upd70f3402 Renesas Electronics Corporation., upd70f3402 Datasheet - Page 328

• Manufacturer Part Number: upd70f3402
• Description: 32-/16-bit Single-chip Microcontroller With Can Interface
• Manufacturer: Renesas Electronics Corporation.

Notes: 1. Selection of the TQnEEE bit has no influence.
Remark:
328
2. The 16-bit counter is not cleared when it matches the CCRk buffer register.
Figure 8-20: Flowchart of Basic Operation in External Event Counter Mode
n = 0 to 1
m = 0 to 3
k = 1 to 3
• Set external event count mode
• Set valid edge (TQnIOC2: TQnEES1,
• Set compare register (TQnCCRm).
(TQnCTL0: TQnMD2 to TQnMD0 =
001)
TQnEES0).
Enable timer operation (TQnCE = 1)
→ Transfer value of TQnCCRm
Clear and start 16-bit counter.
Chapter 8 16-Bit Timer/Event Counter Q
Note 1
CCRk buffer register
to CCRm buffer register
16-bit counter matches
16-bit counter matches
CCR0 buffer register.
Initial setting
User’s Manual U16702EE3V2UD00
START
Note 2
INTTQnCCk occurs
INTTQnCC0 occurs