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PCM16C02 Datasheet(PDF) 8 Page - National Semiconductor (TI) |
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PCM16C02 Datasheet(HTML) 8 Page - National Semiconductor (TI) |
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8 / 42 page  50 Functional Description The PCM16C02 provides an integrated solution to interfac- ing dual function IO cards with the PC Card Bus The part has a contiguous 1-kbyte RAM block to store attribute mem- ory The IC also provides an EEPROM interface to serial EEPROMs that use the MICROWIRE protocol At a mini- mum a 16-kbit serial EEPROM is required The part allows IO address windows to be programmed independently for each function 51 ADDRESS MAPS 511 Attribute Memory Addressing The Attribute Memory space contains both the Card Infor- mation Structure (CIS) PC Card Registers for both IO func- tions and PCM16C02 implementation specific registers Note that PC Card Standard specifies that Attribute memory may only be accessed on even address byte boundaries The Attribute Memory space fragmentation is shown in Ta- ble 5-1 TABLE 5-1 Attribute Memory Map Register Description Register Type Address (Hex) EEPROM Card Information Structure PC Card CIS 0x000 – 0x03E2 Yes Pin Polarity Register PCM16C02 Specific 0x03E4 Yes PMGR and Clock Register PCM16C02 Specific 0x03E6 Yes CTERM0 Register PCM16C02 Specific 0x03E8 Yes CTERM1 Register PCM16C02 Specific 0x03EA Yes Reserved for Future Use Registers PCM16C02 Specific 0x03EC – 0x03EE Yes Miscellaneous Register PCM16C02 Specific 0x03F0 Yes Reserved for Future Use Registers PCM16C02 Specific 0x03F2 – 0x03F4 Yes Wait State Timer Registers PCM16C02 Specific 0x03F6 Yes NAND Flash (NM29N16) Config Register PCM16C02 Specific 0x03F8 Yes Reserved for Future Use Register PCM16C02 Specific 0x03FA Yes Watchdog Timer Register PCM16C02 Specific 0x03FC Yes Reserved for Future Use Registers PCM16C02 Specific 0x03FE Yes Card Information Structure PC Card CIS 0x0400 – 0x07FE Optional ID Register PCM16C02 Specific 0x1000 No EEPROM Control Register PCM16C02 Specific 0x1002 No EEPROM Security Register PCM16C02 Specific 0x1004 No Reserved for Future Use Registers PCM16C02 Specific 0x1006 – 0x101E No Function 0 Configuration Option Register PC Card 0x1020 No Function 0 Configuration Status Register PC Card 0x1022 No Function 0 Pin Replacement Register PC Card 0x1024 No Unused PC Card 0x1026 No Function 0 IO Event Register PC Card 0x1028 No Function 0 Base A Register PC Card Extension 0x102A No Function 0 Base B Register PC Card Extension 0x102C No Unused PC Card Extension 0x102E – 0x1030 No Function 0 Limit Register PC Card Extension 0x1032 No Reserved for Future Use Registers PC Card Extension 0x1034 – 0x103E No Function 1 Configuration Option Register PC Card 0x1040 No Function 1 Configuration Status Register PC Card 0x1042 No Function 1 Pin Replacement Register PC Card 0x1044 No Unused PC Card 0x1046 No Function 1 IO Event Register PC Card 0x1048 No 8 |
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