Epson S1C33L03 manual 286

III PERIPHERAL BLOCK: 8-BIT PROGRAMMABLE TIMERS

Register name	Address	Bit	Name	Function		Setting			Init.	R/W	Remarks
8-bit timer	0040275	D7–4	–	reserved		–			–	–	0 when being read.
interrupt	(B)	D3	E8TU3	8-bit timer 3 underflow	1	Enabled	0	Disabled	0	R/W
enable register		D2	E8TU2	8-bit timer 2 underflow					0	R/W
		D1	E8TU1	8-bit timer 1 underflow					0	R/W
		D0	E8TU0	8-bit timer 0 underflow					0	R/W
8-bit timer	0040285	D7–4	–	reserved		–			–	–	0 when being read.
interrupt factor	(B)	D3	F8TU3	8-bit timer 3 underflow	1	Factor is	0	No factor is	X	R/W
flag register		D2	F8TU2	8-bit timer 2 underflow		generated		generated	X	R/W
		D1	F8TU1	8-bit timer 1 underflow					X	R/W
		D0	F8TU0	8-bit timer 0 underflow					X	R/W
16-bit timer 5,	0040292	D7	RSTX0	SIF Ch.0 transmit buffer empty	1	IDMA	0	Interrupt	0	R/W
8-bit timer,	(B)	D6	RSRX0	SIF Ch.0 receive buffer full		request		request	0	R/W
serial I/F Ch.0		D5	R8TU3	8-bit timer 3 underflow					0	R/W
IDMA request		D4	R8TU2	8-bit timer 2 underflow					0	R/W
register		D3	R8TU1	8-bit timer 1 underflow					0	R/W
		D2	R8TU0	8-bit timer 0 underflow					0	R/W
		D1	R16TC5	16-bit timer 5 comparison A					0	R/W
		D0	R16TU5	16-bit timer 5 comparison B					0	R/W
16-bit timer 5,	0040296	D7	DESTX0	SIF Ch.0 transmit buffer empty	1	IDMA	0	IDMA	0	R/W
8-bit timer,	(B)	D6	DESRX0	SIF Ch.0 receive buffer full		enabled		disabled	0	R/W
serial I/F Ch.0		D5	DE8TU3	8-bit timer 3 underflow					0	R/W
IDMA enable		D4	DE8TU2	8-bit timer 2 underflow					0	R/W
register		D3	DE8TU1	8-bit timer 1 underflow					0	R/W
		D2	DE8TU0	8-bit timer 0 underflow					0	R/W
		D1	DE16TC5	16-bit timer 5 comparison A					0	R/W
		D0	DE16TU5	16-bit timer 5 comparison B					0	R/W
P1 function	00402D4	D7	–	reserved		–			–	–	0 when being read.
select register	(B)	D6	CFP16	P16 function selection	1	EXCL5	0	P16	0	R/W
						#DMAEND1
		D5	CFP15	P15 function selection	1	EXCL4	0	P15	0	R/W
						#DMAEND0
		D4	CFP14	P14 function selection	1	FOSC1	0	P14	0	R/W	Extended functions
											(0x402DF)
		D3	CFP13	P13 function selection	1	EXCL3	0	P13	0	R/W
						T8UF3
		D2	CFP12	P12 function selection	1	EXCL2	0	P12	0	R/W
						T8UF2
		D1	CFP11	P11 function selection	1	EXCL1	0	P11	0	R/W
						T8UF1
		D0	CFP10	P10 function selection	1	EXCL0	0	P10	0	R/W
						T8UF0
P1 I/O control	00402D6	D7	–	reserved		–			–	–	0 when being read.
register	(B)	D6	IOC16	P16 I/O control	1	Output	0	Input	0	R/W	This register
		D5	IOC15	P15 I/O control					0	R/W	indicates the values
		D4	IOC14	P14 I/O control					0	R/W	of the I/O control
		D3	IOC13	P13 I/O control					0	R/W	signals of the ports
		D2	IOC12	P12 I/O control					0	R/W	when it is read. (See
		D1	IOC11	P11 I/O control					0	R/W	detailed explanation.)
		D0	IOC10	P10 I/O control					0	R/W
Port function	00402DF	D7	CFEX7	P07 port extended function	1	#DMAEND3	0	P07, etc.	0	R/W
extension	(B)	D6	CFEX6	P06 port extended function	1	#DMAACK3	0	P06, etc.	0	R/W
register		D5	CFEX5	P05 port extended function	1	#DMAEND2	0	P05, etc.	0	R/W
		D4	CFEX4	P04 port extended function	1	#DMAACK2	0	P04, etc.	0	R/W
		D3	CFEX3	P31 port extended function	1	#GARD	0	P31, etc.	0	R/W
		D2	CFEX2	P21 port extended function	1	#GAAS	0	P21, etc.	0	R/W
		D1	CFEX1	P10, P11, P13 port extended	1	DST0	0	P10, etc.	1	R/W
				function		DST1		P11, etc.
						DPC0		P13, etc.
		D0	CFEX0	P12, P14 port extended function	1	DST2	0	P12, etc.	1	R/W
						DCLK		P14, etc.

B-III-3-12 EPSON S1C33L03 FUNCTION PART