YLCDRSK2378 Renesas Electronics America, YLCDRSK2378 Datasheet - Page 278

Manufacturer Part Number

KIT DEV EVAL H8S/2378 LCD

Manufacturer

Renesas Electronics America

Main Purpose

Displays, LCD Controller

Yes, MCU, 16-Bit

Utilized Ic / Part

Primary Attributes

5.7" QVGA, Touch Screen

Secondary Attributes

Source Code on CD, Debugging Requires Emulator Cable E10A USB/JTAG

Lead Free Status / RoHS Status

Lead free / RoHS Compliant

Section 6 Bus Controller (BSC)

Depending on the DRAM used, modification of the WE signal may not be permitted during the

refresh period. In this case, the CBRM bit in REFCR should be set to 1. The bus controller will

then insert refresh cycles in appropriate breaks between bus cycles. Figure 6.38 shows an example

of the timing when the CBRM bit is set to 1. In this case the CS signal is not controlled, and

retains its value prior to the start of the refresh period.

Rev.7.00 Mar. 18, 2009 page 210 of 1136

REJ09B0109-0700

(RCW1 = 0, RCW0 = 1, RLW1 = 0, RLW0 = 0)

Figure 6.37 CBR Refresh Timing