Please note that all data and specifications are subject to change without notice. All the trade marks of products
and companies mentioned in this data sheet belong to their respective owners.
LIFE SUPPORT APPLICATIONS
These products are not designed for use in life support appliances, devices, or systems where malfunction of these
products can reasonably be expected to result in personal injury. Customers using or selling these products for
use in such applications do so at their own risk and agree to fully indemnify Fintek for any damages resulting from
such improper use or sales.
F81216.
August, 2007
V0.32P
F81216
Table of Content
1. General Description.......................................................................................................................................1
4.3 Power ......................................................................................................................................................7
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
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
F81216
6.3.2
I/O Port Select Register – index 60h...................................................................................22
6.3.3
I/O Port Select Register – index 61h...................................................................................23
6.3.4 IRQ Channel Select Register – index 70h ..............................................................................23
6.3.5 UART 2 Clock Select Register – index F0h ...........................................................................23
6.4 UART 3 Device Control Register (LDN 2) ..........................................................................................23
6.4.1
Device Enable Register – index 30h...................................................................................24
6.4.2
I/O Port Select Register – index 60h...................................................................................24
6.4.3
I/O Port Select Register – index 61h...................................................................................24
6.4.4 IRQ Channel Select Register – index 70h ..............................................................................24
6.4.5 UART 3 Clock Select Register – index F0h ...........................................................................25
6.5 UART 4 Device Control Register (LDN 3) ..........................................................................................25
6.5.1
Device Enable Register – index 30h...................................................................................25
6.5.2
I/O Port Select Register – index 60h...................................................................................25
6.5.3
I/O Port Select Register – index 61h...................................................................................25
6.5.4 IRQ Channel Select Register – index 70h ..............................................................................26
6.5.5 UART 4 Clock Select Register – index F0h ...........................................................................26
6.6 Watch Dog Timer Device Control Register (LDN 8) ........................................................................26
6.6.1
Device Enable Register – index 30h...................................................................................26
6.6.2
I/O Port Select Register – index 60h...................................................................................26
6.6.3
I/O Port Select Register – index 61h...................................................................................27
6.6.4
IRQ Channel Select Register – index 70h ..........................................................................27
6.6.5
Timer Status and Control Register – index F0h..................................................................27
6.6.6
Timer Count Number Register – index F1h........................................................................28
7. Electron Characteristic .............................................................................................................................29
7.1 Absolute Maximum Ratings ..............................................................................................................29
7.2 DC Characteristics ................................................................................................................................29
8. Ordering Information ...............................................................................................................................30
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