YLCDRSK2378 Renesas Electronics America, YLCDRSK2378 Datasheet - Page 304
YLCDRSK2378
Manufacturer Part Number
YLCDRSK2378
Description
KIT DEV EVAL H8S/2378 LCD
Manufacturer
Renesas Electronics America
Series
H8®r
Datasheet
1.YR0K42378FC000BA.pdf
(1208 pages)
Specifications of YLCDRSK2378
Main Purpose
Displays, LCD Controller
Embedded
Yes, MCU, 16-Bit
Utilized Ic / Part
YLCDRSK2378
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
- Current page: 304 of 1208
- Download datasheet (8Mb)
Section 6 Bus Controller (BSC)
TPC1 and TPC0 of DRACCR is also valid in refresh cycles, the command interval can be
extended by the RCW1 and RCW0 bits after the precharge cycles.
T
T
T
T
T
T
Rp1
Rp2
Rrw
Rr
Rc1
Rc2
φ
SDRAMφ
Address bus
Precharge-sel
RAS
CAS
WE
CKE
High
PALL
NOP
REF
NOP
Figure 6.55 Auto Refresh Timing
(TPC = 1, TPC0 = 1, RCW1 = 0, RCW0 = 1)
When the interval specification from the REF command to the ACTV cannot be satisfied, setting
the RLW1 and RLW0 bits of REFCR enables one to three wait states to be inserted in the refresh
cycle. Set the optimum number of waits according to the synchronous DRAM connected and the
operating frequency of this LSI. Figure 6.56 shows the timing when one wait state is inserted.
Rev.7.00 Mar. 18, 2009 page 236 of 1136
REJ09B0109-0700
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