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AN83

AN83REV3 53

Serial Number

The two serial number words make up the unique 32-bit OEM serial number for the adapter.

Low Word

Bits 7-0 bits[7-0] of 32-bit serial number

Bits 15-8 bits[15-8] of 32-bit serial number

High Word

Bits 7-0 bits[31-24] of 32-bit serial number

Bits 15-8 bits[23-16] of 32-bit serial number

Serial ID Checksum

Word 34h contains an 8-bit LFSR checksum calculated on the EISA ID and OEM serial number (words

30h to 33h). The 8-bit LFSR checksum is placed in the low byte of 34h. The high byte is padded with

the constant 0Ah.

1 2 ... 48 49 50 51 52 53 54 55 56 57 58

Application Note 1
TABLE OF CONTENTS 2
AN83REV3 3 3
SCHEMATIC CHECKLIST 4
SOFTWARE CHECKLIST 5
INTRODUCTION TO CS8900A 6
TECHNICAL REFERENCE MANUAL 6
HARDWARE DESIGN 7
BUS SYSTEMS 7
The CS8900A Architecture 7
CS8900A in I/O Mode 8
CS8900A in Memory Mode 8
DMA Interface of the CS8900A 8
Address Generation 9
Read and Write Signals 10
SBHE Signal 10
Other Control Signals 10
Status Signals from CS8900A 11
Databus (SD[0:15]) Connection 11
EEPROM Optional 11
Cirrus Logic CL-PS7211 12
Hitachi SH3 12
AN83REV3 13 13
14 AN83REV3 14
AN83REV3 15 15
CS8900 EVAL BOARD REV. B 16
P/N CDB8900B 16
CS8900 EVAL BOARD REV. C 17
10BASE-T Interface 18
10BASE-2 and AUI Interfaces 18
Logic Schematics 18
AN83REV3 19 19
Bill of Material 20
AN83REV3 21 21
AN83REV3 23 23
24 AN83REV3 24
AN83REV3 25 25
AUI Interface 26
AN83REV3 27 27
28 AN83REV3 28
AN83REV3 29 29
Memory Mode 31
Lower Memory Mode 31
Extended Memory Mode 31
32 AN83REV3 32
Figure 23. PAL Program 34
AN83REV3 39 39
40 AN83REV3 40
AN83REV3 41 41
42 AN83REV3 42
AN83REV3 43 43
RECOMMENDED MAGNETICS FOR 44
THE CS8900A 44
JUMPERLESS DESIGN 45
Serial EEPROM 45
Reset Configuration Block 45
Table 6. Transformer Vendors 46
IEEE Physical Address 49
ISA Configuration Flags 49
PacketPage Memory Base 50
Boot PROM Memory Base 50
Boot PROM Mask 50
Transmission Control 50
Adapter Configuration Word 51
EEPROM Revision 51
Manufacturing Date 52
IEEE Physical Address (Copy) 52
16-bit Checksum 52
Serial Number 53
Serial ID Checksum 53
Embedded Designs 54
OBTAINING IEEE ADDRESSES 55
DEVICE DRIVERS AND 56
SETUP/INSTALLATION SOFTWARE 56
Installation Procedure 56
CONTACTING CUSTOMER SUPPORT 57
AT CIRRUS 57
Cirrus Web Site 57

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