Functional Overview
2.2.2
SH7670 Pin Function Used on SH7670 CPU Board
Rev.1.01 2008.05.07
2-8
REJ11J0012-0101
2
Table 2.2.6 SH7670 Pin Selection Used on SH7670 CPU Board (6)
Type Pin I/O Name
Function of SH7670 CPU Board
Destination to
Connect
HIF HIFD15-
HIFD00
I/O
HIF data bus
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)
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)
HIFCS#
I
HIF chip select
Chip select input for HIF
HIFCS#(PG23/HIFCS#)
Connects to an
extension connector
(J8-3)
HIFRS
I
HIF register
select
Instruction of switching access type for HIF
HIFRS(PG22/HIFRS)
Connects to an
extension connector
(J8-4)
HIFWR#
I
HIF write
Write strobe signal
HIFWR#(PG21/HIFWR#)
Connects to an
extension connector
(J8-5)
HIFRD#
I
HIF read
Read strobe signal
HIFRD#(PG20/HIFRD#)
Connects to an
extension connector
(J13-3)
HIFINT#
O
HIF interrupt
Interrupt request from HIF to external device
HIFIHT#(PG19/HIFINT#)
Connects to an
extension connector
(J8-6)
HIFMD
I
HIF mode
HIF boot mode is specified
HIFMD only enable for power-on-reset by RES#
pin (HIFMD/PA25/A25)
Connects to the DIP
switch for mode
setting (SW8-7)
HIFDREQ
O
HIFDMAC
transfer request
For external device, DMAC transfer to HIFRAM
is requested
HIFDREQ(PG18/HIFDREQ)
Connects to an
extension connector
(J8-7)
HIFEBL
I
HIF
pin
enable
By inputting high level, HIF pin except this pin is
activated
HIFEBL(PG16/HIFEBL)
Connects to an
extension connector
(J8-9)
HIFRDY
O
HIF boot ready
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)
Connects to an
extension connector
(J8-8)
Summary of Contents for M3A-HS71
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