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EM78P813BQ Datasheet(PDF) 15 Page - ELAN Microelectronics Corp |
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EM78P813BQ Datasheet(HTML) 15 Page - ELAN Microelectronics Corp |
15 / 65 page EM78P813 8-bit OTP Micro-controller __________________________________________________________________________________________________________________________________________________________________ * This specification is subject to change without notice. 15 2004/8/19 (V1.6) A16 A15 A14 A13 A12 A11 A10 A9 A8 A7~A0 0000000 PAGE0 00000~003FF 0000001 PAGE1 00400~007FF 1111110 PAGE126 1F800~1FBFF 1111111 PAGE127 1FC00~1FFFF 0000010 PAGE2 00800~00BFF STACK1 STACK2 STACK5 STACK4 STACK3 STACK6 STACK8 STACK7 : : STACK30 STACK31 STACK32 CALL and INTERRUPT RET RETL RETI ACC,R3,R5(PAGE) R5(PAGE) store restore Fig.8 : Program counter organization R3 Status Register 7 6 5 4 3 2 1 0 RS1 RS0 IOCS T P Z DC C Bit 0 (C) : Carry Bit 1 (DC) : Auxiliary carry flag Bit 2 (Z) : Zero flag Bit 3 (P) : Power down bit. Set to 1 during power on or by a "WDTC" command and reset to 0 by a "SLEP" command. Bit 4 (T) : Time-out bit. Set to 1 by the "SLEP" and "WDTC" command, or during power up and reset to 0 by WDT timeout. EVENT T P REMARK WDT wake up from sleep mode 0 0 WDT time out (not sleep mode) 0 1 /RESET wake up from sleep 1 0 Power up 1 1 Low pulse on /RESET x X x : don't care Bit 5 (IOCS) : IOC register select bit. Change IOC5 ~ IOCE to another PAGE Bit 6~Bir 7 (RS0 ~ RS1) : R register select bits. Change R5 ~ RE to another PAGE. RS1 RS0 R PAGE 0 0 PAGE 0 0 1 PAGE 1 1 0 PAGE 2 1 1 PAGE 3 |
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