upd70f3402 Renesas Electronics Corporation., upd70f3402 Datasheet - Page 288

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

Note: The timing of <2> in the above flowchart may differ depending on the rewrite timing of steps <1>
Remark:
288
(b) When values of TPnCCR0, TPnCCR1 registers are rewritten during timer operation
and <3> and the value of TPnCCR1, but make sure that step <3> comes after step <1>.
n = 0 to 3
m = 0, 1
Figure 7-25: Flowchart of Basic Operation in PWM Mode (2/2)
• Select clock.
• Set PWM mode.
•
• CCR0 buffer register matches 16-bit
• Clear and start 16-bit counter.
• Value of TPnCCRm is reloaded to
(TPnCTL0: TPnCKS2 to TPnCKS0)
(TPnCTL1: TPnMD2 to TPnMD0 = 100)
Set compare register.
(TPnCCR0, TPnCCR1)
counter.
CCRm buffer register.
16-bit counter matches TPnCCR1.
16-bit counter matches TPnCCR0.
Enable timer operation (TPnCE = 1)
Chapter 7 16-Bit Timer/Event Counter P
register to CCRm buffer register
Clear and start 16-bit counter.
→ Transfer value of TPnCCRm
TOPn1 outputs high level.
TOPn1 outputs low level.
TOPn1 outputs low level.
16-bit counter matches
CCR1 buffer register.
Rewrite TPnCCR0.
Rewrite TPnCCR1.
Initial setting
User’s Manual U16702EE3V2UD00
START
<1>
<2>
<3>
Note
INTTPnCC1 occurs
INTTPnCC0 occurs
Reload is enabled
INTTPnCC0 occurs
INTTPnCC1 occurs