YLCDRSK2378 Renesas Electronics America, YLCDRSK2378 Datasheet - Page 1006
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: 1006 of 1208
- Download datasheet (8Mb)
Section 21 Flash Memory (0.18-μm F-ZTAT Version)
4. Bit rate
To facilitate error checking, the value (n) of clock select (CKS) in the serial mode register (SMR),
and the value(N) in the bit rate register (BRR), which are found from the peripheral operating
clock frequency (φ) and bit rate (B), are used to calculate the error rate to ensure that it is less than
4%. If the error is more than 4%, a bit rate error is generated. The error is calculated using the
following expression:
When the new bit rate is selectable, the rate will be set in the register after sending ACK in
response. The host will send an ACK with the new bit rate for confirmation and the boot program
will response with that rate.
Confirmation
• Confirmation, H'06, (one byte): Confirmation of a new bit rate
Response
• Response, H'06, (one byte): Response to confirmation of a new bit rate
The sequence of new bit-rate selection is shown in figure 21.20.
Rev.7.00 Mar. 18, 2009 page 938 of 1136
REJ09B0109-0700
Waiting for one-bit period
Setting a new bit rate
at the specified bit rate
Error (%) = {[
H'06
Host
H'06
(N + 1) × B × 64 × 2
Figure 21.20 New Bit-Rate Selection Sequence
φ × 10
H'06 (ACK) with the new bit rate
H'06 (ACK) with the new bit rate
6
Setting a new bit rate
(2×n − 1)
H'06 (ACK)
] − 1} × 100
Setting a new bit rate
Boot program
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