SUPERPRO/3000U万用编程器

TM8720 
FEATURES

1. 1.5V operation only and with low power dissipation. 
2. Powerful instruction set ( 86 instructions)
   * Binary addition, subtraction, BCD adjust, logical operation in direct.
   * Single-bit manipulation (set, reset, decision for branch).
   * Various conditional branch.
   * 16 working registers and manipulation.
   * LCD driver data transfer. 
3. Memory capacity
   * ROM capacity        1024 x 16 bits.
   * RAM capacity         64  x   4 bits. 
4. Input/output ports
   * Port IOA       4 pins (with internal pull-low), IOA port had built in the 
                    input ** chattering prevention circuitry.
   * Port IOB2,3,4     3 pins (with internal pull-low), & mask option with 
                       BZB,BZ. 
5. 4 level subroutine nesting. 
6. Interrupt function
   * External factor       1   (Pin IOA port).
   * Internal factors       2   (Pre-Divider, Timer2). 
7. Built in Alarm, clock or single tone melody generator (BZB, BZ), & mask 
   option with IOB3, 4. 
8. One 6-bit programmable timer (Timer 2) with programmable clock source. 
9. LCD driver output
   * 12 LCD driver outputs (up to drive 48 LCD segments).
   * 1/4 Duty and1/2 Bias for LCD display.
   * Single instruction to turn off all segments.
   * 12 LCD Address. 
10. Built-in Voltage double charge pump circuit. 
11. Clock oscillation can be defined as X’tal, external-R or internal-R 2 type 
    oscillator by mask option. 
12. HALT function. 
13. STOP function.