The 53254 is a DC solid state relay (SSR) designed for high reliability industrial applications. This light weight
device is resistant to damage from severe shock and vibration, and is immune to contact related problems inherent
in electro-mechanical relays. The SSR is enclosed in a hermetic metal package to ensure reliability in harsh
environments. Effective isolation of 1000 VDC between control and load circuits is achieved through the use of
optical coupling.
Functionally, the device operates as a single-pole single-throw, normally open (1 Form A) DC solid-state relay. The
SSR is actuated by an input current of 5 to 15 mA, which can be supplied from standard logic types such as open-
collector TTL. Output is provided by a power MOSFET capable of carrying a continuous current of 10 amperes.
ABSOLUTE MAXIMUM RATINGS
Output Voltage ....................................................................................................................................................... 45 VDC
Continuous Output current ..........................................................................................................................................10 A
Peak Output Current
(1)
........................................................................................................................................ 20 A
Storage Temperature Range .................................................................................................................. -65ºC to +150ºC
Operating Junction Temperature........................................................................................................... -55ºC to +150ºC
Lead Solder Temperature for 10 seconds ............................................................................................................. 300ºC
Continuous Input Current ........................................................................................................................................25 mA
Peak Input Current
(2)
........................................................................................................................................... 100 mA
Reverse Input Voltage ............................................................................................................................................. 6 VDC
用的是DSP2833x_usDelay.asm里面这个延时函数，声明在DSP2833x_Examples.h里，
根据里面的注释，
;// 1 - update the CPU clock speed in the DSP2833x_Examples.h
;// file. For exampl ......
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