• Regarding Min ADC trigger count used in MC9S12ZVML128_BLDC_Sensorless sample code

    Hello Team, I am using MC9S12ZVML128_BLDC_Sensorless sample code for reference. As per my understanding, the delays filled in the PTU trigger list are in terms of bus clock cycle. Please confirm the understand...
    created by PRATIBHA SURABHI
  • How to test S12ZVL LVI interrupt

    Hello everyone,   Currently, I am implementing the low voltage Interrupt for the S12ZVL chip. However, when I was trying to test it, I could not trigger the interrupt for LV. According to the datasheet, I have a...
    Junxi Cai
    last modified by Junxi Cai
  • PWM pulse width (tminpulse)

    Hi all, With reference to MC9S12ZVM-Family RM, I have a question about the PWM pulse width. A note states " The minimum PWM pulse on & off time must be tminpulse." I checked the tminpulse on/off time i...
    last modified by PRATIBHA SURABHI
  • About S12ZVL EEPROM

    Hi,   I want to save a variable in the eeprom, I can read the variable after the power on reset.The follows is my code:   The data is saved in the address(0x100000~0x10003F), but after power on reset, th...
    xue j
    last modified by xue j
  • MC9S12DJ128CFUE EEPROM cannot work

    We use MC9S12DJ128CFUE a lot of years. Recently we find some MCUs have problem.   We have made some detailed investigation of the problem.Here is a summary of the faulty MCUs…  * programming (f...
    KuangYi Chang
    last modified by KuangYi Chang
  • PWM4 couldn't work when use the PMF function

    I want to use PMF instead of GDU to drive the MOSFET for S12ZVML. PWM0,PWM1,PWM2,PWM3,PWM5 could work. but PWM4 couldn't work.    MODRR1_PWM10RR = 1; //1 PWM1_0 to PP0 (PT2 for S12ZVMC256); PWM1_1 to PP1 ...
    Peter Shi
    last modified by Peter Shi
  • The problem of  flash data rewriting after IC S9S12ZVL does  unpowered ESD

        IC S9S12ZVL32FOMLF LQFP-48 does unpowered ESD,the Flash data is rewritten,The data is shown in the figure below,red is abnormal code, green is normal code, all are read from IC.     After the ...
    CongCong Pan
    last modified by CongCong Pan
  • Regarding static time fault handling in S12ZVM

    Hi all, I have question regarding below point from S12ZVM datasheet, Static Timing Fault Handling The following Faults and/or errors can occur: • Desaturation error, Overvoltage, Undervoltage, ...
    last modified by PRATIBHA SURABHI
  • Vector address Area in .prm file

    Hi All, Query is regarding area defined for vector table in the .prm file.   I am referring "MC9S12ZVML128_BLDC_Sensorless" sample code as reference. I will attach the sample code too.   From the S12zvm....
    last modified by PRATIBHA SURABHI
  • Best way to update from S12ZVC application and hardware to CAN FD

    Hello!    we are using since a couple of years an analog to can module using the S12ZVC. We are already in production since 3 years but now the customer need also CAN FD. What do you suggest in order to min...
    Fabrizio Mirandola
    last modified by Fabrizio Mirandola
  • Regarding PTU trigger list update in Hall Sensor Sample Code

    Hi All, With reference to the MC9S12ZVML128_BLDC_Hall sensored sample code , I have a few queries.   From the sample code, my understanding is that a single physical list is being used in the code. 14.4.3...
    created by PRATIBHA SURABHI
  • problem when access paged ram variable by pointer

    My mcu is MC9S12XE. I have defined a variable named such as msg_buffer in the PAGED RAM,and it's actually allocated address is F91000.I want to put data into this buffer using pointer,but doesn't work.Codes look like...
    everk image
    last modified by everk image
  • Why LIN_stack_S12_4_6_3 can't works well in s12xs128 to send SYNCH(0x55) even the data has moved successfully from SCI Data Register to Transmit Shift Register           

    My mcu is s12xs128, and transceiver is TJA1020. All the LIN register  is initialized by LIN_stack in lin_lld_sci.c file. Additionally I have updated _PTM.Bits.PTM6 and _DDRM.Bits.DDRM6 t...
    last modified by ANGANG HAO
  • Bootstrap capacitor (Cbs) Precharging

    Hi all,   I am referring MC9S12ZVM-Family RM.(Rev 2.13) In the chapter Bootstrap Precharge   The below chunk of data :  *********************************************************...
    last modified by PRATIBHA SURABHI
  • S12ZVL Capacitor ESR value

    Dear All.   Is there an ESR range for VDDA, VDDX, Vsup's Decoupling or bypass cap?The datasheet and H/W design application notes specify only the recommended values and materials for cap. The customer wants to k...
    HY Jung
    last modified by HY Jung
  • Interrupt priority decoder

    Hi All,   I am referring the MC9S12ZVM-Family RM In that Chapter 4.4.3 Priority Decoder has a NOTE.   Care must be taken to ensure that all exception requests remain active until the system begi...
    last modified by PRATIBHA SURABHI
  • How to communicate with Even Parity device?

    My mcu is MC9S12XEP.I use it's serial communication interface to communicate with other device which is EVEN Parity 485 Bus.It doesn't work now.But i can use PC software(Even Parity) to communicate with that device. ...
    everk image
    last modified by everk image
  • Regarding PMF register write protection

    Hi All, I am referring the MC9S12ZVM-Family RM. Register Write Protection, note mentions - Make sure to set the write protection bit WP in PMFCFG0 after configuring and prior to enabling PWM ou...
    last modified by PRATIBHA SURABHI
  • (S912ZVML31F1WKF)data retention and  program/erase cycles of Flash and EEPROM.

    Hi, I want to know the data retention and  program/erase cycles of Flash and EEPROM of S912ZVML31F1WKF. I checked the datasheet, but I couldn't find it(When the ambient temperature is 125 °C)。 ...
    zhiyong zhang
    last modified by zhiyong zhang
  • Debugger EEPROM-Read S12ZVML128

    Hi,   we are using PE-Micro Multilink Universal for Debugging in our development. When we read the EEPROM in the memory-view in Codewarrior the first 72 bytes of the EERPOM will be returned as zero even when data...
    Axel Hubner
    last modified by Axel Hubner