ep9315 Cirrus Logic, Inc., ep9315 Datasheet - Page 61

• Manufacturer Part Number: ep9315
• Description: Enhanced Universal Platform System-on-chip Processor
• Manufacturer: Cirrus Logic, Inc.

DS638PP4
MDIO
RXCLK
MIIRXD[3:0]
RXDVAL
RXERR
TXCLK
MIITXD[3:0]
TXEN
TXERR
CRS
CLD
GRLED
RDLED
EECLK
EEDAT
ABITCLK
ASYNC
ASDI
ASDO
ARSTn
SCLK1
SFRM1
SSPRX1
SSPTX1
INT[3:0]
PRSTn
RSTOn
SLA[1:0]
VS1
VS2
MCD1
MCD2
MCBVD1
MCBVD2
MCDIR
MCDAENn
MCADENn
MCREGn
MCEHn
MCELn
IORDn
IOWRn
MCRDn
MCWRn
READY
WP
MCWAITn
MCRESETn
Pin Name
EEPROM
EEPROM
EEPROM
PCMCIA
PCMCIA
PCMCIA
PCMCIA
PCMCIA
PCMCIA
PCMCIA
PCMCIA
PCMCIA
PCMCIA
PCMCIA
PCMCIA
PCMCIA
PCMCIA
PCMCIA
PCMCIA
PCMCIA
PCMCIA
PCMCIA
PCMCIA
Syscon
Syscon
EMAC
EMAC
EMAC
EMAC
EMAC
EMAC
EMAC
EMAC
EMAC
EMAC
EMAC
Block
AC97
AC97
AC97
AC97
AC97
SPI1
SPI1
SPI1
SPI1
LED
LED
INT
Table S. Pin Descriptions (Continued)
12ma
12ma
Type
4ma
4ma
4ma
4ma
4ma
8ma
8ma
8ma
8ma
8ma
8ma
8ma
4ma
4ma
4ma
4ma
4ma
4ma
4ma
4ma
4ma
4ma
4ma
4ma
4ma
Pad
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
Type
Pull
PU
PD
PD
PD
PU
PD
PD
PD
PD
PU
PU
PU
PD
PD
PD
PU
PD
PD
PD
PU
PU
PU
PU
PU
PU
PU
PU
PU
PU
PU
PU
PU
PU
PU
PU
PU
PD
PD
Management data input/output
Receive clock in
Receive data in
Receive data valid
Receive data error
Transmit clock in
Transmit data out
Transmit enable
Transmit error
Carrier sense
Collision detect
Green LED
Red LED
EEPROM / Two-wire Interface clock
EEPROM / Two-wire Interface data
AC97 bit clock
AC97 frame sync
AC97 Primary input
AC97 output
AC97 reset
SPI bit clock
SPI Frame Clock
SPI input
SPI output
External interrupts
Power on reset
User Reset in out - open drain
Flash programming voltage control
Voltage sense
Voltage sense
Card detect
Card detect
Voltage detection / status change
Voltage detection
Data transceiver direction control
Data bus transceiver enable
Address bus transceiver enable
Memory card register
Memory card high byte select
Memory card low byte select
I/O card read
I/O card write
Memory card read
Memory card write
Ready / interrupt
Write protect
Wait Input
Card reset
©
Copyright 2005 Cirrus Logic (All Rights Reserved)
Description
EGPIO[15:0]
DD[15:8]
DD7
DD[6:0]
IDEDA[2:0]
IDECS0n
IDECS1n
DIORn
DIOWn
DMACKn
IORDY
CVDD
RVDD
CGND
RGND
Pin Name
Ground
Ground
Power
Power
Block
GPIO
IDE
IDE
IDE
IDE
IDE
IDE
IDE
IDE
IDE
IDE
Table S. Pin Descriptions (Continued)
Enhanced Universal Platform SOC Processor
I/O, 4 ma
Type
Pad
8ma
8ma
8ma
8ma
8ma
8ma
8ma
8ma
8ma
G
G
P
P
I
Type
Pull
PU
PU
PD
PU
PU
Enhanced GPIO
IDE data bus
IDE data bus
IDE data bus
IDE Device address output
IDE Chip Select 0 output
IDE Chip Select 1 output
IDE Write strobe output
IDE DMA acknowledge output
IDE ready input
Digital power, 1.8V
Digital power, 3.3V
Digital ground
Digital ground
IDE Read strobe output
Description
EP9315
61