tenx technology TM8955
The TM8955 is an embedded high-performance 4-bit microcontroller with LCD driver. It contains all the necessary functions, such as 4-bit parallel processing ALU, ROM, RAM, I/O ports, timer, clock generator, dual clock operation, Resistance to Frequency Converter(RFC), EL panel driver, LCD driver, look-up table, watchdog timer and key matrix scanning circuitry etc.DESCRIPTION
V1.0 V1.1 V1.2 Nov, 2007 New release Feb, 2009 1. Modify “PAD COORDINATE”to“PAD ASSIGNMET” 2. Modify RAM figure 3. Modify Operating Freq 6144 to 4096 4. Modify 2.2V 6 MHz to 4 MHz 5. Modify the instruction table of column 5 and 6 6. Revise the NOP description 7. Omit “LDS” column 8. Add “T2M3X”column in the instruction sets. April, 2009 Revise the format of the document. V1.3 Dec, 2011 Add Ordering Information table. Preliminary 2 tenx technology inc. Rev.1.3, 2011/12/30 Advance Information DS-TM8955_E 4-Bit Microcontroller CONTENTS AMENDMENT HISTORY.....................................................................................................2GENERAL DESCRIPTION
..................................................................................................4FEATURES
.........................................................................................................................4APPLICATIONS
..................................................................................................................6 BLOCK DIAGRAM .....................................................................................