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KSZ8893MQL Datasheet(PDF) 13 Page - Microchip Technology |
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KSZ8893MQL Datasheet(HTML) 13 Page - Microchip Technology |
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13 / 108 page  2019 Microchip Technology Inc. DS00002897A-page 13 KSZ8893MQL/MBL 100 PS1 I Serial Bus Configuration Pins to Select Mode of Access to KSZ8893MQL Internal Registers [PS1, PS0] = [0, 0] – I2C Master (EEPROM) mode (If EEPROM is not detected, the KSZ8893MQL device will be configured with the default values of its internal registers and the values of its strap-in pins.) 101 PS0 I Interface Signals Type Description SPIQ O Not used (tri-stated) SCL O I2C clock SDA I/O I2C data I/O SPIS_N I Not used [PS1, PS0] = [0, 1] – I2C Slave mode The external I2C Master will drive the SCL clock. The KSZ8893MQL device addresses are: 1011_1111 <read> 1011_1110 <write> Interface Signals Type Description SPIQ O Not used (tri-stated) SCL I I2C clock SDA I/O I2C data I/O SPIS_N I Not used [PS1, PS0] = [1, 0] – SPI Slave mode Interface Signals Type Description SPIQ O SPI data out SCL I SPI clock SDA I SPI data in SPIS_N I SPI chip select [PS1, PS0] = [1, 1] – SMI mode In this mode, the KSZ8893MQL device provides access to all its internal 8-bit registers through its MDC and MDIO pins. Note: When (PS1, PS0) (1, 1), the KSZ8893MQL device provides access to its 16-bit MIIM registers through its MDC and MDIO pins. 102 UNUSED I Unused Pins Externally pull up for normal operation. 103 UNUSED I 104 UNUSED I 105 UNUSED I 106 DGND GND Digital Ground 107 VDDIO P3.3V Digital VDD 108 UNUSED I Unused Pins Externally pull up for normal operation. 109 UNUSED I 110 UNUSED I Unused Pins Externally pull down for normal operation. TABLE 2-1: PIN DESCRIPTION AND I/O ASSIGNMENT OF KSZ8893MQL (CONTINUED) Pin Number Pin Name Type Description Legend: IPU = Input with internal pull-up IPD = Input with internal pull-down P = Power supply OPU = Output with internal pull-up OPD = Output with Internal pull-down GND = Ground I = Input O = Output I/O = Bidirectional IPD/O = Input with internal pull-down during Reset; Output pin otherwise IPU/O = Input with internal pull-up during Reset; Output pin otherwise |
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