E62655RUSB Renesas Electronics America, E62655RUSB Datasheet - Page 162

• 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

Section 6 Bus Controller
6.1.3
Table 6.1 summarizes the pins of the bus controller.
Table 6.1
Name
Address strobe
Read
High write/write enable/upper
write enable
Low write/lower column address
strobe/lower write enable
Chip select 0
Chip select 1
Chip select 2/row address
strobe 2
Chip select 3/row address
strobe 3
Chip select 4/row address
strobe 4
Rev. 5.00 Sep 14, 2006 page 132 of 1060
REJ09B0331-05000
Pin Configuration
Bus Controller Pins
Symbol I/O
AS
RD
HWR
LWR
CS
CS
CS
CS
CS
0
1
2
3
4
Output
Output
Output
Output
Output
Output
Output
Output
Output
Function
Strobe signal indicating that address output
on address bus is enabled.
Strobe signal indicating that external space
is being read.
Strobe signal indicating that external space
is to be written, and upper half (D
data bus is enabled.
2-CAS DRAM write enable signal.
2-WE DRAM upper write enable signal.
Strobe signal indicating that external space
is to be written, and lower half (D
data bus is enabled.
2-CAS (LCASS = 1) DRAM lower column
address strobe signal. *
2-WE DRAM lower write enable signal.
Strobe signal indicating that area 0 is
selected.
Strobe signal indicating that area 1 is
selected.
Strobe signal indicating that area 2 is
selected.
DRAM row address strobe signal when
area 2 is in DRAM space.
Strobe signal indicating that area 3 is
selected.
DRAM row address strobe signal when
area 3 is in DRAM space.
Strobe signal indicating that area 4 is
selected.
DRAM row address strobe signal when
area 4 is in DRAM space.
7
15
to D
to D
0
) of
8
) of