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TMP86FH46NG 데이터시트(PDF) 8 Page - Toshiba Semiconductor |
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TMP86FH46NG 데이터시트(HTML) 8 Page - Toshiba Semiconductor |
8 / 32 page 86FH46-8 2007-08-07 TMP86FH46 2.3 Serial PROM Mode Setting 2.3.1 Serial PROM Mode Control Pins To execute on-board programming, start the TMP86FH46 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 (P11) and RXD (P10) 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. P10 BOOT2/TXD Input/Output Fix “High” during reset. This pin is used as TXD pin after releasing reset. P11 TEST Input Fix to “High”. RESET I/O Reset signal input or an internal error reset output. VDD, AVDD Power supply 5 V VSS, AVSS 0 V VAREF Leave open or apply reference voltage. P07 to P00, P15 to P12, P22 to P20, P37 to P30, P47 to P40 Fix to “low” or “high”. 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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