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PDF TC83230-0015 Data sheet ( Hoja de datos )
| Número de pieza | TC83230-0015 | |
| Descripción | TC83230-0015: Single-Chip CMOS LSI for Calculators with Printers | |
| Fabricantes | Toshiba | |
| Logotipo |  |
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TC83230-0015
TOSHIBA CMOS Digital Integrated Circuit Silicon Monolithic
TC83230-0015
TC83230-0015: Single-Chip CMOS LSI for Calculators with Printers
(applicable printer heads: M31/M31A manufactured by EPSON)
The TC83230-0015 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- or 12-digit display, two-memory function,
two-tax function, serial printer used to print calculation results,
oscillator, and LCD drivers.
Features
Operational Features
· Print: 10 or 12 digits of data. (including decimal point.)
Weight: 1.52 g (typ.)
1 digit of floating minus sign, 1 digit of operational
symbol.
1-color printing (black).
· 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
commas.
· Decimal output: Decimal set lock key controls output format. Fixed decimal setting (“0”, “1”, “2”, “3”, “4”,
“6”), full floating decimal, ADD mode and ADD2 mode.
· Key-input buffer: 12 words
· Operation methods: Addition and subtraction: By ARITHMETIC operation
Multiplication and division: By algebraic operation
· Function: Four function, repeat multiplication and division, mixed 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
Two-key rollover.
· Leading zero suppression
Protection
(1) In the overflow condition, all key except “C”, “C/CE”, “CE”, “Feed”, “→” key are inoperative.
(2) Key chatter protection.
Auto-Clear at Power On
Auto-clear functions by connecting a capacitor to the RESET pin.
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Key Connection
TC83230-0015
Touch Key
Touch Key Select
Lock Key
ON Key
5
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TC83230-0015
[#/P] ...................... If pressed after the numerical key entry, prints the contents of the key entry data
register together with the # symbol, but does not change the current state. If the
key is pressed after a key except the numerical keys or [+/-] key, does not change
the contents of the displays or the current state. If the key is pressed in clock
mode, automatically prints the displayed date and time.
+TAXI/II ............. Calculate included tax operation or excluded tax operation. But, only prints and
-TAXI/II
does not express the tax. Prints or displays the result-value. (result-value adjusts
decimal-point (TAB) setting.) Feeds the paper one line after prints.
TAXI key operation example:
(TAX = 3%)
a [+TAXI] ........ a (3/100)
(prints TAX)
........ a + (a (3/100)) (included TAX)
a [-TAXII] ........ a/(1 + 3/100) - a (prints TAX)
........ a/(1 + 3/100)
(excluded TAX)
If pressed at key entry after number key entry, calculate the tax as a result of
calculation.
When multiplication/division instruction is stored in memory.
[P/NP] ................... Switches between PRINT and NON-PRINT mode. At reset, NON-PRINT mode is
set. Switches mode in each time when the [P/NP] key is pressed:
P ® NP ® P ® NP. In PRINT mode, displays “print mode”. Valid only when the
[ Τ/L ] lock key is off.
[RND] ................... Switches between round-up, round-off and half-adjust. At reset, half-adjust is set.
Switches the mode in each time when the [RND] key is pressed:
5/4 ® ¯ ® ® 5/4 ® ¯ ® . Displays round-up/round-off. Valid only when the
[ Τ/L ] lock key is off.
[GT MOD] ............ Exchange GT-mode. (initial setting isn’t support GT-mode.)
GT mode cycles not-support and support. And displays GT-mode flag.
Only touch key mode is valid.
[IC MOD].............. Exchange IC-mode. (initial setting isn’t support IC-mode.)
IC mode cycles not-support, IC+ and IC±-mode. And displays IC-mode flag. Any
touch key mode is valid.
[IC/AVE]............... Prints or displays the item counter, when IC/AVE key continuously pressed twice
just after pressed [*] key and [◊] key,
After first, prints or displays the item counter.
The second, the calculation of the mean number are executed, prints or displays
the operation result.
After calculation of the mean number, item counter are cleared.
Example
a (+)
b (+)
c (+)
d (+)
e (+)
f (+)
g (+)
Addition to total
addition/subtraction
register
(*) ® Displays or prints addition/
subtraction register.
(IC/AVE) ® Displays the item counter
(IC/AVE) ® Displays or prints
(a + b + c + d + e + f + g)/7
The even if IC-value is a negative, the calculation of the mean number.
Example
a (-)
b (-)
c (+)
d (-)
Addition to total
addition/subtraction
register
(*) ® Displays or prints addition/
subtraction register.
(IC/AVE) ® Displays the item counter
(IC/AVE) ® Displays or prints
(-a - b + c - d)/½4½ (IC+)
(-a - b + c - d)/½ -2½ (IC±)
11 2003-03-04
11 Page | ||
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| PDF Descargar | [ Datasheet TC83230-0015.PDF ] | |
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