F81216 View Datasheet(PDF) - Feature Integration Technology Inc.

Part Name

Description

Manufacturer

F81216

LPC to 4 UART

Feature Integration Technology Inc. 

Table of Content

F81216

1. General Description.......................................................................................................................................1

2. Feature List....................................................................................................................................................1

3. Pin Configuration ..........................................................................................................................................2

4. Pin Description..............................................................................................................................................3

4.1 ISA/LPC Interface ..................................................................................................................................3

4.2 UART Interface.......................................................................................................................................4

4.3 Power ......................................................................................................................................................7

5. Functional Description ..................................................................................................................................8

5.1 LPC Interface .......................................................................................................................................8

5.2 UART...................................................................................................................................................8

5.2.1 UART Port Register .....................................................................................................................9

5.3 IR Function ........................................................................................................................................13

5.4 Watch Dog Timer Function................................................................................................................13

5.4.1 Watchdog Port Register ..........................................................................................................14

5.5 Serial IRQ ..........................................................................................................................................14

5.5.1 Start Frame.................................................................................................................................15

5.5.2 IRQ/Data Frame.........................................................................................................................15

5.5.3 Stop Frame .................................................................................................................................16

6. Register Description............................................................................................................................16

6.1 Global Control Register .....................................................................................................................19

6.1.1 Software Reset Register – index 02h .........................................................................................19

6.1.2 Logic Device Select Register – index 07h.................................................................................19

6.1.3 Device ID Register– index 20h, 21h..........................................................................................19

6.1.4 Vendor ID Register– index 23h, 24h..........................................................................................19

6.1.5 Clock Source Select Register – index 25h.................................................................................20

6.1.6 Test Mode Register – index 2Fh ................................................................................................20

6.2 UART 1 Device Control Register (LDN 0) ..........................................................................................20

6.2.1 Device Enable Register – index 30h...................................................................................20

6.2.2 I/O Port Select Register – index 60h...................................................................................20

6.2.3 I/O Port Select Register – index 61h...................................................................................21

6.2.4 IRQ Channel Select Register – index 70h ..............................................................................21

6.2.5 UART 1 Clock Select Register – index F0h ...........................................................................21

6.2.6 IR1 Control Register – index F1h...........................................................................................22

6.3 UART 2 Device Control Register (LDN 1) ..........................................................................................22

6.3.1 Device Enable Register – index 30h...................................................................................22

F81216.

August, 2007

V0.32P

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