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AN82527F8 Datasheet(PDF) 5 Page - Intel Corporation |
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AN82527F8 Datasheet(HTML) 5 Page - Intel Corporation |
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5 / 22 page  82527 Pin Name Pin Type Pin Description AD0A0ICP IO-I-I AddressData bus in 8-bit multiplexed mode AD1A1CP IO-I-I Address bus in 8-bit non-multiplexed mode AD2A2CSAS IO-I-I Low byte of AD bus in 16-bit multiplexed mode AD3A3STE IO-I In Serial Interface mode the following pins have the following meaning AD4A4MOSI IO-I-I AD0 ICP Idle Clock Polarity AD5A5 IO-I AD1 CP Clock Phase AD6A6SCLK IO-I-I AD2 CSAS Chip Select Active State AD7A7 IO-I AD3 STE Sync Transmit Enable AD6 SCLK Serial Clock Input AD4 MOSI Serial Data Input AD8D0P10 IO-O-IO High byte of AD bus in 16-bit multiplexed mode AD9D1P11 IO-O-IO Data bus in 8-bit non-multiplexed mode AD10D2P12 IO-O-IO Low speed IO port P1 pins in 8-bit multiplexed mode and serial mode Port pins have weak pullups until the port is configured by writing to 9FH AD11D3P13 IO-O-IO and AFH AD12D4P14 IO-O-IO AD13D5P15 IO-O-IO AD14D6P16 IO-O-IO AD15D7P17 IO-O-IO P20 IO P2 in all modes P21 IO P26 is INT when MUX e 1 and is open-drain P22 IO P27 is WRH in 16-bit multiplexed mode P23 IO P24 IO P25 IO P26INT IO-O P27WRH IO-I Mode0 I These pins select one of the four parallel interfaces These pins are weakly held low during reset Mode1 I Mode1 Mode0 0 0 8-bit multiplexed Intel 0 0 Serial Interface mode entered when RD e 0 WR e 0 upon reset 0 1 16-bit multiplexed Intel 1 0 8-bit multiplexed non-Intel 1 1 8-bit non-multiplexed ALEAS I-I ALE used for Intel modes AS used for non-Intel modes except Mode 3 this pin must be tied high RD IRD used for Intel modes E I E used for non-Intel modes except Mode 3 Asynchronous this pin must be tied high WR WRL IWR in 8-bit Intel mode and WRL in 16-bit Intel mode RW I RW used for non-Intel modes READY O READY is an output to synchronize accesses from the host microcontroller to the 82527 READY is an open-drain output to the host MISO O microcontroller MISO is the serial data output for the serial interface mode DSACK0 O DSACK0 is an open-drain output to synchronize accesses from the host microcontroller to the 82527 5 |
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Similar Description - AN82527F8 |
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