HD6417618 RENESAS [Renesas Technology Corp], HD6417618 Datasheet - Page 236

• Manufacturer Part Number: HD6417618
• Description: 32-Bit RISC Microcomputer SuperHTM RISC engine Family / SH7618 Series
• Manufacturer: RENESAS [Renesas Technology Corp]

Section 8 Clock Pulse Generator (CPG)
Notes: 1. Pins MD2 to MD0 should be set during the operation before the mode change or during
Rev. 6.00 Jun. 12, 2007 Page 204 of 610
REJ09B0131-0600
2. Clear the STBY bit in STBCR in the exception handling routine for the interrupt in
3. Once bits STC2 to STC0 are changed, the clock is not switched to the specified clock
software standby mode before requesting an interrupt.
step 6. Otherwise, software standby mode is entered again. For details, see section
10.5.2, Canceling Software Standby Mode.
even if only bits PFC2 to PFC0 are changed. When bits STC2 to STC0 are changed
after the MDCHG bit has been set to 1, the FRQCR setting must not be made until the
clock mode is changed.