melanie101
05-15-2010, 02:25 AM
Edited by seekic.com,the leading IC purchasers' best choice of platform for one-stop valued service!
Description:
Features of the W78C32B (http://www.seekic.com/icdata/W78C32B.html)are:(1)8-bit CMOS microcontroller;(2)fully static design;(3)low standby current at full supply voltage;(4)DC-40 MHz operation;(5)256 bytes of on-chip scratchpad RAM;(6)ROM less operation;(7)64K bytes program memory address space;(8)64K bytes data memory address space;(9)four 8-bit bidirectional ports;(10)three 16-bit timer/counters;(11)one full duplex serial port;(12)boolean processor;(13)six-source,two-level interrupt capability;(14)built-in power management;(15)package is DIP 40.
The absolute maximum ratings of the W78C32B can be summarized as:(1):the parameter is DC power supply,the symbol is Vcc-Vss,the rating is -0.3 to +7.0,the unit is V;(2):the parameter is input voltage,the symbol is VIN,the rating is Vss-0.3 to Vcc+0.3,the unit is V;(3):the parameter is operating temperature,the symbol is TA,the rating is 0 to 70,the unit is ℃;(4):the parameter is storage temperature,the symbol is TST,the rating is -55 to +150,the unit is ℃.
Description:
Features of the W78C32B (http://www.seekic.com/icdata/W78C32B.html)are:(1)8-bit CMOS microcontroller;(2)fully static design;(3)low standby current at full supply voltage;(4)DC-40 MHz operation;(5)256 bytes of on-chip scratchpad RAM;(6)ROM less operation;(7)64K bytes program memory address space;(8)64K bytes data memory address space;(9)four 8-bit bidirectional ports;(10)three 16-bit timer/counters;(11)one full duplex serial port;(12)boolean processor;(13)six-source,two-level interrupt capability;(14)built-in power management;(15)package is DIP 40.
The absolute maximum ratings of the W78C32B can be summarized as:(1):the parameter is DC power supply,the symbol is Vcc-Vss,the rating is -0.3 to +7.0,the unit is V;(2):the parameter is input voltage,the symbol is VIN,the rating is Vss-0.3 to Vcc+0.3,the unit is V;(3):the parameter is operating temperature,the symbol is TA,the rating is 0 to 70,the unit is ℃;(4):the parameter is storage temperature,the symbol is TST,the rating is -55 to +150,the unit is ℃.