Contents
Contents
1
2
3
General Description.................................................................................................. 1
Features..................................................................................................................... 1
Pin Configurations (Package).................................................................................. 2
3.1 EM78P417NP/M Pin Description ....................................................................... 2
3.2 EM78P418NP/M Pin Description ....................................................................... 3
3.3 EM78P419NK/M Pin Description ....................................................................... 3
Functional Block Diagram........................................................................................ 4
4
5
Pin Description.......................................................................................................... 5
5.1 EM78P417NP/M Pin Description ....................................................................... 5
5.2 EM78P418NP/M Pin Description ....................................................................... 6
5.3 EM78P419NK/M Pin Description ....................................................................... 7
Function Description................................................................................................ 8
6
6.1 Operational Registers......................................................................................... 8
6.1.1 R0 (Indirect Address Register)...........................................................................8
6.1.2 R1 (Time Clock /Counter)....................................................................................8
6.1.3 R2 (Program Counter) and Stack........................................................................8
6.1.4 R3 (Status Register)..........................................................................................11
6.1.5 R4 (RAM Select Register).................................................................................11
6.1.6 R5 ~ R7 (Port 5 ~ Port 7) ..................................................................................12
6.1.7 R8 (AISR: ADC Input Select Register)..............................................................12
6.1.8 R9 (ADCON: ADC Control Register).................................................................13
6.1.9 RA (ADOC: ADC Offset Calibration Register)...................................................14
6.1.10 RB (ADDATA: Converted Value of ADC)...........................................................15
6.1.11 RC (ADDATA1H: Converted Value of ADC ).....................................................15
6.1.12 RD (ADDATA1L: Converted Value of ADC ) .....................................................15
6.1.13 RE (WUCR: Wake- Up Control Register)..........................................................15
6.1.14 RF (Interrupt Status Register) ...........................................................................17
6.1.15 R10 ~ R3F.........................................................................................................17
6.2 Special Purpose Registers ............................................................................... 18
6.2.1 A (Accumulator).................................................................................................18
6.2.2 CONT (Control Register)...................................................................................18
6.2.3 IOC50 ~ IOC70 (I/O Port Control Register) ......................................................19
6.2.4 IOC80 (PWMCON: PWM Control Register)......................................................19
6.2.5 IOC90 (TMRCON: TIMER Control Register) ....................................................20
6.2.6 IOCA0 (CMPCON: Comparator Control Register)............................................21
6.2.7 IOCB0 (Pull-Down Control Register).................................................................21
6.2.8 IOCC0 (Open-Drain Control Register) ..............................................................22
Product Specification (V1.0) 06.23.2005
• iii
ELAN [ ELAN MICROELECTRONICS CORP ]
