Epson S1C33L03 manual 582

APPENDIX: I/O MAP

Register name	Address	Bit	Name	Function				Setting				Init.	R/W	Remarks
16-bit timer 3	004014A	D7–4	–	reserved					–			–	–	0 when being read.
clock control	(B)	D3	P16TON3	16-bit timer 3 clock control	1	On				0	Off	0	R/W
register		D2	P16TS32	16-bit timer 3	P16TS3[2:0]					Division ratio		0	R/W	θ: selected by
		D1	P16TS31	clock division ratio selection	1		1	1			θ/4096	0		Prescaler clock select
		D0	P16TS30		1		1	0			θ/1024	0		register (0x40181)
					1		0	1			θ/256
					1		0	0			θ/64
					0		1	1			θ/16
					0		1	0			θ/4
					0		0	1			θ/2
					0		0	0			θ/1
16-bit timer 4	004014B	D7–4	–	reserved					–			–	–	0 when being read.
clock control	(B)	D3	P16TON4	16-bit timer 4 clock control	1	On				0	Off	0	R/W
register		D2	P16TS42	16-bit timer 4	P16TS4[2:0]					Division ratio		0	R/W	θ: selected by
		D1	P16TS41	clock division ratio selection	1		1	1			θ/4096	0		Prescaler clock select
		D0	P16TS40		1		1	0			θ/1024	0		register (0x40181)
					1		0	1			θ/256
					1		0	0			θ/64
					0		1	1			θ/16
					0		1	0			θ/4
					0		0	1			θ/2
					0		0	0			θ/1
16-bit timer 5	004014C	D7–4	–	reserved					–			–	–	0 when being read.
clock control	(B)	D3	P16TON5	16-bit timer 5 clock control	1	On				0	Off	0	R/W
register		D2	P16TS52	16-bit timer 5	P16TS5[2:0]					Division ratio		0	R/W	θ: selected by
		D1	P16TS51	clock division ratio selection	1		1	1			θ/4096	0		Prescaler clock select
		D0	P16TS50		1		1	0			θ/1024	0		register (0x40181)
					1		0	1			θ/256
					1		0	0			θ/64
					0		1	1			θ/16
					0		1	0			θ/4
					0		0	1			θ/2
					0		0	0			θ/1
8-bit timer 0/1	004014D	D7	P8TON1	8-bit timer 1 clock control	1	On				0	Off	0	R/W
clock control	(B)	D6	P8TS12	8-bit timer 1	P8TS1[2:0]					Division ratio		0	R/W	θ: selected by
register		D5	P8TS11	clock division ratio selection	1		1	1			θ/4096	0		Prescaler clock select
		D4	P8TS10		1		1	0			θ/2048	0		register (0x40181)
					1		0	1			θ/1024
					1		0	0			θ/512			8-bit timer 1 can
					0		1	1			θ/256			generate the OSC3
					0		1	0			θ/128			oscillation-stabilize
					0		0	1			θ/64			waiting period.
					0		0	0			θ/32
		D3	P8TON0	8-bit timer 0 clock control	1	On				0	Off	0	R/W
		D2	P8TS02	8-bit timer 0	P8TS0[2:0]					Division ratio		0	R/W	θ: selected by
		D1	P8TS01	clock division ratio selection	1		1	1			θ/256	0		Prescaler clock select
		D0	P8TS00		1		1	0			θ/128	0		register (0x40181)
					1		0	1			θ/64
					1		0	0			θ/32			8-bit timer 0 can
					0		1	1			θ/16			generate the DRAM
					0		1	0			θ/8			refresh clock.
					0		0	1			θ/4
					0		0	0			θ/2

B-APPENDIX-2 EPSON S1C33L03 FUNCTION PART