Datasheet

Section 10 Realtime Clock (RTC)
Rev. 3.00 Mar. 15, 2006 Page 148 of 526
REJ09B0060-0300
10.2 Input/Output Pin
Table 10.1 shows the RTC input/output pin.
Table 10.1 Pin Configuration
Name Abbreviation I/O Function
Clock output TMOW Output RTC divided clock output
10.3 Register Descriptions
The RTC has the following registers.
• Second data register/free running counter data register (RSECDR)
• Minute data register (RMINDR)
• Hour data register (RHRDR)
• Day-of-week data register (RWKDR)
• RTC control register 1 (RTCCR1)
• RTC control register 2 (RTCCR2)
• Clock source select register (RTCCSR)