Epson S1C63558 Table 4.1.1 (g) I/O memory map (FFE2H–FFF7H)

CHAPTER 4: PERIPHERAL CIRCUITS AND OPERATION (Memory Map)

Table 4.1.1 (g) I/O memory map (FFE2H–FFF7H)

Address			Register							Comment
	D3		D2	D1	D0	Name	Init ∗ 1	1	0
	0		0	EIPT1	EIPT0	0 ∗ 3	– ∗ 2			Unused
						0 ∗ 3	– ∗ 2			Unused
FFE2H
		R		R/W		EIPT1	0	Enable	Mask	Interrupt mask register (Programmable timer 1)
						EIPT0	0	Enable	Mask	Interrupt mask register (Programmable timer 0)
	0		EISER	EISTR	EISRC	0 ∗ 3	– ∗ 2			Unused
						EISER	0	Enable	Mask	Interrupt mask register (Serial I/F (1) error)
FFE3H
	R			R/W		EISTR	0	Enable	Mask	Interrupt mask register (Serial I/F (1) transmit completion)
						EISRC	0	Enable	Mask	Interrupt mask register (Serial I/F (1) receive completion)
	0		0	0	EIK0	0 ∗ 3	– ∗ 2			Unused
						0 ∗ 3	– ∗ 2			Unused
FFE4H
			R		R/W	0 ∗ 3	– ∗ 2			Unused
						EIK0	0	Enable	Mask	Interrupt mask register (K00–K03)
	0		0	0	EIK1	0 ∗ 3	– ∗ 2			Unused
						0 ∗ 3	– ∗ 2			Unused
FFE5H
			R		R/W	0 ∗ 3	– ∗ 2			Unused
						EIK1	0	Enable	Mask	Interrupt mask register (K10–K13)
	EIT3		EIT2	EIT1	EIT0	EIT3	0	Enable	Mask	Interrupt mask register (Clock timer 1 Hz)
						EIT2	0	Enable	Mask	Interrupt mask register (Clock timer 2 Hz)
FFE6H
			R/W			EIT1	0	Enable	Mask	Interrupt mask register (Clock timer 8 Hz)
						EIT0	0	Enable	Mask	Interrupt mask register (Clock timer 32 Hz)
	0		0	EISW1	EISW10	0 ∗ 3	– ∗ 2			Unused
						0 ∗ 3	– ∗ 2			Unused
FFE7H
		R		R/W		EISW1	0	Enable	Mask	Interrupt mask register (Stopwatch timer 1 Hz)
						EISW10	0	Enable	Mask	Interrupt mask register (Stopwatch timer 10 Hz)
	0		EISERS	EISTRS	EISRCS	0 ∗ 3	– ∗ 2			Unused
FFE8H						EISERS	0	Enable	Mask	Interrupt mask register (Serial I/F (2) error)
	R			R/W		EISTRS	0	Enable	Mask	Interrupt mask register (Serial I/F (2) transmit completion)
						EISRCS	0	Enable	Mask	Interrupt mask register (Serial I/F (2) receive completion)
	0		0	0	EID	0 ∗ 3	– ∗ 2			Unused
						0 ∗ 3	– ∗ 2			Unused
FFE9H
			R		R/W	0 ∗ 3	– ∗ 2			Unused
						EID	0	Enable	Mask	Interrupt mask register (Dialer)
	0		0	EIRDET	EICDET	0 ∗ 3	– ∗ 2			Unused
						0 ∗ 3	– ∗ 2			Unused
FFEAH
		R		R/W		EIRDET	0	Enable	Mask	Interrupt mask register (FSK demodulator ring detection)
						EICDET	0	Enable	Mask	Interrupt mask register (FSK demodulator carrier detection)
	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)

S1C63558 TECHNICAL MANUAL EPSON 21