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EM78458 Datasheet(PDF) 3 Page - ELAN Microelectronics Corp |
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EM78458 Datasheet(HTML) 3 Page - ELAN Microelectronics Corp |
3 / 62 page Contents Product Specification (V1.4) 05.27.2005 • iii Contents 1 GENERAL DESCRIPTION ................................................................................................... 1 2 FEATURES ........................................................................................................................... 1 3 PIN ASSIGNMENT ............................................................................................................... 3 3.1 EM78458 Pin Description.............................................................................................3 3.2 EM78459 Pin Description.............................................................................................4 4 FUNCTION DESCRIPTION.................................................................................................. 5 4.1 Operational Registers ..................................................................................................5 4.1.1 R0 (Indirect Addressing Register) .................................................................................5 4.1.2 R1 (Time Clock /Counter)..............................................................................................5 4.1.3 R2 (Program Counter) & Stack......................................................................................5 4.1.4 R3 (Status Register) ......................................................................................................7 4.1.5 R4 (RAM Select Register) .............................................................................................7 4.1.6 R5 ~ R6 (Port 5 ~ Port 6)...............................................................................................7 4.1.7 R7 ~ R8 .........................................................................................................................7 4.1.8 R9 (ADCON: Analog to Digital Control).........................................................................9 4.1.9 RA (ADDATA: the converted value of ADC) ..................................................................9 4.1.10 RB..................................................................................................................................9 4.1.11 RC................................................................................................................................10 4.1.12 RD................................................................................................................................10 4.1.13 RE................................................................................................................................10 4.1.14 RF (Interrupt Status Register) .....................................................................................10 4.2.15 R10 ~ R3F ...................................................................................................................10 4.2 Special Purpose Registers ......................................................................................... 11 4.2.1 A (Accumulator) ...........................................................................................................11 4.2.2 CONT (Control Register) ............................................................................................. 11 4.2.3 IOC50 ~ IOC60 (I/O Port Control Register).................................................................12 4.2.4 IOC90 (GCON: I/O Configuration & Control of ADC ) .................................................12 4.2.5 IOCA0 ( AD-CMPCON ) .............................................................................................13 4.2.6 IOCB0 (Pull-down Control Register) ...........................................................................14 4.2.7 IOCC0 (Open-Drain Control Register) ........................................................................14 4.2.8 IOCD0 (Pull-high Control Register) .............................................................................15 4.2.9 IOCE0 (WDT Control Register) ...................................................................................15 4.2.10 IOCF0 (Interrupt Mask Register) .................................................................................16 4.2.11 IOC51 ( PWMCON ) ....................................................................................................17 4.2.12 IOC61 ( DT1L: the Least Significant Byte ( Bit 7 ~ Bit 0) of Duty Cycle of PWM1 ) .....................................................................17 4.2.13 IOC71 ( DT1H: the Most Significant Byte ( Bit 1 ~ Bit 0 ) of Duty Cycle of PWM1 ) ....................................................................18 4.2.14 IOC81 ( PRD1: Period of PWM1 )...............................................................................18 4.2.15 IOC91 ( DT2L: the Least Significant Byte ( Bit 7 ~ Bit 0 ) of Duty Cycle of PWM2 ) ..................................................................18 |
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