Epson S1C63616 Technical Manual page 38

Register
Address
D3 D2 D1
IRUN ILAP ISW1
FFFDH
R/W
IT3 IT2 IT1
FFFEH
R/W
IT7 IT6 IT5
FFFFH
R/W
Table 4.1.1 (o) I/O memory map (FFFDH-FFFFH)
∗1
D0 Name Init 1
IRUN 0 (R)
ISW10
ILAP 0 Yes
ISW1 0 (W)
ISW10 0 Reset
IT3 0 (R)
IT0
IT2 0 Yes
IT1 0 (W)
IT0 0 Reset
IT7 0 (R)
IT4
IT6 0 Yes
IT5 0 (W)
IT4 0 Reset
0
(R) Interrupt factor flag (Stopwatch direct RUN)
No
Interrupt factor flag (Stopwatch direct LAP)
(W) Interrupt factor flag (Stopwatch timer 1 Hz)
Invalid Interrupt factor flag (Stopwatch timer 10 Hz)
(R)
Interrupt factor flag (Clock timer 16 Hz)
No Interrupt factor flag (Clock timer 32 Hz)
(W)
Interrupt factor flag (Clock timer 64 Hz)
Invalid Interrupt factor flag (Clock timer 128 Hz)
(R) Interrupt factor flag (Clock timer 1 Hz)
No
Interrupt factor flag (Clock timer 2 Hz)
(W) Interrupt factor flag (Clock timer 4 Hz)
Invalid
Interrupt factor flag (Clock timer 8 Hz)
SIC63616-(Rev. 1.0) NO. P31
Comment
3240-0412