E62655RUSB Renesas Electronics America, E62655RUSB Datasheet - Page 163

• Manufacturer Part Number: E62655RUSB
• Description: EMULATOR BASE H8S/2655R W/USB
• Manufacturer: Renesas Electronics America
• Type: Microcontrollerr

Specifications of E62655RUSB

• Contents: E6000 Emulator Unit and 4 Logic Probes
• For Use With/related Products: H8S/2655R
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

Note:
Name
Chip select 5/row address
strobe 5
Chip select 6
Chip select 7
Upper column address strobe/
column address strobe/output
enable/refresh
Lower column strobe
Wait
Bus request
Bus request acknowledge
Bus request output
* Using the LCASS bit in BCRL, it is possible to select use of either the LWR pin or the
LCAS pin for the 2-CAS type DRAM lower column strobe signal.
Symbol I/O
CS
CS
CS
CAS/
OE
LCAS
WAIT
BREQ
BACK
BREQO Output
5
6
7
Output
Output
Output
Output
Output
Input
Input
Output
Function
Strobe signal indicating that area 5 is
selected.
DRAM row address strobe signal when
area 5 is in DRAM space.
Strobe signal indicating that area 6 is
selected.
Strobe signal indicating that area 7 is
selected.
2-CAS DRAM upper column address
strobe signal.
2-WE DRAM column address strobe signal.
PSRAM output enable signal when areas
2 to 5 are in PSRAM space.
The 2-CAS type (LCASS = 0) DRAM lower
column address strobe signal. *
Wait request signal when accessing
external 3-state access space.
Request signal that releases bus to
external device.
Acknowledge signal indicating that bus has
been released.
External bus request signal used when
internal bus master accesses external
space when external bus is released.
Rev. 5.00 Sep 14, 2006 page 133 of 1060
Section 6 Bus Controller
REJ09B0331-0500