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KS8995MAI Datasheet(PDF) 24 Page - Micrel Semiconductor |
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KS8995MAI Datasheet(HTML) 24 Page - Micrel Semiconductor |
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24 / 89 page  Micrel, Inc. KS8995MA/FQ October 2011 24 M9999-102611-3.0 Pin Description − By Name Pin Number Pin Name Type (1) Port Pin Function 110 SPIC/SCL I/O All (1) Input clock up to 5MHz in SPI slave mode; (2) output clock at 61kHz in I2C master mode. See “Pin 113.” 111 SSPID/SDA I/O All (1) Serial data input in SPI slave mode; (2) serial data input/output in I2C master mode. See “Pin 113.” 109 SPIQ Otri All (1) SPI serial data output in SPI slave mode; (2) output clock at 61kHz in I2C master mode. See “Pin 113.” 112 SPIS_N Ipu All Active low. (1) SPI data transfer start in SPI slave mode. When SPIS_N is high, the KS8995MA/FQ is deselected and SPIQ is held in high impedance state, a high-to-low transition to initiate the SPI data transfer; (2) not used in I2C master mode. 128 TEST2 NC NC for normal operation. Factory test pin. 118 TESTEN Ipd NC for normal operation. Factory test pin. 8 TXM1 O 1 Physical transmit signal – (differential). 14 TXM2 O 2 Physical transmit signal – (differential). 23 TXM3 O 3 Physical transmit signal – (differential). 29 TXM4 O 4 Physical transmit signal – (differential). 36 TXM5 O 5 Physical transmit signal – (differential). 7 TXP1 O 1 Physical transmit signal + (differential). 13 TXP2 O 2 Physical transmit signal + (differential). 22 TXP3 O 3 Physical transmit signal + (differential). 28 TXP4 O 4 Physical transmit signal + (differential). 35 TXP5 O 5 Physical transmit signal + (differential). 123 VDDAP P 1.8V analog VDD for PLL. 41 VDDAR P 1.8V analog VDD. 43 VDDAR P 1.8V analog VDD. 3 VDDAR P 1.8V analog VDD. 15 VDDAR P 1.8V analog VDD. 31 VDDAR P 1.8V analog VDD. 125 VDDAR P 1.8V analog VDD. 18 VDDAT P 3.3V analog VDD. 9 VDDAT P 3.3V analog VDD. 24 VDDAT P 3.3V analog VDD. 37 VDDAT P 3.3V analog VDD. 50 VDDC P 1.8V digital core VDD. Note: 1. P = Power supply. I = Input. O = Output. I/O = Bidirectional. GND = Ground. Ipu = Input w/internal pull-up. Ipd = Input w/internal pull-down. Ipd/O = Input w/internal pull-down during reset, output pin otherwise. Ipu/O = Input w/internal pull-up during reset, output pin otherwise. Otri = Output tristated. NC = No connect. |
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