SLRC40001T/OFE,112 NXP Semiconductors, SLRC40001T/OFE,112 Datasheet - Page 78

• Manufacturer Part Number: SLRC40001T/OFE,112
• Description: IC I.CODE SLRC400 READER 32-SOIC
• Manufacturer: NXP Semiconductors
• Series: I-Coder

Specifications of SLRC40001T/OFE,112

• Rf Type: Read Only
• Frequency: 13.56MHz
• Features: ISO15693, ISO18000-3
• Package / Case: 32-SOIC (0.300", 7.50mm Width)
• Product: RFID Readers
• Operating Temperature Range: - 25 C to + 85 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant
• Other names: 568-1124-5; 935269551112; SLRC400; SLRC41TOFED

Philips Semiconductors
I•CODE Reader IC
9.3
9.3.1
Having started the timer by setting TReloadValue the timer unit decrements the TimerValue Register
beginning with a certain start event. If a certain stop event occurs e.g. a bit is received from the label, the
timer unit stops (no interrupt is generated).
On the other hand, if no stop event occurs, e.g. the label does not answer in the expected time, the timer unit
decrements down to zero and generates a timer interrupt request. This signals indicate the µ-Processor that
the expected event has not occurred in the given time T
9.3.2
The time T
the SL RC400 timer unit. Setting TReloadValue the timer starts to decrement. If the defined stop event
occurs the timers stops. The time between start and stop can be calculated by
if the timer does not decrements down to zero.
9.3.3
The µ-Processor starts the timer unit and waits for the timer interrupt. After the specified time T
interrupt will occur (TautoRestart = 0).
9.3.4
If the µ-Processor sets bit TautoRestart and TreloadValue not equal 0, it will generate an interrupt request
periodically after every T
Usage of the Timer Unit
TIME-OUT- AND WATCH-DOG-COUNTER
STOP WATCH
PROGRAMMABLE ONE-SHOT TIMER
PERIODICAL TRIGGER
Timer
between a certain start- and stop event may be measured by the µ-Processor by means of
Timer
.
∆
T
=
(
T
Re
load
value
78
−
Timer
Timer
.
value
Product Specification Rev. 3.1 August 2004
)
*
T
Timer
SL RC400
Timer
the