Month Register (Monr) - Fujitsu F2MC-8FX Hardware Manual

27.3.12

Month Register (MONR)

The Month Register is used to hold the month information.
Month Register (MONR)
MONR (Real time clock month register)
Address
0FFB
* R/W : Readable and writable, - : Unused, X : Indeterminate
R0/WX : Read 0 and write has no effect on operation
This register holds the updated month value in binary form. During reading the current value in month
counter is read. The most significant 4 bits read as "0000". In order to have proper operation, month value
must be adequately set between 00H (0000B or January) and 0BH (1011B or December) inclusive. please
note that only the latched value (not the value being continuously updated in the counters) is read from
register while RTCCRL:CL is equal to "1".
Figure 27.3-13 Month Register (MONR)
Bit 7 Bit 6 Bit 5
- - -
H
R0/WX R0/WX R0/WX R0 /WX
Bit 4 Bit 3 Bit 2 Bit 1
- MON3 MON2 MON1 MON0
R/W R/W R/W
CHAPTER 27 REAL TIME CLOCK
Bit 0 Initial value
0000XXXX
B
R/W
505