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HFA3841 Datasheet(PDF) 6 Page - Intersil Corporation |
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HFA3841 Datasheet(HTML) 6 Page - Intersil Corporation |
6 / 27 page ![]() 6 Special Hardware Functions for Port Pins PJ0 SCK MMI serial clock in or out PJ1 SDO/SDIO MMI serial data out or I/O MOSI SPI Master Out/Slave In Also for MicroWire PJ2 SDI/MISO MMI serial data in Or SPI Master In/Slave Out SDDIR MMI (SDIO) data direction Low while SDIO is driven as an output PJ3 SDE0 MMI serial device enable 0 Generally selects PHY controller PCS- SPI/MMI transfer qualifier Asserted by hardware during transfer PHYCS- PHY chip select (3-3.5MB) For memory-mapped PHY controllers PJ4 SDE1 MMI serial device enable 1 For serial EPROM, synthesizer, etc. SDDQ MMI data delivery qualifier Low for data on SDIO, high for address SS- SPI slave select In slave mode SCK is serial clock input PJ5 MREQ- MBUS request PJ6 MGNT- MBUS grant LED2 LED 2 driver (Directly from I/O port) PJ7 LED1 LED 1 driver (Directly from I/O port) PK0 GPCK GP serial port clock in or out UHSIn Async handshake in Indicates external async Rx ready PK1 GPDO GP serial port data output UTXD Async transmit data PK2 GPDI GP serial port data input URXD Async receive data PK3 GPDS0 GP device select 0 UHSOut Async handshake out Indicates GP port async Rx ready PK4 GPDS1 GP device select 1 PK5 PDA PHY (or MAC) data available Qualifies RXD input to MAC controller UWDET Unique word detected Output from MAC controller PK6 MBUSY Medium busy CCA status (PHY-dependent source) RATE0 Data Rate select 0 PK7 EDET Energy (or modulation) detect RATE1 Data Rate select 1 PL0 TXE Transmitter enable PL1 RXE Receiver enable Can drive “awake” LED PHYSLP PHY sleep (Directly from I/O port) PL2 PHYRES PHY reset (Directly from I/O port) PL3 SLOT Slot time reference (in or out) ANTSEL Antenna select (Directly from I/O port) PL4 MA19 MBUS address bit 19 For 1M byte SRAM LED0 LED 0 driver (Directly from I/O port) PL5 MA20 MBUS address bit 20 For 2M byte SRAM PL6 MA21 MBUS address bit 21 For 4M byte SRAM PL7 TXR Transmitter ready Preliminary - HFA3841 |