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): 112/163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
112
Confidential
18 CL RC632 COMMAND SET
18.1 General Description
The CL RC632 behaviour is determined by an internal state machine capable to perform a certain set of
commands. The commands can be started by writing the according command-code to the
Command-
Register
.
Arguments and/or data necessary to process a command are mainly exchanged via the FIFO buffer.
18.2 General Behaviour
Each command, that needs a data stream (or data byte stream) as input will immediately process the
data it finds in the FIFO buffer.
Each command that needs a certain number of arguments will start processing only when it has received
the correct number of arguments via the FIFO buffer.
The FIFO buffer is not cleared automatically at command start. Therefore, it is also possible to write the
command arguments and/or the data bytes into the FIFO buffer and start the command afterwards.
Each command (except the
StartUp-Command
) may be interrupted by the μ-Processor by writing a new
command code into the
Command-Register
e.g.: the
Idle-Command
.
18.3 CL RC632 Commands Overview
Command
Code
Action
Arguments and Data
passed via FIFO
Returned Data
via FIFO
see
Chapter
StartUp
3F
hex
Runs the Reset- and Initialisation
Phase.
Note: This command can not be
activated by software, but only by a
Power-On or Hard Reset
-
-
18.3.2
Idle
00
hex
No action; cancels current command
execution.
-
-
18.3.3
Transmit
1A
hex
Transmits data from the FIFO buffer to
the card.
Data Stream
-
18.4.1
Receive
16
hex
Activates receiver circuitry.
Note: Before the receiver actually
starts, the state machine waits until the
time configured in the register
RxWait
has passed.
Note: This command may be used for
test purposes only, since there is no
timing relation to the
Transmit-
Command
.
-
Data Stream
18.4.2
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