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150 EPSON S1C63558 TECHNICAL MANUAL
CHAPTER 4: PERIPHERAL CIRCUITS AND OPERATION (Interrupt and HALT)
Table 4.16.4.1(b) Control bits of interrupt (2)
Address Comment
D3 D2
Register
D1 D0 Name Init
∗1
10
FFF6H
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)
FFF5H
000IK1
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)
FFF7H
00ISW1 ISW10
R R/W
0
∗
3
0
∗
3
ISW1
ISW10
–
∗
2
–
∗
2
0
0
(R)
Yes
(W)
Reset
(R)
No
(W)
Invalid
Unused
Unused
Interrupt factor flag (Stopwatch timer 1 Hz)
Interrupt factor flag (Stopwatch timer 10 Hz)
FFF9H
000ID
R R/W
0
∗
3
0
∗
3
0
∗
3
ID
–
∗
2
–
∗
2
–
∗
2
0
(R)
Yes
(W)
Reset
(R)
No
(W)
Invalid
Unused
Unused
Unused
Interrupt factor flag (Dialer)
FFF2H
00IPT1 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)
Interrupt factor flag (Programmable timer 0)
FFF3H
0 ISER ISTR ISRC
R R/W
0
∗
3
ISER
ISTR
ISRC
–
∗
2
0
0
0
(R)
Yes
(W)
Reset
(R)
No
(W)
Invalid
Unused
Interrupt factor flag (Serial I/F (1) error)
Interrupt factor flag (Serial I/F (1) transmit completion)
Interrupt factor flag (Serial I/F (1) receive completion)
FFF4H
000IK0
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)
FFF8H
0 ISERS ISTRS ISRCS
R R/W
0
∗
3
ISERS
ISTRS
ISRCS
–
∗
2
0
0
0
(R)
Yes
(W)
Reset
(R)
No
(W)
Invalid
Unused
Interrupt factor flag (Serial I/F (2) error)
Interrupt factor flag (Serial I/F (2) transmit completion)
Interrupt factor flag (Serial I/F (2) receive completion)
FFFAH
00IRDET ICDET
R R/W
0
∗
3
0
∗
3
IRDET
ICDET
–
∗
2
–
∗
2
0
0
(R)
Yes
(W)
Reset
(R)
No
(W)
Invalid
Unused
Unused
Interrupt factor flag (FSK demodulator ring detection)
Interrupt factor flag (FSK demodulator carrier detection)
*1 Initial value at initial reset *3 Constantly "0" when being read
*2 Not set in the circuit
EID: Interrupt mask register (FFE9H•D0)
ID: Interrupt factor flag (FFF9H•D0)
Refer to Section 4.14, "Telephone Function".
RDETCP, CDETCP: RDETP, CDET comparison registers (FF67H•D1, D0)
EIRDET, EICDET: Interrupt mask registers (FFEAH•D1, D0)
IRDET, ICDET: Interrupt factor flags (FFFAH•D1, D0)
Refer to Section 4.15, "FSK Demodulator".
EIPT1, EIPT0: Interrupt mask registers (FFE2H•D1, D0)
IPT1, IPT0: Interrupt factor flags (FFF2H•D1, D0)
Refer to Section 4.10, "Programmable Timer".
EISER, EISTR, EISRC: Interrupt mask registers (FFE3H•D2–D0)
EISERS, EISTRS, EISRCS: Interrupt mask registers (FFE8H•D2–D0)
ISER, ISTR, ISRC: Interrupt factor flags (FFF3H•D2–D0)
ISERS, ISTRS, ISRCS: Interrupt factor flags (FFF8H•D2–D0)
Refer to Section 4.11, "Serial Interface".