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7548

Obsolete

8-bit Microcontrollers with 2-6KB Flash, 0.1875-0.25KB RAM

Overview

The 7548 Group is supported only for customers who have already adopted these products.

Documentation

Design & Development

ECAD Models

Schematic symbols, PCB footprints, and 3D CAD models from SamacSys can be found by clicking on the CAD Model links in the Product Options table. If a symbol or model isn't available, it can be requested directly from SamacSys.

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Support Communities

  1. Unstable Reading of Data over UART

    Hi, I'm using RL78/G13.  In main while loop, I check Uart and receive data. Some commands will be obtained from received data and then mcu will do some calculations and operations according to these commands.  Code structure is like that:  while (1U) { Delay(); R_UART2_Receive(& ...

    Dec 15, 2016
  2. da14580 act as observer

    Hello, i want set da14580 as observer. In sdk, which program can be used ?

    Aug 31, 2017
  3. I2C_SLAVE WAIT IN READ BYTE

    Dear Dialog_Support, 1.I am using I2C VEML6070 UV sensor for my project. I have referred the SDK i2c_eeprom code to configure my sensor. I have changed I2C_SLAVE_ADDRESS as per my sensor datasheet. I am able to write data to sensor register, but i am not ...

    Aug 31, 2017
View All Results from Support Communities (11)

FAQs

  1. (7548,7549) Are latch and timer written to during write in and timer value read out?

    It depends on the type of timer, as detailed below: Timer 1: The timer and latch are written to simultaneously and the timer count value is read. Timers 2, A: The user can choose to have the value written only to the latch or to both the timer and the ...

    Mar 13, 2008
  2. Can you explain the quotient and remainder value in DIV instruction?

    The quotient value and reminder value are indeterminate. Before executing the instruction, prevent quotient overflow at the program level. The quotient value and remainder value are indeterminate. Before executing the instruction, prevent the divisor from becoming 0 at the program level. The quotient value is 0 and the remainder value ...

    Jun 6, 2007
  3. How much input impedance in analog input/output impedance expected?

    Since input impedance is a non-linear characteristic of the A/D conversion circuit, we can provide no specifications. Keep the impedance of the signal source connected to the analog input pin as low as possible (10kΩ or lower), and add a 0.1μF capacitor to the analog input ...

    Mar 1, 2005
View All Results from FAQs (94)