News Release

2014-04-24
Tenx Brand-new Release TM52M5254/M5258—High Efficiency 8051 Series

TM52M5254/M5258 integrates high efficiency F51 internal core, with accurate 12-bit
ADC, low power consumption clock and LCD display function, TM52M5254 is very
suitable for home appliances, for example rice cooker, electric stove, thermos, coffee
machine, AC home appliances, etc… The specification meets engineering rules -40℃
~85℃ operating temperature and high noise immunity EFT/ESD characteristics demand,
suitable for use in a variety of AC power supply product field.

TM52M5254/M5258 uses tenx F51 CPU Core, compared to the traditional 8051 IC, the
overall operating speed is faster and more efficient. TM52M5254/M5258 keeps most of
the characteristics in standard 8051, program memory provides 4 KBytes MTP multi-
time programmable memory space, and also provides ICP storage function; developers
can store data directly into MTP memory space, while internal IRAM provides 256 Bytes
storage space, UART interface is compatible with standard 8051, Timer0/1/2 is standard
8051 timer. In internal TM52M5254/M5258 provides dual frequency input FRC 7.3728
MHz and SRC 80 KHz, in external also provides oscillator frequency input FXT 1~6 MHz
or SXT 32.768 KHz. And allows developer chooses system frequency, can select
different operating frequency under different operating mode (Fast/Slow/Idle/Stop); can
achieve the overall power saving. TM52M5254/M5258 provides 2 sets of 8+2 PWM
digital output, while external input provides 10-ch input 12-bit ADC. Besides,
TM52M5258 provides very low power Touch key structure, using touch key hardware for
touch key detection. Therefore, touch key detection speed is very fast, the overall
power consumption is very small when detected, TM52M5258 touch key structure is
highly-integrated IC, only needs very little external element, yet can provide up to 14
touch key inputs.

For TM52M5254/M5258, tenx plans of using convenient USB development tool (EV5254
board), which can directly use EV5254 to do ICE in-line trimming. Using USB EV5254
Board immediately simulate IC condition, can access memory space and set register
directly, provide routine breakpoint and step, can execute tracking analysis data,
increase program development efficiency and debug capability, very suitable for fast
product development.

More information please visit http://www.tenx.com.tw/News.aspx?NewsID=91 or contact Mr. Bruce Liao at Seraphim, Tel:02.26984540 ext. 245 or email bruceliao@seraphim.com.tw



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