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LC86F3448B Datasheet(PDF) 10 Page - Sanyo Semicon Device |
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LC86F3448B Datasheet(HTML) 10 Page - Sanyo Semicon Device |
10 / 21 page LC86F3448B No.A0120-10/21 Pins Options Condition during and on release of reset Input: Without pull-up MOS transistor Output: N-channel open drain Output -off Input mode: High impedance P0 Input: With pull-up MOS transistor Output: CMOS Output-off Flash version: During reset and in the first few hundred µs after reset is released, the pull-up MOS transistor is OFF. Thereafter, set to input mode with pull-up MOS Tr. ON Mask version: During reset the pull-up MOS transistor is OFF. After soon, set to input mode with pull-up MOS Tr. ON Input: With programmable pull-up MOS transistor Output: N-channel open drain P1 Input: With programmable pull-up MOS transistor Output: CMOS Output-off Input mode: High impedance P3 No options Input: With programmable pull-up MOS transistor Output: CMOS Output -off Input mode: High impedance P7 No options Input: With programmable pull-up MOS transistor Output: With pull-up MOS (P70) CMOS (P71 to P73) Output-off Input mode: High impedance On-board writing system The LC86F3448B has the On-board writing system. The program is renewable by using SANYO Flash On-board System after the LSI has been installed on the application board. This system is composed of 4 types divided by the combination of mode setting pin and communication pin. Each type system has to connect the 6 pins (VDD, VSS, RES, communication pins) with the interface board of SANYO Flash On-board System. It is necessary that the pins to be used for the rewriting system should be able to be separated from the application board properly. The system type is selected by the option setting program (Su86K.exe). types mode setting pin communication pins type1 RES pin (high voltage (12V) applied) P30(DATA1), P31(DATA0), P32(CLK) type2 RES pin (high voltage (12V) applied) P30(DATA1), P11(DATA0), P10(CLK) type3 P30 pin (High level voltage (5V) applied) P30(ENA/DATA1), P31(DATA0), P32(CLK) type4 P30 pin (High level voltage (5V) applied) P30(ENA/DATA1), P11(DATA0), P10(CLK) • Type 3 or 4 is selected : P30 is exclusive for the on-board system. This pin must always be pulled-down, so this pin can’t be used for other applications. • The loader program must be written into the ROM to use On-board writing system. The loader program should be written into the ROM before the LSI has been installed on the board by the general purpose PROM programs. When the option setting selects the this system to use, the loader program automatically links on the user program linking. Please ask to our sales persons before using On-board writing system. |
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