TC83220-0025
TC83220-0025 is Single-Chip CMOS LSI manufactured by Toshiba.
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TOSHIBA CMOS Digital Integrated Circuit Silicon Monolithic
TC83220-0025 Single-Chip CMOS LSI for FL (fluorescent) Calculator
The TOSHIBA printing/display calculator circuit TC83220-0025 is 10- or 12-digit calculator on single-chip CMOS LSI. TC83220-0025 can drive the printing machine (M-72T; EPSON) with magnet driver circuit, and can drive the fluorescent display tube with DC-DC converter. It contains a 4 K-word ROM, a 256 × 4-bit RAM.
Features
Operational Features
- Print: 11 or 13 digits of data. (including decimal point) 1 digit of minus sign. 2 digits of operational symbol. 3 digits of mas. 2-colors printing. (black and red)
- Display: 10 or 12 digits of data. (including punctuation in each digit.) 1 digit of floating minus sign, memory load, error symbol, grand total memory load. 3 digits of mas.
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- Decimal output: Decimal set lock key controls output format. Fixed decimal setting (“0”, “1”, “2”, “3”, “4”, “6”), full floating decimal, and ADD mode. Key input buffer: 8 stages Function: 4 basic arithmetic functions (+,
- , ×, ÷). Repeat addition and subtraction. Automatic constants in multiplication, division, percent calculation, calculations. Automatic percent add-on and percent discount calculation. Memory calculation. Automatic accumulating calculation. Gross margin profit calculation. Delta percent calculation. Tax calculation. Grand total calculation. Two-key rollover
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- Item counter: 0~999 count up by depressing of, Punctuation: mas for thousands on display. Kinds of touch key: +,
- key. Weight: 4.12 g (typ.)
2003-02-28
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- Kinds of lock key (refer to page 5.): “NP” printing mode selectable switch. (“ON”: nonprinting mode. “OFF”: printing mode.) “Σ” summation mode selectable switch. “5/4” “CUT” “UP” rounding switch. (“5/4”: “CUT” and “UP” lock key off.) Fixed point mode selectable switch. “0”, “1”, “2”, “3”, “4”, “6”, “F”, “A”. (“A”: ADD mode. “F”: full...
