SH7080_09 Datasheet, PDF (77/1622 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer SuperH RISC engine Family

Section 1 Overview
Classification
Bus control
Direct memory
access controller
(DMAC)
Symbol
CE2A
CE2B
ICIOWR
ICIORD
WE
IOIS16
DREQ3 to
DREQ0
DACK3 to
DACK0
TEND1,
TEND0
I/O Name
Function
O Upper byte
selection for
PCMCIA card
Chip enable for PCMCIA connected
to area 5
Available only in the
SH7085/SH7086.
O Upper byte
selection for
PCMCIA card
Chip enable for PCMCIA connected
to area 6
Available only in the
SH7085/SH7086.
O Write strobe for Connected to the PCMCIA I/O write
PCMCIA I/O
strobe signal
Available only in the
SH7085/SH7086.
O Read strobe for Connected to the PCMCIA I/O read
PCMCIA I/O
strobe signal
Available only in the
SH7085/SH7086.
O Write strobe for Connected to the PCMCIA memory
PCMCIA memory write strobe signal
Available only in the
SH7085/SH7086.
I PCMCIA dynamic Indicates 16-bit I/O for PCMCIA in
bus sizing
little endian mode. This LSI does not
support little endian and this pin
must be held low.
Available only in the
SH7085/SH7086.
I DMA-transfer Input pins to receive external
request
requests for DMA transfer.
Only DREQ1 and DREQ0 are
available in the SH7083/SH7084.
O DMA-transfer
strobe
Strobe signal output pins for the
external device that has requested
DMA transfer.
Only DACK1 and DACK0 are
available in the SH7083/SH7084.
O DMA-transfer end Output pins for DMA transfer end
signals
Rev. 4.00 Dec. 15, 2009 Page 17 of 1558
REJ09B0181-0400