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EM73P968 Datasheet(PDF) 1 Page - ELAN Microelectronics Corp |
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EM73P968 Datasheet(HTML) 1 Page - ELAN Microelectronics Corp |
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1 / 53 page  1 * This specification are subject to be changed without notice. EM73P968 4-BIT MICRO-CONTROLLER FOR LCD PRODUCT 8.14.2001 Preliminary GENERAL DESCRIPTION EM73P968 is an advanced single chip CMOS 4-bit one time programming (OTP) micro-controller. It contains 16K-byte ROM, 2.5K nibbles RAM, 4-bit ALU, 13-level subroutine nesting, 22-stage time base, two 12-bit timer/ counters for the kernel function. EM73P968 also contains 6 interrupt sources, 1 input port, 8 bidirection ports, Max LCD display (52x5), built-in watch-dog-timer and high speed Timer/Counter. An analog to digital (A/D) converter having 8-bit multipler analog input and 8-bit resolution. Serial peripheral interface (SPI). EM73P968 has plentiful operating modes (SLOW, IDLE, STOP) intended to reduce the power consumption. FEATURES Operation voltage : 2.2V ~ 6V. Clock source : Dual clock system. Low-frequency oscillator is Crystal or RC oscillator (32K Hz, connect an external resistor) by mask option and high-frequency oscillator is RC (Connect an external resistor) or Crystall oscillator. Instruction set : 107 powerful instructions. Instruction cycle time : Up to 2us for 4 MHz (high speed clock). 122 µs for 32768 Hz (low speed clock with frequency Double) ROM capacity : 16K x 8 bits. RAM capacity : 2.5K x 4 bits. Input port : 1 port, P0(0..3), IDLE/STOP releasing function are available by mask option. Output port : 9 pins (P17.0, P30, P31), P17.0, P30, P31 are shared with LCD pins. Bidirection port : 9 ports (P1, P2, P4, P5, P6, P7, P8, P11, P15). IDLE/STOP releasing function are available by mask option for P8(0..3), P5 and P6 have high current sink. 12-bit timer/counter : Two 12-bit timer/counters are programmable for timer, event counter and pulse width measurement. A/D converter : An analog to digital (A/D) converter having 8-bit multipler analog input and 8-bit resolution. SPI : Serial peripheral interface. Built-in watch-dog-timer : It is available by mask option. Built-in time base counter : 22 stages. Built-in high Speed Timer/Counter : Could be timer. Subrountine nesting : Up to 13 levels. Interrupt : External . . . . . 2 input interrupt sources. Internal . . . . . . 2 Timer overflow interrupts, 1 time base interrupt. 1 high speed counter overflow interrupt. LCD driver : 52 X 5 dots, 1/3 bias, 1/4 or 1/5 duty by mask option. Power saving function : SLOW, IDLE, STOP operation mode. Package type : Chip form. QFP 128 pin. APPLICATIONS EM73P968 is suitable for application in family applicance, consumer products, hand held games, calculator and the toy controller. |
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