Epson S1C63558 ID: Interrupt factor flag (FFF9H•D0), EID: Interrupt mask register (FFE9H•D0), Refer to Section 4.15, "FSK Demodulator

CHAPTER 4: PERIPHERAL CIRCUITS AND OPERATION (Interrupt and HALT)

Table 4.16.4.1(b) Control bits of interrupt (2)

Address			Register							Comment
	D3		D2	D1	D0	Name	Init ∗ 1	1	0
	0		0	IPT1	IPT0	0 ∗ 3	– ∗ 2	(R)	(R)	Unused
						0 ∗ 3	– ∗ 2	Yes	No	Unused
FFF2H
		R		R/W		IPT1	0	(W)	(W)	Interrupt factor flag (Programmable timer 1)
						IPT0	0	Reset	Invalid	Interrupt factor flag (Programmable timer 0)
	0		ISER	ISTR	ISRC	0 ∗ 3	– ∗ 2	(R)	(R)	Unused
						ISER	0	Yes	No	Interrupt factor flag (Serial I/F (1) error)
FFF3H
	R			R/W		ISTR	0	(W)	(W)	Interrupt factor flag (Serial I/F (1) transmit completion)
						ISRC	0	Reset	Invalid	Interrupt factor flag (Serial I/F (1) receive completion)
	0		0	0	IK0	0 ∗ 3	– ∗ 2	(R)	(R)	Unused
						0 ∗ 3	– ∗ 2	Yes	No	Unused
FFF4H
			R		R/W	0 ∗ 3	– ∗ 2	(W)	(W)	Unused
						IK0	0	Reset	Invalid	Interrupt factor flag (K00–K03)
	0		0	0	IK1	0 ∗ 3	– ∗ 2	(R)	(R)	Unused
						0 ∗ 3	– ∗ 2	Yes	No	Unused
FFF5H
			R		R/W	0 ∗ 3	– ∗ 2	(W)	(W)	Unused
						IK1	0	Reset	Invalid	Interrupt factor flag (K10–K13)
	IT3		IT2	IT1	IT0	IT3	0	(R)	(R)	Interrupt factor flag (Clock timer 1 Hz)
						IT2	0	Yes	No	Interrupt factor flag (Clock timer 2 Hz)
FFF6H
			R/W			IT1	0	(W)	(W)	Interrupt factor flag (Clock timer 8 Hz)
						IT0	0	Reset	Invalid	Interrupt factor flag (Clock timer 32 Hz)
	0		0	ISW1	ISW10	0 ∗ 3	– ∗ 2	(R)	(R)	Unused
						0 ∗ 3	– ∗ 2	Yes	No	Unused
FFF7H
		R		R/W		ISW1	0	(W)	(W)	Interrupt factor flag (Stopwatch timer 1 Hz)
						ISW10	0	Reset	Invalid	Interrupt factor flag (Stopwatch timer 10 Hz)
	0		ISERS	ISTRS	ISRCS	0 ∗ 3	– ∗ 2	(R)	(R)	Unused
						ISERS	0	Yes	No	Interrupt factor flag (Serial I/F (2) error)
FFF8H
	R			R/W		ISTRS	0	(W)	(W)	Interrupt factor flag (Serial I/F (2) transmit completion)
						ISRCS	0	Reset	Invalid	Interrupt factor flag (Serial I/F (2) receive completion)
	0		0	0	ID	0 ∗ 3	– ∗ 2	(R)	(R)	Unused
						0 ∗ 3	– ∗ 2	Yes	No	Unused
FFF9H
			R		R/W	0 ∗ 3	– ∗ 2	(W)	(W)	Unused
						ID	0	Reset	Invalid	Interrupt factor flag (Dialer)
	0		0	IRDET	ICDET	0 ∗ 3	– ∗ 2	(R)	(R)	Unused
						0 ∗ 3	– ∗ 2	Yes	No	Unused
FFFAH
		R		R/W		IRDET	0	(W)	(W)	Interrupt factor flag (FSK demodulator ring detection)
						ICDET	0	Reset	Invalid	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".

150 EPSON S1C63558 TECHNICAL MANUAL