Datasheet

35 Software examples
Index Name Index Name
00h Seconds 08h Month
01h Seconds Alarm 09h Year
02h Minutes 0Ah Register A
03h Minutes Alarm 0Bh Register B
04h Hours 0Ch Register C
05h Hours Alarm 0Dh Register D
06h Day of Week 0Eh–7Fh 114 Bytes of User RAM
07h Day of Month
Table 16. RTC (Standard) RAM Bank
An0065. CPU-1450 Soft Power Management
The I/O locations 70h and 71h are the standard ISA location for the real-time clock.