PC87309VLJ datasheet(7/192 Pages) NSC

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4.5.15

ECP Extended Auxiliary Status Register (EAR) .......................................................... 93

4.5.16

Control0 Register ......................................................................................................... 93

4.5.17

Control2 Register ......................................................................................................... 93

4.5.18

Control4 Register ......................................................................................................... 94

4.5.19

PP Confg0 Register ..................................................................................................... 94

4.6

DETAILED ECP MODE DESCRIPTIONS ................................................................................. 95

4.6.1

Software Controlled Data Transfer (Modes 000 and 001) ........................................... 95

4.6.2

Automatic Data Transfer (Modes 010 and 011) .......................................................... 95

4.6.3

Automatic Address and Data Transfers (Mode 100) ................................................... 97

4.6.4

FIFO Test Access (Mode 110) .................................................................................... 97

4.6.5

Configuration Registers Access (Mode 111) ............................................................... 97

4.6.6

Interrupt Generation .................................................................................................... 97

4.7

PARALLEL PORT REGISTER BITMAPS ................................................................................. 98

4.7.1

EPP Modes .................................................................................................................. 98

4.7.2

ECP Modes ................................................................................................................. 99

4.8

PARALLEL PORT PIN/SIGNAL LIST ...................................................................................... 101

5.0

Enhanced Serial Port with IR -UART2 (Logical Device 2)

5.1

FEATURES .............................................................................................................................. 102

5.2

FUNCTIONAL MODES OVERVIEW ....................................................................................... 102

5.2.1

UART Modes: 16450 or 16550, and Extended .......................................................... 102

5.2.2

Sharp-IR, IrDA SIR Infrared Modes ........................................................................... 102

5.2.3

Consumer IR Mode ................................................................................................... 102

5.3

REGISTER BANK OVERVIEW ............................................................................................... 102

5.4

UART MODES – DETAILED DESCRIPTION .......................................................................... 104

5.4.1

16450 or 16550 UART Mode ..................................................................................... 104

5.4.2

Extended UART Mode ............................................................................................... 104

5.5

SHARP-IR MODE – DETAILED DESCRIPTION ..................................................................... 105

5.6

SIR MODE – DETAILED DESCRIPTION ................................................................................ 105

5.7

CONSUMER-IR MODE – DETAILED DESCRIPTION ............................................................ 105

5.7.1

Consumer-IR Transmission ....................................................................................... 105

5.7.2

Consumer-IR Reception ............................................................................................ 106

5.8

FIFO TIME-OUTS .................................................................................................................... 106

5.8.1

UART, SIR or Sharp-IR Mode Time-Out Conditions ................................................. 106

5.8.2

Consumer-IR Mode Time-Out Conditions ................................................................. 106

5.8.3

Transmission Deferral ............................................................................................... 107

5.9

AUTOMATIC FALLBACK TO A NON-EXTENDED UART MODE .......................................... 107

5.11

BANK 0 – GLOBAL CONTROL AND STATUS REGISTERS ................................................. 107

5.11.1

Receiver Data Port (RXD) or the Transmitter Data Port (TXD) ................................. 108

5.11.2

Interrupt Enable Register (IER) ................................................................................. 108

5.11.3

Event Identification Register (EIR) ............................................................................ 110

5.11.4

FIFO Control Register (FCR) ..................................................................................... 112

5.11.5

Link Control Register (LCR) and Bank Selection Register (BSR) ............................. 112

5.11.6

Bank Selection Register (BSR) ................................................................................. 113

5.11.7

Modem/Mode Control Register (MCR) ...................................................................... 114

PC87309VLJ 数据表(PDF) 7 Page - National Semiconductor (TI)

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