ACS ACR89U-A1 User Manual download pdf (Page 22)

ACR89U-A1 – Application Programming Interface info@acs.com.hk

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Returns:

BOOLEAN This function returns TRUE/FALSE of the state of successfully reading out time value

from external RTC.

4.5.2.6. EXRTC_Write_Date

This function sets decimal date value to external RTC.

[EXRTC.h]

BOOLEAN EXRTC_Write_Date (

UINT8 ucYear,

UINT8 ucMonth,

UINT8 ucWeekday,

UINT8 ucDay );

Parameters:

ucYear [in] Decimal value of year [0-99].

ucMonth [in] Decimal value of month [1-12].

ucWeekday [in] Decimal value of weekday [0-6].

ucDay [in] Decimal value of day [1-31].

Returns:

BOOLEAN This function returns TRUE/FALSE of the state of successfully setting date value to

external RTC.

4.5.2.7. EXRTC_Write_DateBCD

This function sets binary-coded decimal date value to external RTC.

[EXRTC.h]

BOOLEAN EXRTC_Write_DateBCD (

UINT8 ucYear,

UINT8 ucMonth,

UINT8 ucWeekday,

UINT8 ucDay );

Parameters:

ucYear [in] BCD value of year [0x00h-0x99h].

ucMonth [in] BCD value of month [0x01h-0x12h].

ucWeekday [in] BCD value of weekday [0x00h-0x06h].

ucDay [in] BCD value of day [0x01h-0x31h].

Returns:

BOOLEAN This function returns TRUE/FALSE of the state of successfully setting date value to

external RTC.

4.5.2.8. EXRTC_Read_Date

This function reads out date value from external RTC. The format of output data is BCD.

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ACS ACR89U-A1 User Manual Page 22