Section 1 Overview
Rev. 2.00 Mar 09, 2006 page 17 of 906
REJ09B0292-0200
Type
Symbol
I/O
Name
Function
Bus control
CAS
Output
Column
address strobe
Synchronous DRAM CAS signal
OE
Output
Output enable
EDO DRAM output enable signal
Used in access in RAS down mode
DQMUU/
WE3
Output
Highest byte
access
SRAM/synchronous DRAM highest byte
select signal
DQMUL/
WE2
Output
Second byte
access
SRAM/synchronous DRAM second byte
select signal
DQMLU/
WE1
Output
Third byte
access
SRAM/synchronous DRAM third byte
select signal
DQMLL/
WE0
Output
Lowest byte
access
SRAM/synchronous DRAM lowest byte
select signal
CAS3
Output
Column address
strobe 3
DRAM highest byte select signal
CAS2
Output
Column address
strobe 2
DRAM second byte select signal
CAS1
Output
Column address
strobe 1
DRAM third byte select signal
CAS0
Output
Column address
strobe 0
DRAM lowest byte select signal
CKE
Output
Clock enable
Synchronous DRAM clock enable signal
REFOUT
Output
Refresh out
Signal requesting refresh execution
when the bus is released
RD/
WR
Output
Read/write
DRAM/synchronous DRAM write signal
BUSHiZ
Input
Bus high
impedance
Signal used in combination with WAIT
signal to place bus and strobe signals in
the high-impedance state without the
ending bus cycle
BH
Output
Burst hint
Asserted at the start of a DMA burst,
negated one bus cycle before the end of
the burst
STATS0, 1
Output
Status
CPU, DMAC, and E-DMAC status
information
Содержание SH7616
Страница 10: ...Rev 2 00 Mar 09 2006 page x of xxvi ...
Страница 132: ...Section 2 CPU Rev 2 00 Mar 09 2006 page 106 of 906 REJ09B0292 0200 ...
Страница 568: ...Section 12 16 Bit Free Running Timer FRT Rev 2 00 Mar 09 2006 page 542 of 906 REJ09B0292 0200 ...
Страница 582: ...Section 13 Watchdog Timer WDT Rev 2 00 Mar 09 2006 page 556 of 906 REJ09B0292 0200 ...
Страница 662: ...Section 14 Serial Communication Interface with FIFO SCIF Rev 2 00 Mar 09 2006 page 636 of 906 REJ09B0292 0200 ...
Страница 706: ...Section 16 Serial I O SIO Rev 2 00 Mar 09 2006 page 680 of 906 REJ09B0292 0200 ...
Страница 820: ...Section 19 Pin Function Controller PFC Rev 2 00 Mar 09 2006 page 794 of 906 REJ09B0292 0200 ...
Страница 932: ...Appendix D Package Dimensions Rev 2 00 Mar 09 2006 page 906 of 906 REJ09B0292 0200 ...
Страница 935: ...SH7616 Hardware Manual ...