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EM78F651NDKMJ Datasheet(PDF) 3 Page - ELAN Microelectronics Corp |
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EM78F651NDKMJ Datasheet(HTML) 3 Page - ELAN Microelectronics Corp |
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3 / 58 page  Contents Product Specification (V1.1) 10.20.2006 iii Contents 1 General Description .................................................................................................. 1 2 Features ..................................................................................................................... 1 3 Pin Assignment ......................................................................................................... 2 4 Pin Description .......................................................................................................... 3 5 Block Diagram ........................................................................................................... 5 6 Function Description ................................................................................................ 6 6.1 Operational Registers......................................................................................... 6 6.1.1 R0 (Indirect Addressing Register) .......................................................................6 6.1.2 R1 (Timer Clock/Counter) ...................................................................................6 6.1.3 R2 (Program Counter) & Stack ...........................................................................6 6.1.4 R3 (Status Register) ............................................................................................9 6.1.5 R4 (RAM Select Register) ...................................................................................9 6.1.6 R5 ~ R7 (Port 5 ~ Port 7) ....................................................................................9 6.1.7 R8 ~ R9 ...............................................................................................................9 6.1.8 RA (Wake- up Control Register)........................................................................10 6.1.9 RB (EEPROM Control Register) .......................................................................10 6.1.10 RC (128 Bytes EEPROM Address) ................................................................... 11 6.1.11 RD (128 Bytes EEPROM Data) ........................................................................ 11 6.1.12 RE (LVD Control Register) ................................................................................ 11 6.1.13 RF (Interrupt Status Register) ...........................................................................12 6.1.14 R10 ~ R3F .........................................................................................................12 6.2 Special Function Registers............................................................................... 13 6.2.1 A (Accumulator).................................................................................................13 6.2.2 CONT (Control Register)...................................................................................13 6.2.3 IOC5 ~ IOC7 (I/O Port Control Register) ..........................................................14 6.2.4 IOCA (WDT Control Register) ...........................................................................14 6.2.5 IOCB (Pull-down Control Register) ...................................................................15 6.2.6 IOCC (Open-drain Control Register).................................................................15 6.2.7 IOCD (Pull-high Control Register).....................................................................16 6.2.8 IOCF (Interrupt Mask Register).........................................................................16 6.3 TCC/WDT & Prescaler ..................................................................................... 17 6.4 I/O Ports ........................................................................................................... 18 6.5 Reset and Wake-up.......................................................................................... 21 6.5.1 Reset .................................................................................................................21 6.5.2 Status of RST, T, and P of the Status Register..................................................27 6.6 Interrupt ............................................................................................................ 29 6.7 LVD (Low Voltage Detector) ............................................................................. 30 |
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