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MPC821 데이터시트(PDF) 212 Page - NXP Semiconductors |
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MPC821 데이터시트(HTML) 212 Page - NXP Semiconductors |
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212 / 242 page ![]() Support Information 36 MPC860TFADS Daughter Board Design Specification—Rev 0.1 MOTOROLA PRELIMINARY—SUBJECT TO CHANGE WITHOUT NOTICE TABLE 5-11. PM3 Interconnect Signals Pin No. Signal Name Attribute Description 1 ETHRX O, X Ethernet port Receive Data. When the ethernet port is disabled via BCSR1 - tri-stated. Appears also at P8. 2 GND 3 4 UUFEN~ O, L When this signal is active (LOW) it enable the LXT970 device. This signal connected to the TRSTE signal of the LXT970. In DTE mode when this pin is high the LXT970 isolate it self from the MII data interface. In repeater mode when it is high the LXT970 tree state the MII output pins. 5 ETHTX I, X Ethernet Port Transmit Data. Appears also at P8. 6 GND 7 8 PC9 X, X MPC’s PI/O C 9 pin. Appears also at P8 but otherwise unused on the FADS. 9 IRDRXD O, X InfraRed Port Receive Data. When the I/R port is disabled via BCSR1 - tri-stated. Appears also at P8. 10 GND 11 IRDTXD I, X InfraRed Port Transmit Data. Appears also at P8. 12 GND 13 14 PC8 I/O, X MPC PI/O port C 8. Appears also at P8 but otherwise unused. 15 PA11 I/O, X MPC PI/O port A 11. Appears also at P8 but otherwise unused. 16 GND 17 PA10 I/O, X MPC PI/O port A 10. Appears also at P8 but otherwise unused. 18 GND 19 20 PC7 I/O, X MPC PI/O port C 7. Appears also at P8 but otherwise unused. 21 PA9 I/O, X MPC PI/O port A 9. Appears also at P8 but otherwise unused. 22 GND 23 PA8 I/O, X MPC PI/O port A 9. Appears also at P8 but otherwise unused. 24 GND 25 26 PC13 I/O, X MPC PI/O port C 13. Appears also at P8 but otherwise unused. Freescale Semiconductor, Inc. For More Information On This Product, Go to: www.freescale.com |
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