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MPC821 датащи(PDF) 68 Page - NXP Semiconductors |
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MPC821 датащи(HTML) 68 Page - NXP Semiconductors |
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68 / 242 page ![]() Support Information MPC8XXFADS Design Specification—Rev 0.1 PRELIMINARY—SUBJECT TO CHANGE WITHOUT NOTICE 5•1•4 PCMCIA Port Connector The PCMCIA port connector - P4, is a 68 - pin, Male, 900, PC Card type, signals of which are present- ed in TABLE 5-4. "P4 - PCMCIA Connector Interconnect Signals" below 3 TPRX Twisted-Pair Receive Data positive input to the MPC8XXFADS. 4 - Not connected 5 - Not connected 6 TPRX~ Twisted-Pair Receive Data negative input to the MPC8XXFADS. 7 - Not connected 8 - Not connected TABLE 5-4. P4 - PCMCIA Connector Interconnect Signals Pin No. Signal Name Attribute Description 1 GND Ground. 2 PCCD3 I/O PCMCIA Data line 3. 3 PCCD4 I/O PCMCIA Data line 4. 4 PCCD5 I/O PCMCIA Data line 5. 5 PCCD6 I/O PCMCIA Data line 6. 6 PCCD7 I/O PCMCIA Data line 7. 7 BCE1A~ O PCMCIA Chip Enable 1. Active-low. Enables EVEN numbered address bytes. 8 PCCA10 O PCMCIA Address line 10. 9 OE~ O PCMCIA Output Enable signal. Active-low. Enables data outputs from PC-Card during memory read cycles. 10 PCCA11 O PCMCIA Address line 11. 11 PCCA9 O PCMCIA Address line 9. 12 PCCA8 O PCMCIA Address line 8. 13 PCCA13 O PCMCIA Address line 13. 14 PCCA14 O PCMCIA Address line 14. 15 WE~/PGM~ O PCMCIA Memory Write Strobe. Active-low. Strobes data to PC- Card during memory write cycles. 16 RDY I +Ready/-Busy signal from PC-Card. Allows PC-Card to stall access from the host, in case a previous access’s processing is not completed. 17 PCCVCC O 5V VCC for the PC-Card. Switched by the MPC8XXFADS, via BCSR1. TABLE 5-3. P3 - Ethernet Port Interconnect Signals Pin No. Signal Name Description Freescale Semiconductor, Inc. For More Information On This Product, Go to: www.freescale.com |
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