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AP0201AT Datasheet(PDF) 7 Page - ON Semiconductor |
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AP0201AT Datasheet(HTML) 7 Page - ON Semiconductor |
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7 / 31 page ![]() AP0201AT www.onsemi.com 7 Table 3. PIN DESCRIPTIONS (continued) Name Description Type VDD_REG Supply Input to on−chip 1.8 V to 1.2 V regulator. LDO_OP Output Output from on chip 1.8 V to 1.2 V regulator. FB_SENSE Input On−chip regulator sense signal. Table 4. PACKAGE PINOUT 1 2 3 4 5 6 7 8 9 10 A Reserved[0] VDDIO_H M_SDATA DIN0 VDD DIN5 DIN10 LV_IN VDDIO_S FV_IN B SCLK GPIO_6 EXTCLK_OUT M_SCLK DIN1 DIN4 DIN9 DIN11 HiSPi1N HiSPi1P C SPI_SCLK Reserved[1] (Note 2) SDATA GPIO_5 TRIGGER_ OUT/ GPIO_0 DIN3 DIN8 PIXCLK_IN HiSPiCN HiSPiCP D SPI_SDO SPI_SDI SPI_CS_BAR SADDR RESET_ BAR_OUT DIN2 DIN7 VDD_PHY HiSPi0N HiSPi0P E VDD GPIO_1 STANDBY GND GND GND DIN6 GND GND VDDIO_H F VDDIO_ OTMP GPIO_2 GPIO_3 RESET_ BAR GND GND GND EXTCLK XTAL VDD G TRST GPIO_4 FRAME_SYNC RX_CLK RXD6 RXD2 TXD5 EXT_REG ENLDO VDD_PLL H PHY_RESET_ BAR TX_CLK MDIO RX_ERR RXD4 TX_ERR TXD6 TXD2 FB_SENSE VDD_REG J GTX_CLK Reserved[3] CRS_DV RXD7 RXD3 RXD0 TXD7 TXD3 TXD0 LDO_OP K Reserved[2] VDDIO_H MDC RXD5 VDD RXD1 TX_EN TXD4 TXD1 GND 1. Pin K1 and J2 should be left floating. 2. Pin C2 needs to be tied to VDDIO_H in all applications. 3. A1 to be tied to ground. ON−CHIP REGULATOR The AP0201AT has an on−chip regulator, the output from the regulator is 1.2V and should only be used to power up the AP0201AT. It is possible to bypass the regulator and provide power to the relevant pins that need 1.2 V. The following table summarizes the key signals when using/bypassing the regulator. Table 5. KEY SIGNALS WHEN USING THE REGULATOR Signal Name Internal Regulator External Regulator VDD_REG 1.8 V Connect to VDDIO_H ENLDO Connect to 1.8 V (VDD_REG) GND FB_SENSE 1.2 V (input) Float LDO_OP 1.2 V (output) Float EXT_REG GND Connect to VDDIO_H |
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