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EM78P813BQ Datasheet(PDF) 18 Page - ELAN Microelectronics Corp |
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EM78P813BQ Datasheet(HTML) 18 Page - ELAN Microelectronics Corp |
18 / 65 page EM78P813 8-bit OTP Micro-controller __________________________________________________________________________________________________________________________________________________________________ * This specification is subject to change without notice. 18 2004/8/19 (V1.6) Bit 3 (CDAS) : Current DA switch 0 normal PORTD7 1 Current DA output Bit 4 ~ Bit 7 : These 4 bits are undefined, they are not allowed to use. R6 Port 6 I/O Data , Data ROM data buffer,CNT1 Data(H),DA control PAGE0 Port 6 I/O Data 7 6 5 4 3 2 1 0 P67 P66 P65 P64 P63 P62 P61 P60 R/W-X R/W-X R/W-X R/W-X R/W-X R/W-X R/W-X R/W-X Bit 0 ~ Bit 7 (P60 ~ P67) : 8-bit PORT6 (0~7) I/O data register User can use IOC register to define input or output each bit.. PAGE1 Data ROM Data buffer 7 6 5 4 3 2 1 0 DRD7 DRD6 DRD5 DRD4 DRD3 DRD2 DRD1 DRD0 R/W-X R/W-X R/W-X R/W-X R/W-X R/W-X R/W-X R/W-X Bit 0 ~ Bit 7 (DRD0 ~ DRD7) : Data ROM data buffer for ROM reading. Example. MOV A,@1 MOV R7_PAGE1,A MOV A,@0 MOV R8_PAGE1,A MOV A,@0 MOV R9_PAGE1,A MOV A,R6_PAGE1 ;read the data at Data ROM which address is "00001". PAGE2 Counter1 high 8bit Data buffer 7 6 5 4 3 2 1 0 CN1F CN1E CN1D CN1C CN1B CN1A CN19 CN18 Bit 0~Bit 7(CN18~CN1F) : Counter1's high 8 bits data buffer. Please refer to IOC9 page2 counter1 low 8 bit data buffer for detail. PAGE3 DA Control 7 6 5 4 3 2 1 0 DA9 DA8 DA7 DA6 DA5 DA4 DA3 DA2 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 Bit 0 ~ Bit 7 (DA2 ~ DA9) : Current DA most significant 8 bits of Current DA output buffer Combine these 8 bits and R9 page3 bit4~bit5 2 bits as complete 10 bits Current DA output data. Control register bit3 is Current DA power control . |
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