Resetting The Clock Timer - Epson S1C17704 Technical Manual

15 CLOCK TIMER (CT)

15.3 Resetting the Clock Timer

To reset the clock timer, write 1 to the CTRST bit (D4/CT_CTL register). This initializes the counter to 0.
∗ CTRST: Clock Timer Reset Bit in the Clock Timer Control (CT_CTL) Register (D4/0x5000)
The counter is also initialized to 0 at initial reset.
EPSON
S1C17704 TECHNICAL MANUAL 15-3