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2
Type
Pin
HIF
HIFD15-
HIFD00
HIFCS#
HIFRS
HIFWR#
HIFRD#
HIFINT#
HIFMD
HIFDREQ
HIFEBL
HIFRDY
Rev.1.01 2008.05.07
REJ11J0012-0101
Table 2.2.6 SH7670 Pin Selection Used on SH7670 CPU Board (6)
I/O
Name
I/O
HIF data bus
HIF chip select
I
HIF
register
I
select
HIF write
I
HIF read
I
O
HIF interrupt
I
HIF mode
O
HIFDMAC
transfer request
I
HIF pin
enable
O
HIF boot ready
2.2.2 SH7670 Pin Function Used on SH7670 CPU Board
Function of SH7670 CPU Board
Address/data/command I/O for HIF
HIFD15(PG15/HIFD15)
HIFD14(PG14/HIFD14)
HIFD13(PG13/HIFD13)
HIFD12(PG12/HIFD12)
HIFD11(PG11/HIFD11)
HIFD10(PG10/HIFD10)
HIFD09(PG09/HIFD09)
HIFD08(PG08/HIFD08)
HIFD07(PG07/HIFD07)
HIFD06(PG06/HIFD06)
HIFD05(PG05/HIFD05)
HIFD04(PG04/HIFD04)
HIFD03(PG03/HIFD03)
HIFD02(PG02/HIFD02)
HIFD01(PG01/HIFD01)
HIFD00(PG00/HIFD00)
Chip select input for HIF
HIFCS#(PG23/HIFCS#)
Instruction of switching access type for HIF
HIFRS(PG22/HIFRS)
Write strobe signal
HIFWR#(PG21/HIFWR#)
Read strobe signal
HIFRD#(PG20/HIFRD#)
Interrupt request from HIF to external device
HIFIHT#(PG19/HIFINT#)
HIF boot mode is specified
HIFMD only enable for power-on-reset by RES#
pin (HIFMD/PA25/A25)
For external device, DMAC transfer to HIFRAM
is requested
HIFDREQ(PG18/HIFDREQ)
By inputting high level, HIF pin except this pin is
activated
HIFEBL(PG16/HIFEBL)
Indicates that, in this LSI, reset to HIF module is
released to be possible to acknowledge the
access to HIF module from external devices.
HIFRDY(PG17/HIFRDY)
Functional Overview
Destination to
Connect
Connects
to
an
extension
connector
HIFD15(J13-4)
HIFD14(J13-5)
HIFD13(J13-6)
HIFD12(J13-7)
HIFD11(J13-8)
HIFD10(J13-9)
HIFD09(J13-10)
HIFD08(J13-11)
HIFD07(J13-12)
HIFD06(J13-13)
HIFD05(J13-14)
HIFD04(J13-15)
HIFD03(J13-16)
HIFD02(J13-17)
HIFD01(J13-18)
HIFD00(J13-19)
Connects
to
an
extension
connector
(J8-3)
Connects
to
an
extension
connector
(J8-4)
Connects
to
an
extension
connector
(J8-5)
Connects
to
an
extension
connector
(J13-3)
Connects
to
an
extension
connector
(J8-6)
Connects to the DIP
switch
for
mode
setting (SW8-7)
Connects
to
an
extension
connector
(J8-7)
Connects
to
an
extension
connector
(J8-9)
Connects
to
an
extension
connector
(J8-8)
2-8
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