r4f2426 Renesas Electronics Corporation., r4f2426 Datasheet - Page 760

• Manufacturer Part Number: r4f2426
• Description: 16-bit Single-chip Microcomputer H8s Family / H8s/2400 Series
• Manufacturer: Renesas Electronics Corporation.

Section 11 16-Bit Timer Pulse Unit (TPU)
• When TGR is an input capture register
(1)
Figure 11.15 shows an example of the buffer operation setting procedure.
Rev. 1.00 Sep. 19, 2008 Page 732 of 1270
REJ09B0466-0100
When input capture occurs, the value in TCNT is transferred to TGR and the value previously
held in the timer general register is transferred to the buffer register.
This operation is illustrated in figure 11.14.
Input capture
signal
Buffer register
Example of Buffer Operation Setting Procedure
Select TGR function
Set buffer operation
<Buffer operation>
Buffer operation
Start count
Figure 11.15 Example of Buffer Operation Setting Procedure
Figure 11.14 Input Capture Buffer Operation
[1]
[2]
[3]
Timer general
[1] Designate TGR as an input capture register or
[2] Designate TGR for buffer operation with bits
[3] Set the CST bit in TSTR to 1 to start the count
register
output compare register by means of TIOR.
BFA and BFB in TMDR.
operation.
TCNT