmit data out
PD Transmit enable
PD Transmit error
EGPIO[15:0]
DD[15:8]
DD7
GPIO
IDE
I/O, 4 ma PU Enhanced GPIO
RXCLK
MIIRXD[3:0]
RXDVAL
RXERR
TXCLK
MIITXD[3:0]
TXEN
I
8ma
8ma
8ma
8ma
8ma
8ma
8ma
8ma
8ma
I
PU IDE data bus
PD IDE data bus
PU IDE data bus
EMAC
I
IDE
EMAC
I
I
DD[6:0]
IDEDA[2:0]
IDECS0n
IDECS1n
DIORn
IDE
EMAC
IDE
IDE Device address output
EMAC
I
IDE
IDE Chip Select 0 output
IDE Chip Select 1 output
IDE Read strobe output
IDE Write strobe output
IDE DMA acknowledge output
EMAC
I
IDE
EMAC
4ma
4ma
I
IDE
TXERR
CRS
EMAC
DIOWn
DMACKn
IORDY
IDE
EMAC
PD Carrier sense
IDE
CLD
EMAC
I
PU Collision detect
Green LED
IDE
PU IDE ready input
GRLED
RDLED
EECLK
EEDAT
ABITCLK
ASYNC
ASDI
LED
12ma
12ma
4ma
4ma
8ma
8ma
I
CVDD
Power
Power
Ground
Ground
P
Digital power, 1.8V
Digital power, 3.3V
Digital ground
LED
Red LED
RVDD
P
EEPROM
EEPROM
AC97
PU EEPROM / Two-wire Interface clock
PU EEPROM / Two-wire Interface data
PD AC97 bit clock
CGND
G
RGND
G
Digital ground
AC97
PD AC97 frame sync
PD AC97 Primary input
PU AC97 output
AC97
ASDO
AC97
8ma
8ma
8ma
8ma
I
ARSTn
SCLK1
SFRM1
SSPRX1
SSPTX1
INT[3:0]
PRSTn
RSTOn
SLA[1:0]
VS1
AC97
AC97 reset
SPI1
PD SPI bit clock
SPI1
PD SPI Frame Clock
PD SPI input
SPI1
SPI1
8ma
I
SPI output
INT
PD External interrupts
PU Power on reset
Syscon
Syscon
EEPROM
PCMCIA
PCMCIA
PCMCIA
PCMCIA
PCMCIA
PCMCIA
PCMCIA
PCMCIA
PCMCIA
PCMCIA
PCMCIA
PCMCIA
PCMCIA
PCMCIA
PCMCIA
PCMCIA
PCMCIA
PCMCIA
PCMCIA
PCMCIA
I
4ma
4ma
I
User Reset in out - open drain
Flash programming voltage control
PU Voltage sense
VS2
I
PU Voltage sense
MCD1
I
PU Card detect
MCD2
I
PU Card detect
MCBVD1
MCBVD2
MCDIR
MCDAENn
MCADENn
MCREGn
MCEHn
MCELn
IORDn
I
PU Voltage detection / status change
PU Voltage detection
Data transceiver direction control
Data bus transceiver enable
Address bus transceiver enable
PU Memory card register
PU Memory card high byte select
PU Memory card low byte select
PU I/O card read
I
4ma
4ma
4ma
4ma
4ma
4ma
4ma
4ma
4ma
4ma
I
IOWRn
MCRDn
MCWRn
READY
WP
PU I/O card write
PU Memory card read
PU Memory card write
PU Ready / interrupt
PU Write protect
I
MCWAITn
MCRESETn
I
PU Wait Input
4ma
Card reset
DS638PP4
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