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5812-DS00-R Datenblatt(PDF) 81 Page - Broadcom Corporation.

Teilenummer 5812-DS00-R
Bauteilbeschribung  Security Processor
PDF  84 Pages
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Hersteller  BOARDCOM [Broadcom Corporation.]
Direct Link  http://www.broadcom.com
Logo BOARDCOM - Broadcom Corporation.

5812-DS00-R Datenblatt(HTML) 81 Page - Broadcom Corporation.

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Advance Data Sheet
BCM5812
3/11/03
B roa dcom Co rpo rat ion
Document
5812-DS01-405-R
Description
Page 73
Appendix C: EEPROM Information
DESCRIPTION
The BCM5812 optional serial EEPROM should be an industry standard type 93C46. The part should be configured for 16-
bit operation and connected as shown in Figure 43. The EEPROM must be externally programmed, as the BCM5812 does
not support write or erase cycles.
Figure 43: EEPROM Connection
PROGRAMMING
Table 32 shows the EEPROM locations accessed by the BCM5812 and what information should be programmed into each.
For reference, the equivalent default value for that location, which the BCM5812 supplies if no EEPROM is present, is also
listed. All other locations should be programmed to 0xFF.
Although the BCM5812 makes 16-bit accesses, the EEPROM contents are shown in Table 32 with their respective byte
offset, as though for byte programming.
BCM5823
93C46
ORG
CS
EEPROM_CS
DO
DI
EEPROM_DI
EEPROM_DO
SK
EEPROM_SK
EEPROM#
VCC
BCM5823
93C46
ORG
CS
EEPROM_CS
DO
DI
EEPROM_DI
EEPROM_DO
SK
EEPROM_SK
EEPROM#
VCC



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