User`s manual

BL1600118 s Memory, I/O Map, and Interrupt Vectors
Table G-4. Epson 72421 Timer Registers 0x4000–0x400F
Address Name Data Bits Description
0x4000 SEC1 D7–D0 seconds
0x4001 D7–D0 10 seconds
0x4002 D7–D0 minutes
0x103 D7–D0 10 minutes
0x4004 D7–D0 hours
0x4005 D7–D0 10 hours
0x4006 D7–D0 days
0x4007 D7–D0 10 days
0x4008 D7–D0 months
0x4009 D7–D0 10 months
0x400A D7–D0 years
0x400B D7–D0 10 years
0x400C D7–D0 day of week
0x400D TREGD D7–D0 Register D
0x400E D7–D0 Register E
0x400F D7–D0 Register F
Epson 72421 Timer Registers 0x40000x400F
Table G-4 lists the Epson 72421 timer registers.