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EKTF6708 데이터시트(PDF) 32 Page - ELAN Microelectronics Corp |
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EKTF6708 데이터시트(HTML) 32 Page - ELAN Microelectronics Corp |
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32 / 158 page ![]() eKTF6708 8-Bit Microcontroller 22 IC Product Specification (V1.2) 03.12.2020 (This specification is subject to change without prior notice) NOTE If a function is enabled, the corresponding status flag would be active whether the interrupt mask is enabled or not. 6.1.18 Bank 0 R17: SFR4 (Status Flag Register 4) Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0 P7ICSF P6ICSF P5ICSF SPISF I2CSTPSF I2CRSF I2CTSF F F F F F F F Bit 7 : Not used, set to "0" all the time Bits 6~4 (P7ICSF~P5ICSF): Ports 5~7 input status change status flag. Set when Ports 5~7 input changes. Reset by software. Bit 3 (SPISF): SPI mode status flag. Flag is cleared by software. Bit 2 (I2CSTPSF): I 2C stop status flag. Set when I2C stop signal occurs. Bit 1 (I2CRSF): I 2C receive status flag. Set when I2C receives 1byte data and responds to ACK signal. Reset by firmware or I 2C disable. Bit 0 (I2CTSF): I 2C transmit status flag. Set when I2C transmits a 1 byte data and receives a handshake signal (ACK or NACK). Reset by firmware or I 2C disable. NOTE If a function is enabled, the corresponding status flag will be active regardless of whether the interrupt mask is enabled or not. 6.1.19 Bank 0 R18: (Reserved) 6.1.20 Bank 0 R19: SFR6 (Status Flag Register 6) Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0 SHSF - - TKTOSF TKCSF TKPESF TKOESF TKSF F - - F F F F F Bit 7 (SHSF): System hold status flag, Set when system hold occur, reset by software. Bits 6~5: Not used, set to "0" all the time Bit 4 (TKTOSF): Touch Key idle with scan mode time out status flag. Set when Touch Key idle with scan mode threshold compare condition dissatisfied and continued for 16*TKITOR times, reset by software. Bit 3 (TKCSF): Touch Key Compare status flag. Set when Touch Key idle with scan mode threshold compare conditions are satisfied, reset by software. Bit 2 (TKPESF): Touch Key period Error status flag. Set when Touch Key period falls early, reset by software |
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