Information

Section Number Title Page
48.3.19 UART FIFO Transmit Watermark (UARTx_TWFIFO).............................................................................1324
48.3.20 UART FIFO Transmit Count (UARTx_TCFIFO).......................................................................................1324
48.3.21 UART FIFO Receive Watermark (UARTx_RWFIFO)...............................................................................1325
48.3.22 UART FIFO Receive Count (UARTx_RCFIFO)........................................................................................1326
48.3.23 UART 7816 Control Register (UARTx_C7816).........................................................................................1326
48.3.24 UART 7816 Interrupt Enable Register (UARTx_IE7816)..........................................................................1328
48.3.25 UART 7816 Interrupt Status Register (UARTx_IS7816)............................................................................1329
48.3.26 UART 7816 Wait Parameter Register (UARTx_WP7816T0).....................................................................1331
48.3.27 UART 7816 Wait Parameter Register (UARTx_WP7816T1).....................................................................1331
48.3.28 UART 7816 Wait N Register (UARTx_WN7816)......................................................................................1332
48.3.29 UART 7816 Wait FD Register (UARTx_WF7816)....................................................................................1333
48.3.30 UART 7816 Error Threshold Register (UARTx_ET7816)..........................................................................1333
48.3.31 UART 7816 Transmit Length Register (UARTx_TL7816)........................................................................1334
48.4 Functional description...................................................................................................................................................1335
48.4.1 Transmitter...................................................................................................................................................1335
48.4.2 Receiver.......................................................................................................................................................1340
48.4.3 Baud rate generation....................................................................................................................................1354
48.4.4 Data format (non ISO-7816)........................................................................................................................1356
48.4.5 Single-wire operation...................................................................................................................................1359
48.4.6 Loop operation.............................................................................................................................................1360
48.4.7 ISO-7816 / smartcard support......................................................................................................................1360
48.4.8 Infrared interface..........................................................................................................................................1365
48.5 Reset..............................................................................................................................................................................1366
48.6 System level interrupt sources......................................................................................................................................1366
48.6.1 RXEDGIF description..................................................................................................................................1367
48.7 DMA operation.............................................................................................................................................................1368
48.8 Application information................................................................................................................................................1368
48.8.1 Transmit/receive data buffer operation........................................................................................................1368
K20 Sub-Family Reference Manual, Rev. 6, Nov 2011
Freescale Semiconductor, Inc. 45