HD64F3437TFI16V Renesas Electronics America, HD64F3437TFI16V Datasheet - Page 219

• Manufacturer Part Number: HD64F3437TFI16V
• Description: MCU FLASH 60K 100-TQFP
• Manufacturer: Renesas Electronics America

Specifications of HD64F3437TFI16V

• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

No.
3
4
Note: * The switching of clock sources is regarded as a falling edge that increments FRC.
Description
High
CKS1 and CKS0 are
rewritten while old clock
source is high and new
clock source is low.
High
CKS1 and CKS0 are
rewritten while both
clock sources are high.
low:
high:
Timing
Old clock
source
New clock
source
FRC clock
pulse
FRC
Old clock
source
New clock
source
FRC clock
pulse
FRC
N
N
N + 1
CKS rewrite
N + 1
*
N + 2
N + 2
CKS rewrite
187