Renesas SH7670 Series User Manual page 19

2
Type Pin I/O
INTC IRQ I
DMA DREQ1 I
C DREQ0
DACK1
O
DACK0
TEND1
O
TEND0
Ether CRS
I
COL
I
MII_TXD3
O
MII_TXD2
MII_TXD1
MII_TXD0
TX_EN
O
TX_CLK I
TX_ER O
MII_RXD3
I
MII_RXD2
MII_RXD1
MII_RXD0
RX_DV
I
Rev.1.01 2008.05.07
REJ11J0012-0101
Table 2.2.3 SH7670 Pin Selection Used on SH7670 CPU Board (3)
Function of SH7670 CPU Board
Name
Interrupt Interrupt request pin which can select level
request and edge input.
Each IRQ
followings.
• IRQ7#(PD07/IRQ7#/SDCLK)
• IRQ6#(PD06/IRQ6#/SDCMD)
• IRQ5#(PD05/IRQ5#/SDCD)
• IRQ4#(PD04/IRQ4#/SDWP)
• IRQ3#(PD03/IRQ3#/SDDATA3)
• IRQ2#(PD02/IRQ2#/SDDATA2)
• IRQ1#(PD01/IRQ1#/SDDATA1)
• IRQ0#(PD00/IRQ0#/SDDATA0)
• IRQ3(PB05/CS5#/CE1A#/IRQ3/TEND1)
• IRQ2(PB04/CE2A#/IRQ2/DACK1)
• IRQ1(PB03/CS6#/CE1B#/IRQ1/DREQ1)
• IRQ0(PB02/CE2B#/IRQ0)
DMA transfer External DMA transfer request input pin
request DREQ1(PB03/CS6#/CE1B#/IRQ1/DREQ1)
DREQ0(PF09/ST0_VLD/DREQ0)
DMA transfer Request acknowledge
request is external DMA transfer request
acknowledged DACK1(PB04/CE2A#/IRQ2/DACK1)
DACK0(PF10/ST0_SYC//DACK0)
DMA transfer DMA transfer completion output signal
completion TEND1(PB05/CS5#/CE1A#/IRQ3/TEND1)
output TEND0(PF11/ST0_PWM/TEND0)
Carrier sense Carrier sense pin
CRS(PC15/CRS)
Collision Collision detection pin
COL(PC14/COL)
４-bit sending data pin
Sending data
MII_TXD3(PC07/MII_TXD3)
MII_TXD2(PC06/MII_TXD2)
MII_TXD1(PC05/MII_TXD1)
MII_TXD0(PC04/MII_TXD0)
Sending Indicates that sending data is ready for
enable MII_TXD3-0
TX_EN(PC12/TX_EN)
Sending clock Reference timing of TX_EN, TX_ER, and
MII_TXD3-0
TX_CLK(PC13/TX_CLK)
Sending error Pins notifying PHY-LSI of the error in
transmitting TX_ER(PC11/TX_ER)
４-bit receiving data pin
Receive data
MII_RXD3(PC03/MII_RXD3)
MII_RXD2(PC02/MII_RXD2)
MII_RXD1(PC01/MII_RXD1)
MII_RXD0(PC00/MII_RXD0)
Receive data Indicates that there is enabled receiving
valid data for MII_RXD3-0
RX_DV(PC08/RX_DV)
2.2.2 SH7670 Pin Function Used on SH7670 CPU Board
pin is connected to the
output pin to
Functional Overview
Destination to Connect
• Connects to an extension connector
IRQ7#(J8-12)
IRQ6#(J8-13)
IRQ5#(J8-14)
IRQ4#(J8-15)
IRQ3#(J8-16)
IRQ2#(J8-17)
IRQ1#(J8-18)
IRQ0#(J8-19)
IRQ3(J8-11)
IRQ2(J9-6)
IRQ1(J9-7)
IRQ0(J9-8)
• Connects to push switch
IRQ0 (SW5)
• Connects to VBUS IRQ1(U8-2)
• Connects to an extension connector
DREQ1(J9-7)
• Connects to ST connector
DREQ1(J7-16)
• Connects to an extension connector
DACK1(J9-6)
• Connects to ST connector
DACK0(J7-15)
• Connects to an extension connector
TEND1(J8-11)
• Connects to ST connector
TEND0(J7-17)
Connects to PHY-LSI (U7-23)
Connects to PHY-LSI (U7-1)
Connects to PHY-LSI
MII_TXD3(U7-3)
MII_TXD2(U7-4)
MII_TXD1(U7-5)
MII_TXD0(U7-6)
Connects to PHY-LSI (U7-2)
Connects to PHY-LSI (U7-7)
Connects to an extension connector
(J11-6)
Connects to PHY-LSI
MII_RXD3(U7-18)
MII_RXD2(U7-19)
MII_RXD1(U7-20)
MII_RXD0(U7-21)
Connects to PHY-LSI (U7-22)
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