Epson S1C63558 Table 4.1.1 (c) I/O memory map (FF44H–FF4DH)

CHAPTER 4: PERIPHERAL CIRCUITS AND OPERATION (Memory Map)

Table 4.1.1 (c) I/O memory map (FF44H–FF4DH)

Address		Register									Comment
	D3	D2	D1	D0	Name	Init ∗ 1	1	0
					IOC13	0	Output	Input	P13	I/O control register
	IOC13	IOC12	IOC11	IOC10					General-purpose register when SIF (clock sync. slave) is selected
					IOC12	0	Output	Input	P12	I/O control register
FF44H									General-purpose register when SIF (clock sync.) is selected
					IOC11	0	Output	Input	P11	I/O control register (ESIF=0)
		R/W							General-purpose register when SIF is selected
					IOC10	0	Output	Input	P10	I/O control register (ESIF=0)
									General-purpose register when SIF is selected
					PUL13	1	On	Off	P13 pull-up control register
									General-purpose register when SIF (clock sync. slave) is selected
	PUL13	PUL12	PUL11	PUL10	PUL12	1	On	Off	P12 pull-up control register
									General-purpose register when SIF (clock sync. master) is selected
											(I) pull-up control register
FF45H									SCLK
									when SIF (clock sync. slave) is selected
					PUL11	1	On	Off	P11 pull-up control register (ESIF=0)
		R/W							General-purpose register when SIF is selected
					PUL10	1	On	Off	P10 pull-up control register (ESIF=0)
									SIN pull-up control register when SIF is selected
					P13	– ∗ 2	High	Low	P13	I/O port data
	P13	P12	P11	P10					General-purpose register when SIF (clock sync. slave) is selected
	(XSRDY)	(XSCLK)	(SOUT)	(SIN)	P12	– ∗ 2	High	Low	P12	I/O port data
FF46H									General-purpose register when SIF (clock sync.) is selected
					P11	– ∗ 2	High	Low	P11	I/O port data (ESIF=0)
		R/W							General-purpose register when SIF is selected
					P10	– ∗ 2	High	Low	P10	I/O port data (ESIF=0)
									General-purpose register when SIF is selected
					IOC23	0	Output	Input	P23	I/O control register (EXLCDC=0)
	IOC23	IOC22	IOC21	IOC20					General-purpose register when FR output is selected
FF48H					IOC22	0	Output	Input	P22	I/O control register (EXLCDC=0)
									General-purpose register when CL output is selected
		R/W			IOC21	0	Output	Input	P21	I/O control register
					IOC20	0	Output	Input	P20	I/O control register
					PUL23	1	On	Off	P23 pull-up control register (EXLCDC=0)
	PUL23	PUL22	PUL21	PUL20					General-purpose register when FR output is selected
FF49H					PUL22	1	On	Off	P22 pull-up control register (EXLCDC=0)
									General-purpose register when CL output is selected
		R/W			PUL21	1	On	Off	P21 pull-up control register
					PUL20	1	On	Off	P20 pull-up control register
	P23	P22			P23	– ∗ 2	High	Low	P23	I/O port data (EXLCDC=0)
			P21	P20					General-purpose register when FR output is selected
	(FR)	(CL)
					P22	– ∗ 2	High	Low	P22	I/O port data (EXLCDC=0)
FF4AH
									General-purpose register when CL output is selected
		R/W			P21	– ∗ 2	High	Low	P21	I/O port data
					P20	– ∗ 2	High	Low	P20	I/O port data
					IOC33	0	Output	Input	P33	I/O control register
	IOC33	IOC32	IOC31	IOC30					General-purpose register when SIF (clock sync. slave) is selected
					IOC32	0	Output	Input	P32	I/O control register
FF4CH									General-purpose register when SIF (clock sync.) is selected
					IOC31	0	Output	Input	P31	I/O control register (ESIFS=0)
		R/W							General-purpose register when SIF is selected
					IOC30	0	Output	Input	P30	I/O control register (ESIFS=0)
									General-purpose register when SIF is selected
					PUL33	1	On	Off	P33 pull-up control register
									General-purpose register when SIF (clock sync. slave) is selected
	PUL33	PUL32	PUL31	PUL30	PUL32	1	On	Off	P32 pull-up control register
									General-purpose register when SIF (clock sync. master) is selected
FF4DH									SCLK (I) pull-up control register
									when SIF (clock sync. slave) is selected
					PUL31	1	On	Off	P31 pull-up control register (ESIFS=0)
		R/W							General-purpose register when SIF is selected
					PUL30	1	On	Off	P30 pull-up control register (ESIFS=0)
									SIN pull-up control register when SIF is selected

S1C63558 TECHNICAL MANUAL EPSON 17