PCF7936AS datasheet(25/32 Pages) PHILIPS

25 / 32 page

NXP Semiconductors

Product Specification

Security Transponder (HITAG2)

PCF7936AS

2010 May 04

CONFIDENTIAL

EEPROM CONTENT AT DELIVERY

The

PCF7936AS EEPROM content is initialized during

device manufacturing, according to Table 5.

However the EEPROM content may be modified as desired

by the application, except for the page 0 block 0 which

holds the Identifier (IDE) and serves the function of a serial

number and product type ID.

Table 5. EEPROM Content Upon Delivery

bit 31

bit 0

Content [HEX]

Page

Note

XX XX XX 1X

4D 49 4B 52

XX XX XX XX

06 AA 48 54

XX XX XX XX

Note

1. Bit 7 to 4 of the this page (Identifier) serve the function

of a product type (application) identifier and are set to

‘0001’ for the PCF7936AS.

2. Initially the device is configured for Password mode with

the Transport Key (Password Basestation, PSW B, as

specified (page1). The customer as desired for the

application may change the configuration.

3. Locations marked ‘X’ are undefined and may hold any

pattern.

PCF7936AS Datasheet(PDF) 25 Page - NXP Semiconductors