0X5020: Stopwatch Timer Control Register (Swt_Ctl) - Epson S1C17704 Technical Manual

0x5020: Stopwatch Timer Control Register (SWT_CTL)

Register name Address Bit
Stopwatch 0x5020 D7–5 –
Timer Control (8 bits)
D4
Register
D3–1 –
(SWT_CTL)
D0
D[7:5] Reserved
D4 SWTRST: Stopwatch Timer Reset Bit
Resets the stopwatch timer.
1 (W): Reset
0 (W): Has no effect
0 (R): Always 0 when read (default)
Writing 1 to this bit resets the counter to 0x0. When the stopwatch timer is reset in Run state, it restarts
immediately after resetting. In Stop state, the counter maintains 0x0.
D[3:1] Reserved
D0 SWTRUN: Stopwatch Timer Run/Stop Control Bit
Starts/stops the stopwatch timer.
1 (R/W): Run
0 (R/W): Stop (default)
The stopwatch timer starts counting by writing 1 to SWTRUN and stops by writing 0. In Stop state, the
counter data is retained until the timer is reset or placed in a Run state.
S1C17704 TECHNICAL MANUAL
Name Function
reserved
SWTRST Stopwatch timer reset
reserved
SWTRUN Stopwatch timer run/stop control
EPSON
16 STOPWATCH TIMER (SWT)
Setting Init. R/W
–
1 Reset 0 Ignored
–
1 Run 0 Stop
Remarks
– – 0 when being read.
0 W
– –
0 R/W
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