參數(shù)資料
型號: TMP90C400
廠商: Toshiba Corporation
元件分類: 通用總線功能
英文描述: High Speed Advanced CMOS 8-bit Microcontroller,Integrating 8-Bit CPU,RAM,ROM,General Serial Interface,Multifunction Timer/Event Counter(高速、先進(jìn)的 CMOS 8位微控制器(芯片集成了8位CPU,ROM,RAM,通用串行接口,多功能定時器/事件計(jì)數(shù)器))
中文描述: 采用先進(jìn)的CMOS高速8位微控制器,集成8位CPU,內(nèi)存,光盤,通用串行接口,多功能定時器/事件計(jì)數(shù)器(高速,先進(jìn)的的CMOS 8位微控制器(芯片集成了8位的CPU,ROM和RAM內(nèi)存,通用串行接口,多功能定時器/事件計(jì)數(shù)器))
文件頁數(shù): 62/100頁
文件大?。?/td> 2591K
代理商: TMP90C400
62
TOSHIBA CORPORATION
TMP90C400/401
Determine the set value of the timer registers.
To obtain the frequency of 50kHz,
Pulse cycle t = 1/50kHz = 20
When T1 = 1
μ
s (@ 8MHz),
20
μ
s
÷
1
μ
s = 20
μ
s
Consequently, the timer register 1 (TREG1) should be
set to 20 = 14H.
Given a 1/4 duty, t x 1/4 = 20 x 1/4 = 5
5
μ
s
÷
1
μ
s = 5
As a result, the timer register 0 (TREG0) should be set
to 5 = 05H.
μ
s
Precautions for PPG Output
By rewriting the content of the TREG (timer register), it is possible
to make TMP90C400 output PPG. However, be careful, since
the timing to rewrite TREG differs depending on the pulse
width of PPG to be set. This problem is explained below by an
example.
Example: To output PPG through 8 bit timers 0 and 1
TREG0: Pulse width
TREG1: Cycle
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
TMP90C400F 制造商:未知廠家 制造商全稱:未知廠家 功能描述:8-Bit Microcontroller
TMP90C400N 制造商:未知廠家 制造商全稱:未知廠家 功能描述:8-Bit Microcontroller
TMP90C400N/F 制造商:未知廠家 制造商全稱:未知廠家 功能描述:
TMP90C401F 制造商:未知廠家 制造商全稱:未知廠家 功能描述:8-Bit Microcontroller
TMP90C401N 制造商:未知廠家 制造商全稱:未知廠家 功能描述:8-Bit Microcontroller