DATAMATH CALCULATOR MUSEUM
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DATAMATH CALCULATOR MUSEUM |
Texas Instruments TI-83
| Date of introduction: | Jan.10, 1996 | Display technology: | LCD dot matrix |
| New price: | $125 | Display size: | 8 * 16 characters |
| Size: | 7.2" x 3.2" x 0.80" 182 x 81 x 20 mm3 |
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| Weight: | 6.4 ounces, 182 grams | Serial No: | 17432776 |
| Batteries: | 4*AAA + CR1620 (35mA) | Date of manufacture: | mth 05 year 1997 (H) |
| AC-Adapter: | Origin of manufacture: | Taiwan (I) | |
| Precision: | 14 | Integrated circuits: | CPU: Toshiba T6C79 ROM: TI83-02©1996 RAM: SRM28256 Display: Toshiba T6A04 |
| Memories: | |||
| Program steps: | 27k Bytes | Courtesy of: | Joerg Woerner |
From
a users point
of view the TI-83 is compatible with the TI-82
but added some financial functions and the "official" support of
assembly programming. A smart decision, the TI-83 developed itself as a popular
programming platform and prepared the tremendous success of the TI-83 Plus.
From
a technical point of view the TI-83 is very similar to the revised TI-82
introduced in 1996, too. The main differences are the integration of the Z80
core and the supporting ASIC into the Toshiba T6C79
Application Specific
CPU. This high integrated chip found its way into the TI-82
Parcus and TI-83 Parcus, both introduced in June 2000. Learn more about the
Hardware Architecture of TI’s Graphing Calculators.
Just
for your notes: The TI-82 Parcus introduced in 2001 makes use of the same chips
as the TI-83 introduced in 1996. In 2006 their successors, the TI-82
stats.fr resp. TI-83 Plus were identical!
CPU
(Central processing Unit): The Toshiba T6C79 is a so-called Application Specific
CPU and combines a Z80 core with an ASIC (Application Specific Integrated
Circuit). You’ll find different approaches within the graphing calculator line
of Texas Instruments, sometimes the usage of an individual CPU (e.g. Z80 and
M68000) with a supporting ASIC or – like with this TI-83 - the integration of
the CPU into the ASIC.
The
TI83-02©1996
ROM
of this TI-83 was manufactured by Macronix International, the largest
supplier of ROM products established in 1989 in
Don't
miss a TI-83 manufactured in May 1998 sporting the TI883-03©1998
ROM.
RAM
(Random Access Memory): The RAM is used as data memory and is used to store both
variables, user programs and intermediate results. This TI-83 makes use of
SRM28256 manufactured by Epson, Japan. The capacity of the memory is 32k Bytes.
DISPLAY:
The Toshiba
T6A04 is a driver for small-to-medium-sized dot matrix graphic
LCD. It is compatible with Z80 based CPUs and drives displays with up to
120 columns and 64 rows. The display of the TI-83 is just 96 * 64, therefore
only one display driver is necessary. The bare chip is mounted on a flexible
piece of circuit board attached between the display and the main PCB.
A special "teacher version" called TI-83
VSC combines the standard TI-83 features with a port to connect to a
ViewScreen panel via a cable. Placing the panel on the overhead projector
enlarges the image of the handheld screen so that each student can follow along.
A serial port of the calculators allows the connection to the Calculator-Based Laboratory system CBL, its successor CBL 2, the Calculator-Based Ranger CBR and its successor CBR 2.
Don't miss the colorful slide cases developed for the TI-83 Plus, they fit on the TI-83, too.
The TI-83 was mentioned in TI's press release dated August 15, 2002 to celebrate the 35th anniversary of its invention of the electronic calculator.
ROM-Versions:
1.02
1.03
1.04
1.06
1.07
You can check the ROM version of your TI-83 using the following key sequence and reading the number on your screen:
