R0K572030S000BE Renesas Electronics America, R0K572030S000BE Datasheet - Page 343
R0K572030S000BE
Manufacturer Part Number
R0K572030S000BE
Description
KIT DEV FOR SH7203
Manufacturer
Renesas Electronics America
Series
Renesas Starter Kits (RSK)r
Type
MCUr
Specifications of R0K572030S000BE
Contents
CPU Board, LCD Module, E10A-Lite Emulator, Cable, QuickStart Guide and CD-ROM
Silicon Manufacturer
Renesas
Kit Contents
Board
Silicon Family Name
SH7203
Silicon Core Number
R5S72030W200FP
Tool / Board Applications
General Purpose MCU, MPU, DSP, DSC
Mcu Supported Families
SH7203
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
For Use With/related Products
SH7203
Lead Free Status / Rohs Status
Compliant
- Current page: 343 of 1686
- Download datasheet (10Mb)
9.5.4
The number of cycles from CSn assertion to RD, WEn assertion can be specified by setting bits
SW1 and SW0 in CSnWCR. The number of cycles from RD, WEn negation to CSn negation can
be specified by setting bits HW1 and HW0. Therefore, a flexible interface to an external device
can be obtained. Figure 9.10 shows an example. A Th cycle and a Tf cycle are added before and
after an ordinary cycle, respectively. In these cycles, RD and WEn are not asserted, while other
signals are asserted. The data output is prolonged to the Tf cycle, and this prolongation is useful
for devices with slow writing operations.
CSn Assert Period Expansion
Write
Read
Figure 9.10 CSn Assert Period Expansion
D31 to D0
D31 to D0
A25 to A0
DACKn*
RD/WR
CKIO
Note: * The waveform for DACKn is when active low is specified.
WEn
CSn
RD
BS
Th
T1
Rev. 3.00 Sep. 28, 2009 Page 311 of 1650
T2
Section 9 Bus State Controller (BSC)
Tf
REJ09B0313-0300
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