E62655RUSB Renesas Electronics America, E62655RUSB Datasheet - Page 190

• 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
6.4.3
Table 6.4 shows the data buses used and valid strobes for the access spaces.
In a read, the RD signal is valid without discrimination between the upper and lower halves of the
data bus.
In a write, the HWR signal is valid for the upper half of the data bus, and the LWR signal for the
lower half.
Table 6.4
Area
8-bit access
space
16-bit access
space
Note: Undefined: Undefined data is output.
Rev. 5.00 Sep 14, 2006 page 160 of 1060
REJ09B0331-05000
Invalid: Input state; input value is ignored.
Valid Strobes
Data Buses Used and Valid Strobes
Access
Size
Byte
Byte
Word
Read/
Write
Read
Write
Read
Write
Read
Write
Address
—
—
Even
Odd
Even
Odd
—
—
Valid
Strobe
RD
HWR
RD
HWR
LWR
RD
HWR, LWR Valid
Upper Data Bus
(D
Valid
Valid
Invalid
Valid
Undefined
Valid
15
to D
8
)
Lower Data Bus
(D
Invalid
Undefined
Invalid
Valid
Undefined
Valid
Valid
Valid
7
to D
0
)