YLCDRSK2378 Renesas Electronics America, YLCDRSK2378 Datasheet - Page 331
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
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• Normal space access after a continuous synchronous DRAM space write access
Table 6.11 shows whether there is an idle cycle insertion or not in the case of mixed accesses to
normal space and DRAM space/continuous synchronous DRAM space.
Figure 6.80 Example of Idle Cycle Operation after Continuous Synchronous DRAM Space
If a normal space read cycle occurs after a continuous synchronous DRAM space write access
while the ICIS2 bit is set to 1 in BCR, idle cycle is inserted at the start of the read cycle. The
number of states of the idle cycle to be inserted is in accordance with the setting of bit IDLC.
It is not in accordance with the DRMI bit in DRACCR.
Figure 6.80 shows an example of idle cycle operation when the ICIS2 bit is set to 1.
DQMU, DQML
Precharge-sel
Address bus
HWR, LWR
Data bus
CKE
CAS
RAS
WE
RD
Write Access (IDLC = 0, ICIS1 = 0, SDWCD = 1, CAS Latency 2)
φ
PALL ACTV
address
Column
T
Continuous synchronous
DRAM space write
p
address
address
Row
Row
T
r
NOP WRIT
T
c1
address
Column
T
c2
Idle cycle
External address space read
T
i
External address
External address
Rev.7.00 Mar. 18, 2009 page 263 of 1136
T
1
High
NOP
T
2
Section 6 Bus Controller (BSC)
T
3
READ
Synchronous
DRAM space read
T
Column address 2
c1
REJ09B0109-0700
T
Cl
NOP
T
c2
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