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TMP86FS27FG Datasheet(PDF) 9 Page - Toshiba Semiconductor |
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TMP86FS27FG Datasheet(HTML) 9 Page - Toshiba Semiconductor |
9 / 32 page ![]() 86FS27-9 2007-08-07 TMP86FS27 2.3 Serial PROM Mode Setting 2.3.1 Serial PROM Mode Control Pins To execute on-board programming, start the TMP86FS27 in serial PROM mode. Setting of a serial PROM mode is shown in Table 2.3.1. Table 2.3.1 Serial PROM Mode Setting Note: BOOT1 is RXD pin and BOOT2 is TXD pin during a serial PROM mode. 2.3.2 Pin Function In the serial PROM mode, TXD (P01) and RXD (P00) pins are used as a serial interface pin. Therefore, if the programming is executed on-board after mounting, these pins should be released from the other devices for communication in serial PROM mode. Note: When the device is used as on-board writing and other parts are already mounted in place, be careful not to affect these communication control pins. Pin Name (Serial PROM mode) Input/ Output Functions Pin Name (MCU mode) BOOT1/RXD Input/Input Fix “High” during reset. This pin is used as RXD pin after releasing reset. P00 BOOT2/TXD Input/Output Fix “High” during reset. This pin is used as TXD pin after releasing reset. P01 TEST Input Fix to “High”. RESET I/O Reset signal input or an internal error reset output. VDD, AVDD Power supply 5 V VSS 0 V VAREF Leave open or apply reference voltage. P07 to P02, P17 to P10, P22 to P20, P37 to P30, P43 to P40, P57 to P50, P67 to P60, P77 to P70 I/O Open SEG7 to SEG0 Output 0 V output (Open) COM3 to COM0 Output 0 V output (Open) C0, C1, V1, V2, V3 LCD power supply Not use XIN Input Self oscillation with resonator (2 MHz, 4 MHz, 8 MHz, 16 MHz) XOUT Output Pin Setting TEST pin High BOOT1 (RXD) (Note) High BOOT2 (TXD) (Note) High RESET pin |
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