HD6417615 Hitachi Semiconductor, HD6417615 Datasheet - Page 692

• Manufacturer Part Number: HD6417615
• Description: Hardware Manual
• Manufacturer: Hitachi Semiconductor

Example of Buffer Operation Setting Procedure: Figure 16.18 shows an example of the buffer
operation setting procedure.
680
When TGR is an input capture register
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 16.17.
Input capture
signal
Buffer register
Select TGR function
Set buffer operation
<Buffer operation>
Buffer operation
Start count
Figure 16.18 Example of Buffer Operation Setting Procedure
Figure 16.17 Input Capture Buffer Operation
1
2
3
Timer general
1
2
3
register
Designate TGR as an input capture register or
output compare register by means of TIOR.
Designate TGR for buffer operation with bits
BFA and BFB in TMDR.
Set the CST bit in TSTR to 1 to start the count
operation.
TCNT