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参数资料
| 型号： | TC83230-0021 |
| 元件分类： | 消费家电 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PQFP80 |
| 封装： | 14 X 20 MM, 0.80 MM PITCH, PLASTIC, QFP-80 |
| 文件页数： | 1/28页 |
| 文件大小： | 683K |
| 代理商： | TC83230-0021 |
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TC83230-0021/JTC83230-0021S
2003-03-24
1
TOSHIBA CMOS Digital Integrated Circuit Silicon Monolithic
TC83230-0021,JTC83230-0021S
TC83230-0021, JTC83230-0021S: Single-Chip CMOS LSI for Calculators with Printers
(applicable printer heads: M-42V/42TV/41TAV/48T manufactured by EPSON)
The TC83230-0021, JTC83230-0021S LSI is a single-chip
CMOS LSI for use in calculators with printers.
It integrates I/O logic circuits necessary to configure a
calculator with 10-,12-, or 14-digit display, two-memory function,
serial printer used to print calculation results, oscillator, and
LCD drivers.
Features
Operational Features
Print: 14 digits (numerical value) + 1 digit (decimal point)
+ 2 digits (symbol) + 1 digit (minus) + 4 digits (commas)
Display: 10, 12 or 14 digits (numerical value) + 1 digit (sign)
with commas for separating thousand, million, billion and trillion units.
Decimal output: Floating point (F), specified decimal point (0, 1, 2, 3, 4, 5, 6), add mode (A)
Key-input buffer: 14 words
Operation methods: Addition and subtraction: By ARITHMETIC operation
Multiplication and division: By algebraic operation
Function: Four function, repeat multiplication and division, mixed calculation, square calculation,
percentage calculation, percent discount and add-on calculation, memory calculation, delta
percent calculation, add-mode calculation, mark-up/down calculation, total calculation, constant
calculation, tax calculation, rate conversion.
Two-key rollover
Leading zero suppression
Protection
(1) When an error occurs, only the following key inputs are valid: [C], [C/CE], [Feed], [OFF], [ON], [→],
and [P/NP].
(2) Key chatter protection (at f = 4 MHz)
At key read-in: 15 ms
At key off: 40 ms
Auto-Clear at Power On
Auto-clear functions by connecting a capacitor to the RESET pin.
Conditions for printing in red
(1) When keys except [] and [M] are pressed with print data which is signed negative.
(2) When the [] or [M] key is pressed with print data which is signed positive.
(3) When the intermediate operation result for MU/D or delta% is negative.
Weight: 1.52 g (typ.)
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