TC83220-0009
TOSHIBA CMOS Digital Integrated Circuit Silicon Monolithic
TC83220-0009
TC83220-0009: Single-Chip CMOS LSI for FL (fluorescent) Calculator with Printers
The TOSHIBA printing/display calculator circuit
TC83220-0009 is 10/12-digit calculator on a single-chip CMOS
LSI.
TC83220-0009 can drive the printing machine (M-42TV/42V;
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 脳 4-bit RAM.
Features
Operational Features
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Print: 12/14 digits of data.
(including decimal point and minus signs.) 2 digits
of operational symbol.
3 digits of commas.
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Display: 10/12 digits of data. (including punctuation in each digit.)
1 digit of floating minus sign, memory load, error symbol.
3 digits of commas.
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Decimal output: Decimal set lock key controls output format.
Fixed decimal setting (鈥?鈥? 鈥?鈥? 鈥?鈥? 鈥?鈥? 鈥?鈥? 鈥?鈥?, full floating decimal, and ADD mode.
Key input buffer: 8 stages
Function: 4 basic arithmetic function (+,
鈭?
脳, 梅).
Repeat addition and subtraction.
Automatic constants in multiplication, division, percent calculation, calculations.
Automatic percent add-on and percent discount calculations.
Memory calculation.
Automatic accumulating calculation.
Gross margin profit calculation.
Delta percent calculation.
Two-key rollover.
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Item counter: 0~999 count up or
鈭?99~0~999
count up/down by depressing of
Punctuation: Commas for thousands on display.
Kinds of touch key:
key.
Weight: 4.12 g (typ.)
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2003-02-28