tenx technology TM87ML22
The TM87ML22(L/H) is a Multiple Time Programmed ROM embedded high-performance 4-bit microcomputer 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 in a signal chip.DESCRIPTION
1.0 May, 2018 New release. DS-TM87ML22_E 2 Rev 1.0, 2018/05/10 TM87ML22 Data Sheet CONTENTS AMENDMENT HISTORY ......................................................................................................... 2 CONTENTS.................................................................................................................................. 3GENERAL DESCRIPTION
....................................................................................................... 4 FEATURE..................................................................................................................................... 4 APPLICATION ............................................................................................................................ 6 BLOCK DIAGRAM .................................................................................................................... 6 PAD ASSIGNMENT....................................................................................................................