HD6432646 Hitachi, HD6432646 Datasheet - Page 382

• Manufacturer Part Number: HD6432646
• Description: (HD64F264x Series) 16-Bit Microcomputer
• Manufacturer: Hitachi

Example of Buffer Operation Setting Procedure: Figure 10-18 shows an example of the buffer
operation setting procedure.
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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 10-17.
Input capture
signal
Buffer register
Select TGR function
Set buffer operation
<Buffer operation>
Buffer operation
Start count
Figure 10-18 Example of Buffer Operation Setting Procedure
Figure 10-17 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