IBM EM78P809N manual Window Mode Timing Chart, Registers for Timer/Counter 3 Circuit

EM78P809N

8-Bit Microcontroller

TC2 pin

Internal clock

Up-counter	0 1	2	n-3 n-2	n-1	n 0 1 2	3
TCR2	n			match	counter
					clear

TC2 interrupt

Fig. 22. Window Mode Timing Chart

4.10 Timer/Counter 3

Registers for Timer/Counter 3 Circuit

R_BANK Address

NAME Bit 7 Bit 6 Bit 5

Bit 4 Bit 3 Bit 2 Bit 1 Bit 0

BANK 1	0X05	TC3CR	TC3CAP	TC3S	TC3CK1		TC3CK0	TC3M	0	0	0
			R/W	R/W	R/W		R/W	R/W	--	--	--
BANK 1	0X06	TC3DA	TC3DA7	TC3DA6	TC3DA5		TC3DA4	TC3DA3	TC3DA2	TC3DA1	TC3DA0
			R/W	R/W	R/W		R/W	R/W	R/W	R/W	R/W
BANK 1	0X07	TC3DB	TC3DB7	TC3DB6	TC3DB5		TC3DB4	TC3DB3	TC3DB2	TC3DB1	TC3DB0
			R/W	R/W	R/W		R/W	R/W	R/W	R/W	R/W
BANK 0	0x0E	ISFR1	EXIF5	TCIF2	ADIF	0		EXIF3	TCIF4	SPIF	TCIF3
			R/W	R/W	R/W	--		R/W	R/W	R/W	R/W
SFR	0x0B	INTCR	INT1NR	INT0EN	0		INT3ES1	INT3ES0	0	INT1ES	TC2ES
			R/W	R/W	--		R/W	R/W	--	R/W	R/W
SFR	0x0E	IMR1	EXIE5	TCIE2	ADIE	0		EXIE3	TCIE4	SPIE	TCIE3
			R/W	R/W	R/W	--		R/W	R/W	R/W	R/W

42 • Product Specification (V1.0) 07.26.2005

(This specification is subject to change without further notice)