IBM EM78P259N/260N manual Contents

				Contents
Contents
1	General Description			1
2	Features			1
3	Pin Assignment			2
4	Block Diagram			2
5	Pin Description			3
	5.1	EM78P259NP/M		3
	5.2	EM78P260NP/M/KM		4
6	Function Description			5
	6.1	Operational Registers		5
		6.1.1	R0 (Indirect Address Register)	5
		6.1.2	R1 (Time Clock /Counter)	5
		6.1.3	R2 (Program Counter) and Stack	5
			6.1.3.1 Data Memory Configuration	7
		6.1.4	R3 (Status Register)	8
		6.1.5	R4 (RAM Select Register)	8
		6.1.6	R5 ~ R6 (Port 5 ~ Port 6)	9
		6.1.7	R7 (Port 7)	9
		6.1.8	R8 (AISR: ADC Input Select Register)	10
		6.1.9	R9 (ADCON: ADC Control Register)	11
		6.1.10	RA (ADOC: ADC Offset Calibration Register)	12
		6.1.11	RB (ADDATA: Converted Value of ADC)	12
		6.1.12	RC (ADDATA1H: Converted Value of ADC)	13
		6.1.13	RD (ADDATA1L: Converted Value of ADC)	13
		6.1.14	RE (Interrupt Status 2 & Wake-up Control Register)	13
		6.1.15	RF (Interrupt Status 2 Register)	14
		6.1.16	R10 ~ R3F	14
	6.2	Special Purpose Registers		15
		6.2.1	A (Accumulator)	15
		6.2.2	CONT (Control Register)	15
		6.2.3	IOC50 ~ IOC70 (I/O Port Control Register)	16
		6.2.4	IOC80 (Comparator and TCCA Control Register)	16
		6.2.5	IOC90 (TCCB and TCCC Control Register)	17
		6.2.6	IOCA0 (IR and TCCC Scale Control Register)	18
		6.2.7	IOCB0 (Pull-down Control Register)	20
		6.2.8	IOCC0 (Open-Drain Control Register)	20
		6.2.9	IOCD0 (Pull-high Control Register)	21
		6.2.10	IOCE0 (WDT Control & Interrupt Mask Registers 2)	21
		6.2.11	IOCF0 (Interrupt Mask Register)	22
		6.2.12	IOC51 (TCCA Counter)	23
Product Specification (V1.2) 05.18.2007				• iii