參數(shù)資料
型號: CLRC632
廠商: NXP Semiconductors N.V.
英文描述: Multiple Protocol Contactless Reader IC
中文描述: 多協(xié)議非接觸式讀卡器IC
文件頁數(shù): 132/163頁
文件大?。?/td> 948K
代理商: CLRC632
Philips Semiconductors
Product Specification Rev. 3.0; May 2003
Multiple Protocol Contactless Reader IC
CL RC632
132
Confidential
18.6.2 READE2 COMMAND 03
HEX
18.6.2.1 Overview
Command
Code
hex
Action
Arguments
Returned Data
ReadE2
03
Reads data from E2PROM and puts it to the
FIFO buffer
Start Address LSB
Start Address MSB
Number of Data Bytes
Data Bytes
The
ReadE2-Command
interprets the first two bytes found in the FIFO buffer as E2PROM starting
byte-address. The next byte specifies the number of data bytes that shall be returned.
When all three argument-bytes are available in the FIFO buffer, the specified number of data bytes is copied
from the E2PROM into the FIFO buffer, starting from the given E2PROM starting byte-address.
The
ReadE2-Command
can be triggered only by the μ-Processor. It stops automatically when all data has
been delivered.
18.6.2.2 Error Flags for the ReadE2 Command
Reading is inhibited for the E2PROM blocks 8
hex
up to 1F
hex
( key memory area). Reading from these
addresses sets the flag
AccessErr
to 1. Addresses above 1FF
hex
are taken modulo 200
hex
(for the E2PROM
memory organisation, refer to chapter 6).
18.7 Diverse Commands
18.7.1 LOADCONFIG COMMAND 07
HEX
18.7.1.1 Overview
Command
Code
hex
Action
Arguments and Data
Returned Data
LoadConfig
07
Reads data from E2PROM and initialises the
registers
Start Address LSB
Start Address MSB
-
The
LoadConfig-Command
interprets the first two bytes found in the FIFO buffer as E2PROM starting
byte-address. When the two argument-bytes are available in the FIFO buffer, 32 bytes from the E2PROM are
copied into the CL RC632 control and configuration registers, starting at the given E2PROM starting
byte-address. The
LoadConfig-Command
can only be started by the μ-Processor. It stops automatically
when all relevant registers have been copied.
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