Epson RX8010SJ Applications Manual page 35

Ex.2 This example is use only for clock functions.
START
Setting Digital offset.
30h
Setting the reserved bits
Reg − 17h, 31h
Reg − 1Dh
Reg − 1Eh
Reg − 1Fh
Setting the present time
Reg − 10h  16h
Setting the Alarm function
Reg −18h  1Ah
Setting the Timer function
Reg − 1Bh  1Ch
Stop cancellation
Reg − 1Fh
3) The setting of a clock and calendar
START
STOP  " 1 "
Write time
STOP  " 0 "
Next process
RX8010SJ
ETM37E-07
• Setup for Digital offset function.
When Digital offset function is not used, write 00h to 30h.
• Reserved bits have to write in specified fixed value in the case
of initialization by all means.
• Write 04h
• Write 00h
• Write 40h
Set STOP bit to "1" to prevent timer update in time setting.
•Set the present time.
• The alarm function stops by initialization of Reg 1Fh.
Reg - 18h to 1Ah can be used as a RAM register.
•The Timer function stops by initialization of Reg - 1Eh and Reg – 1Fh.
Reg – 1Bh to 1Ch can be used as a RAM register.
• Write 00h
Cancel STOP bit to "0" and start clock.
• Set STOP bit to "1" to prevent timer update in time setting.
• Write information of [ year / month /date [day of the week] hour:
minute: second ] which is necessary to set (or reset).
In case of initialization, please initialize all data.
• Cancel STOP bit to "0" and start (restart) timer movement.
Timer is started when clear STOP bit to "0".
 It is able to set time even if not combined use of STOP bit.
Please note that [ clock is started at the time of writing [second ] ] in
case STOP bit is not used.
Seiko Epson Corporation
14. Flow-chart
Jump to INDEX
34