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BM78SPPS5MC2 Datasheet(PDF) 7 Page - Microchip Technology |
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BM78SPPS5MC2 Datasheet(HTML) 7 Page - Microchip Technology |
7 / 60 page 2016 Microchip Technology Inc. Advance Information DS60001380A-Page 7 BM78 20 18 EAN DI External address-bus negative System configuration pin along with P2_0 and P2_4 pins, used to set the module in any of the three modes: Application mode (for normal operation), Test mode (to change EEPROM values), and Write Flash mode (to enter new firmware into the module), refer to Table 2-1 ROM: Must be pulled high to VDD_IO FLASH: Must be pulled down with 4.7Kohm to GND 21 19 RST_N DI Module Reset (active-low) (internal pull up) Apply a pulse of at least 63 ns 22 20 RXD DI UART data input 23 21 TXD DO UART data output 24 22 P3_1 DIO Configurable Control or Indication pin (Internally pulled-up, if configured as an input) 25 23 P3_2 DIO Configurable Control or Indication pin (Internally pulled-up, if configured as an input) 26 24 P3_3 DIO Configurable Control or Indication pin (Internally pulled-up, if configured as an input) 27 25 P3_4 DIO Configurable Control or Indication pin (Internally pulled-up, if configured as an input) 28 26 P3_6 DIO Do not connect 29 27 P3_7 DIO Configurable Control or Indication pin (Internally pulled-up, if configured as an input) 30 28 LED1 DO Status LED, connect to LDO33_0 31 29 GND Power Ground reference — 30 BT_RF AIO External antenna connection(50 ohms) 32 — GND Power Ground reference Legend: A = Analog D = Digital I = Input O = Output TABLE 1-1: PIN DESCRIPTION (CONTINUED) S5 Pin 05 Pin Symbol Type Description |
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