mc9s12ne64 Freescale Semiconductor, Inc, mc9s12ne64 Datasheet - Page 13
mc9s12ne64
Manufacturer Part Number
mc9s12ne64
Description
Hcs12 Microcontrollers Microcontroller
Manufacturer
Freescale Semiconductor, Inc
Datasheet
1.MC9S12NE64.pdf
(554 pages)
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11.1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 307
11.2 External Signal Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 308
11.3 Memory Map and Register Descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 311
11.4 Functional Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 330
12.1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 347
12.2 External Signal Descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 349
Freescale Semiconductor
11.1.1 Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 307
11.1.2 Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 308
11.2.1 MII_TXCLK — MII Transmit Clock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 309
11.2.2 MII_TXD[3:0] — MII Transmit Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 309
11.2.3 MII_TXEN — MII Transmit Enable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 309
11.2.4 MII_TXER — MII Transmit Coding Error . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 309
11.2.5 MII_RXCLK — MII Receive Clock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 309
11.2.6 MII_RXD[3:0] — MII Receive Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 310
11.2.7 MII_RXDV — MII Receive Data Valid . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 310
11.2.8 MII_RXER — MII Receive Error . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 310
11.2.9 MII_CRS — MII Carrier Sense . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 310
11.2.10MII_COL — MII Collision . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 310
11.2.11MII_MDC — MII Management Data Clock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 311
11.2.12MII_MDIO — MII Management Data Input/Output . . . . . . . . . . . . . . . . . . . . . . . . . . 311
11.3.1 Module Memory Map . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 311
11.3.2 Register Descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 312
11.4.1 Ethernet Frame . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 330
11.4.2 Receiver . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 333
11.4.3 Transmitter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 338
11.4.4 Ethernet Buffers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 340
11.4.5 Full-Duplex Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 341
11.4.6 MII Management . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 342
11.4.7 Loopback . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 344
11.4.8 Software Reset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 345
11.4.9 Interrupts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 345
11.4.10Debug and Stop . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 345
12.1.1 Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 347
12.1.2 Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 348
12.2.1 PHY_TXP — EPHY Twisted Pair Output + . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 349
12.2.2 PHY_TXN — EPHY Twisted Pair Output – . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 349
12.2.3 PHY_RXP — EPHY Twisted Pair Input + . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 349
12.2.4 PHY_RXN — EPHY Twisted Pair Input – . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 350
12.2.5 PHY_RBIAS — EPHY Bias Control Resistor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 350
Ethernet Media Access Controller (EMACV1)
Ethernet Physical Transceiver (EPHYV2)
MC9S12NE64 Data Sheet, Rev. 1.1
Chapter 11
Chapter 12
13
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