HD6417706 RENESAS [Renesas Technology Corp], HD6417706 Datasheet - Page 387

• Manufacturer Part Number: HD6417706
• Description: Renesas 32-Bit RISC Microcomputer Super RISC engine Family/SH7700 Series
• Manufacturer: RENESAS [Renesas Technology Corp]

13.4
13.4.1
All the registers should be set after the power is turned on.
13.4.2
Figure 13.2 shows how to set the time when the clock is stopped. This works when the entire
calendar or clock is to be set.
It is easy to set the time using a software program.
RTC Operation
Initial Settings of Registers after Power-On
Setting the Time
To reset the divider circuit (RTC prescaler
and R64CNT) and set the counter
Figure 13.2 Setting the Time
Set seconds, minutes,
week, month and year
hour, day, day of the
reset divider circuit
Stop clock,
Start clock
Write 0 to START and 1 to
RESET in the RCR2 register
Order is irrelevant
Write 1 to START in the
RCR2 register
Rev. 4.00, 03/04, page 341 of 660