0X5021: Stopwatch Timer Bcd Counter Register (Swt_Bcnt) - Epson S1C17704 Technical Manual

16 STOPWATCH TIMER (SWT)

0x5021: Stopwatch Timer BCD Counter Register (SWT_BCNT)

Register name Address Bit
Stopwatch 0x5021 D7–4 BCD10[3:0] 1/10 sec. BCD counter value
Timer BCD (8 bits)
Counter Register D3–0 BCD100[3:0] 1/100 sec. BCD counter value
(SWT_BCNT)
D[7:4] BCD10[3:0]: 1/10 Sec. BCD Counter Value
The 1/10-second counter data can be read. (Default: 0)
This is a read-only register, so the writing operation is invalid.
D[3:0] BCD100[3:0]: 1/100 Sec. BCD Counter Value
The 1/100-second counter data can be read. (Default: 0)
This is a read-only register, so the writing operation is invalid.
Note: If this register is read while the counter is running, the read value may not represent the current
counter value (an indefinite value may be read out).
The counter value should be obtained by one of the following procedures:
• Read the counter value after stopping the counter.
• Read the counter value twice to determine that both read results are the same and that the
read value is significant.
16-10
Name Function
EPSON
Setting Init. R/W
0 to 9 0 R
0 to 9 0 R
S1C17704 TECHNICAL MANUAL
Remarks