Init_IIC
 
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Properties
Methods



Init Code Usage

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Component Init_IIC for HC08
Inter-IC Bus (IIC)
Component Level: Peripheral Initialization
Category: CPU Internal Peripherals-Peripheral Initialization
Properties:
(Properties are parameters of the component. Please see the Embedded Components page for more information.)
  • Component name - Name of the component.
  • Device - Selection of the IIC device module.
  • Settings - Common IIC module settings.
    • Clock settings - Clock/timing settings of the module.
      • Prescaler - The property sets Baud rate of module.
        HC908LD64, HC908LK24, HC908BD48 - Device MMIIC: This item modifies the MMBR[2:0] bits in the MIMCR register.
        HC908LD64, HC908BD48 - Device DDC12AB: This item modifies the BR[2:0] bits in the DDCMCR register.
        HC908SR12, HC908AP64: This item modifies the MMBR[2:0] bits in the MMFDR register.
      • Baud rate - IIC communication speed (for information only).
        This item is influenced by the following properties: Prescaler.
    • Transfer direction - The property determines the transfer direction of the data bytes that follows.(Only in master mode)
      HC908LD64, HC908LK24, HC908BD48 - Device MMIIC: This item modifies the MMRW bit in the MIMCR register.
      HC908LD64, HC908BD48 - Device DDC12AB: This item modifies the MRW bit in the DDCMCR register.
      HC908SR12, HC908AP64: This item modifies the MMRW bit in the MMCR2 register.
    • Transmit Acknowledge - The property enables/disables acknowledge signal sending at 9th clock bit after receiving 8 data bits.
      HC908LD64, HC908LK24, HC908BD48 - Device MMIIC: This item modifies the MMTXAK bit in the MMCR register.
      HC908LD64, HC908BD48 - Device DDC12AB: This item modifies the TXAK bit in the DDCCR register.
      HC908SR12, HC908AP64: This item modifies the MMTXAK bit in the MMCR1 register.
    • Address - The property sets specific slave address in slave mode or the calling address when in master mode.
      HC908LD64, HC908BD48 - Device MMIIC: This item modifies the MMAD[7:1] bits in the MMADR register.
      HC908LD64, HC908BD48 - Device DDC12AB: This item modifies the DAD[7:1] bits in the DDCADR register.
      HC908SR12, HC908AP64, HC908LK24: This item modifies the MMAD[7:1] bits in the MMADR register.
    • Settings supported for HC908BD48, HC908LD64 derivatives only.
      • DDC protocol - The property enable/disable the DDC protocol.
        This item is influenced by the following properties: Device.
        This item modifies the DDC1EN bit in the DDCCR register.
        The following items are available only if the group is enabled (the value is "Enabled"):
        • Second slave address - The property sets second slave address for the DDC2BI protocol..
          This item is influenced by the following properties: Device.
          This item modifies the D2AD[7:1] bits in the DDC2ADR register.
    • Expanded address - The property enable/disable expand the address in slave mode.
      HC908LD64, HC908BD48 - Device MMIIC: This item modifies the MMEXTAD bit in the MMADR register.
      HC908LD64, HC908BD48 - Device DDC12AB: This item modifies the EXTAD bit in the DDCADR register.
      HC908SR12, HC908AP64, HC908LK24: This item modifies the MMEXTAD bit in the MMADR register.
  • Pins - Module pins/signals settings
  • Interrupts - Interrupts settings of module.
    • Interrupt - Interrupt vector (for information only)
    • IIC module Interrupt - Enable/disable IIC module interrupt.
      HC908LD64, HC908LK24, HC908BD48 - Device MMIIC: This item modifies the MMIEN bit in the MMCR register.
      HC908LD64, HC908BD48 - Device DDC12AB: This item modifies the DIEN bit in the DDCCR register.
      HC908SR12, HC908AP64: This item modifies the MMIEN bit in the MMCR1 register.
    • Settings supported for HC908BD48, HC908LD64 derivatives only.
      • SCL Interrupt - Enable/disable SCL Interrupt.
        This item is influenced by the following properties: Device.
        HC908LD64, HC908BD48 - Device DDC12AB: This item modifies the SCLIEN bit in the DDCCR register.
    • ISR name - Name of the interrupt service routine (ISR) invoked by this interrupt vector.
      The user code of the routine should handle all respective interrupt flags correctly. The routine must be implemented in the user code, it is not generated by Processor Expert. Find external prototypes of the ISRs in the component module header file.
  • Initialization - Initialization options of the module.
    • Call Init method - The Init method of the component may be called after power-on or reset (in initialization code) by PE.
      yes - The Init method is called by PE
      no - The Init method is not called by PE, it should be called in user's code
    • Enable IIC module - The property Enable/Disable Bus module.
      HC908LD64, HC908LK24, HC908BD48 - Device MMIIC: This item modifies the MMEN bit in the MMCR register.
      HC908LD64, HC908BD48 - Device DDC12AB: This item modifies the DEN bit in the DDCCR register.
      HC908SR12, HC908AP64: This item modifies the MMEN bit in the MMCR1 register.

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