CLRC632 Datasheet, PDF (74/163 Pages) NXP Semiconductors – Multiple Protocol Contactless Reader IC

Philips Semiconductors
Multiple Protocol Contactless Reader IC
Product Specification Rev. 3.0; May 2003
CL RC632
6.2 Product Information Field (Read Only)
Byte 0 1 2 3 4
Meaning Product Type Identification
5 6 7 8 9 10 11
RFU
Product Serial Number
12
13
Internal
14
15
RsMaxP CRC
Table 6-2: Product Information Field
PRODUCT TYPE IDENTIFICATION:
The CL RC632 is a member of a new family for highly integrated reader IC’s. Each member of the product
family has its unique Product Type Identification. The value of the Product Type Identification is shown in the
table below:
Byte
0
Product Type Identification
1
2
3
Value
30_hex
FF_hex
FF_hex
0F_hex
Table 6-3: Product Type Identification Definition
Byte 4 indicates the current version number.
PRODUCT SERIAL NUMBER:
The CL RC632 holds a four byte serial number that is unique for each device.
4
XX_hex
INTERNAL:
These 2 bytes hold internal trimming parameters.
RsMaxP:
Maximum Source Resistance for the p-Channel Driver Transistor of pin TX1 and TX2
The source resistance of the p-channel driver transistors of pin TX1 and TX2 may be adjusted via the value
GsCfgCW in the CWConductance Register (see chapter 13.3). The mean value of the maximum adjustable
source resistance of the pins TX1 and TX2 is stored as an integer value in Ohms in byte RsMaxP.
This value is denoted as maximum adjustable source resistance Rs_ref,max,p and is measured setting
GsCfgCW in the Register CWConductance to 01_hex. It is in the range between about 80 to 120 Ohm.
CRC:
The content of the product information field is secured via a CRC-byte, which is checked during start up.
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