YLCDRSK2378 Renesas Electronics America, YLCDRSK2378 Datasheet - Page 664
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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Section 11 16-Bit Timer Pulse Unit (TPU)
11.4.4
In cascaded operation, two 16-bit counters for different channels are used together as a 32-bit
counter.
This function works by counting the channel 1 (channel 4) counter clock at overflow/underflow of
TCNT_2 (TCNT_5) as set in bits TPSC2 to TPSC0 in TCR.
Underflow occurs only when the lower 16-bit TCNT is in phase-counting mode.
Table 11.29 shows the register combinations used in cascaded operation.
Note: When phase counting mode is set for channel 1 or 4, the counter clock setting is invalid
Table 11.29 Cascaded Combinations
Combination
Channels 1 and 2
Channels 4 and 5
Example of Cascaded Operation Setting Procedure: Figure 11.17 shows an example of the
setting procedure for cascaded operation.
Rev.7.00 Mar. 18, 2009 page 596 of 1136
REJ09B0109-0700
and the counter operates independently in phase counting mode.
Cascaded Operation
<Cascaded operation>
Cascaded operation
Figure 11.17 Cascaded Operation Setting Procedure
Set cascading
Start count
Upper 16 Bits
TCNT_1
TCNT_4
[1]
[2]
[1]
[2]
Set bits TPSC2 to TPSC0 in the channel 1
(channel 4) TCR to B'1111 to select TCNT_2
(TCNT_5) overflow/underflow counting.
Set the CST bit in TSTR for the upper and lower
channel to 1 to start the count operation.
Lower 16 Bits
TCNT_2
TCNT_5
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