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): 91/163頁
文件大小: 948K
代理商: CLRC632
Philips Semiconductors
Product Specification Rev. 3.0; May 2003
Multiple Protocol Contactless Reader IC
CL RC632
91
Confidential
9.3.2
STOP WATCH
The time T
Timer
between a certain start- and stop event may be measured by the μ-Processor by means of
the CL RC632 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
(
value
load
T
T
Re
=
)
Timer
T
value
Timer
*
if the timer does not decrements down to zero.
9.3.3
PROGRAMMABLE ONE-SHOT TIMER
The μ-Processor starts the timer unit and waits for the timer interrupt. After the specified time T
Timer
the
interrupt will occur.
9.3.4
PERIODICAL TRIGGER
If the μ-Processor sets bit
TAutoRestart
, it will generate an interrupt request periodically after every T
Timer
.
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