Sharp PC-1211
Encyclopedia
Sharp Corporation
is a Japanese multinational corporation that designs and manufactures electronic products. Headquartered in Abeno-ku, Osaka, Japan, Sharp employs more than 55,580 people worldwide as of June 2011. The company was founded in September 1912 and takes its name from one of its founder's first...
PC-1211 is a small handheld computer, also marketed as Tandy TRS-80 PC1
Tandy Pocket Computer
A Tandy Pocket Computer is one of a line of 1980s small pocket computers—calculator-sized programmable computing devices—sold primarily under the Tandy or Radio Shack brands, but were actually rebadged Sharp and Casio devices with different model names. They were given designations from...
. This model was powered by a 4-bit
4-bit
The Intel 4004, the world's first commercially available single-chip microprocessor, was a 4-bit CPU. The F-14 Tomcat's Central Air Data Computer was created a year before the 4004, but its existence was classified by the United States Navy until 1997...
CPU laid out in power-saving CMOS
CMOS
Complementary metal–oxide–semiconductor is a technology for constructing integrated circuits. CMOS technology is used in microprocessors, microcontrollers, static RAM, and other digital logic circuits...
circuitry.
Technical specifications
- 24 digit dot matrix LCD
- Full QWERTY-style keyboard
- Integrated beeper
- Connector for printer and tape drive
- Programmable in BASIC
- Uses four MR44 1.35 V Mercury button cells
- Battery life in excess of 200 hours
- 1424 program steps, 26 permanent variable locations (A-Z or A$-Z$) and 178 variables shared with program steps
- Built out of off-the-shelf CMOS components, including SC43177/SC43178 processors at 256 kHz and three TC5514P 4 Kbit RAM modules
External links
- Sharp PC-1211 on MyCalcDB (database about 70's and 80's pocket calculators)
- Accessories