Fujitsu FR81S User Manual
CHAPTER 28: REAL-TIME CLOCK(RTC)
4. Registers
FUJITSU SEMICONDUCTOR LIMITED
CHAPTER
: REAL-TIME CLOCK(RTC)
FUJITSU SEMICONDUCTOR CONFIDENTIAL
6
4. Registers
This section explains registers of the real-time clock (RTC).
Table 4-1 Registers Map
Address
Registers
Register function
+0
+1
+2
+3
0x055C
Reserved
Reserved
WTDR
Day/Hour/Minute/Second
Registers(day)
0x0560
Reserved
WTCR
RTC control register
0x0564
Reserved
WTBR
Sub-second register
0x0568
WTHR
WTMR
WTSR
Reserved
Day/Hour/Minute/Second
registers(hour)
Day/Hour/Minute/Second
registers(minute)
Day/Hour/Minute/Second
registers(second)
MB91520 Series
MN705-00010-1v0-E
1045