S1C63656 TECHNICAL MANUAL
EPSON
25
CHAPTER 4: PERIPHERAL CIRCUITS AND OPERATION (Memory Map)
Table 4.1.1 (h) I/O memory map (FFF1H–FFF9H)
Address
Comment
D3
D2
Register
D1
D0
Name
Init
∗
1
1
0
FFF1H
0
0
IPT1
IPT0
R
R/W
0
∗
3
0
∗
3
IPT1
IPT0
–
∗
2
–
∗
2
0
0
(R)
Yes
(W)
Reset
(R)
No
(W)
Invalid
Unused
Unused
Interrupt factor flag (Programmable timer 1 underflow)
Interrupt factor flag (Programmable timer 0 underflow)
FFF2H
0
0
0
ISIF
R
R/W
0
∗
3
0
∗
3
0
∗
3
ISIF
–
∗
2
–
∗
2
–
∗
2
0
(R)
Yes
(W)
Reset
(R)
No
(W)
Invalid
Unused
Unused
Unused
Interrupt factor flag (Serial I/F)
FFF5H
FFF6H
IRUN
ILAP
ISW1
ISW10
R/W
IRUN
ILAP
ISW1
ISW10
0
0
0
0
(R)
Yes
(W)
Reset
(R)
No
(W)
Invalid
Interrupt factor flag (Stopwatch direct RUN)
Interrupt factor flag (Stopwatch direct LAP)
Interrupt factor flag (Stopwatch timer 1 Hz)
Interrupt factor flag (Stopwatch timer 10 Hz)
FFF7H
0
0
IRFB
IRFM
R
R/W
0
∗
3
0
∗
3
IRFB
IRFM
–
∗
2
–
∗
2
0
0
(R)
Yes
(W)
Reset
(R)
No
(W)
Invalid
Unused
Unused
Interrupt factor flag (R/f converter reference oscillate completion)
Interrupt factor flag (R/f converter sensor oscillate completion)
FFF8H
0
0
ISMD2
ISMD1
R
R/W
0
∗
3
0
∗
3
ISMD2
ISMD1
–
∗
2
–
∗
2
0
0
(R)
Yes
(W)
Reset
(R)
No
(W)
Invalid
Unused
Unused
Interrupt factor flag (Motor driver Ch. 2)
Interrupt factor flag (Motor driver Ch. 1)
IT3
IT2
IT1
IT0
R/W
IT3
IT2
IT1
IT0
0
0
0
0
(R)
Yes
(W)
Reset
(R)
No
(W)
Invalid
Interrupt factor flag (Clock timer 1 Hz)
Interrupt factor flag (Clock timer 2 Hz)
Interrupt factor flag (Clock timer 8 Hz)
Interrupt factor flag (Clock timer 32 Hz)
FFF3H
0
0
0
IK0
R
R/W
0
∗
3
0
∗
3
0
∗
3
IK0
–
∗
2
–
∗
2
–
∗
2
0
(R)
Yes
(W)
Reset
(R)
No
(W)
Invalid
Unused
Unused
Unused
Interrupt factor flag (K00–K03)
FFF4H
0
0
0
IK1
R
R/W
0
∗
3
0
∗
3
0
∗
3
IK1
–
∗
2
–
∗
2
–
∗
2
0
(R)
Yes
(W)
Reset
(R)
No
(W)
Invalid
Unused
Unused
Unused
Interrupt factor flag (K10–K13)
FFF9H
0
0
0
IT4
R
R/W
0
∗
3
0
∗
3
0
∗
3
IT4
–
∗
2
–
∗
2
–
∗
2
0
(R)
Yes
(W)
Reset
(R)
No
(W)
Invalid
Unused
Unused
Unused
Interrupt factor flag (Clock timer 16 Hz)