PC-V510

PROM Software's

SHARP PC-V510 Pocket Computer
Specifications

Photo #1
Photo #2
Photo #3
Battery Compartment
Specifications (with PC-1270 comparison)
System Commands
Circuit Board Photo

These specifications and the legends on the keyboard are preliminary and may vary in production units.

The key over the number 7 key is the [MENU], and the key over the [C.CE] key is the [CALC] key.

Cover Nearly Closed

Shown with hinged cover nearly closed.

Cover Open

Shown with hinged cover half-way open.

Cover will flip around next to the back of the calculator when fully open.

Pocket-Size When Cover Closed

Compact, slim design fits easily into a shirt pocket or purse.

Battery Compartment

The two main batteries are at the left, and the RAM backup battery is under the blue cover.

If the main batteries become exhausted, the calculator will not run until you replace them. The backup battery keeps the memory intact.

The backup battery can be replaced without losing programs or data stored in RAM memory.

The RESET button is just to the right of the battery compartment.

PC-V510 Specifications
(with comparison to PC-1270)

Model	PC-V510x	PC-1270
Display	LCD High-contrast FSTN 96 wide x 64 high pixels 16 columns at 6 pixels each upper/lower case Two character sizes: 6 x 12 pixels/character 5 lines 5 x 7 pixels/character 8 lines	LCD 16 characters on 1 line upper case only One character size: 5 x 7 pixels/character 1 line
Memory	Built-in RAM (protected with internal backup battery) RAM 256K	None internal Requires RAM or Flash card RAM 8K, 16K Flash 32K, 64K, 128K
System ROM Area	128K.	48K.
System RAM Area	6,048 bytes.	848 bytes.
Free Memory	256K: 256,096 bytes	8K: 7,344 bytes 16K: 15,536 32K: 40,112 64K: 64,688 128K: 130,224
Calculator Functions	Yes	Yes
Precision	12 digits + 2 digit exponent up to 20 digits with double precision.	10 digits + 2 digit exponent
Programming Language	BASIC 2-byte tokens with structured commands. Estimate that a converted PC1270 program will take 50% more space due to 2-byte tokens and additional code required to manipulate the 8-line screen.	BASIC 1-byte tokens.
Machine Language Capability	Yes through PEEK, POKE & CALL, plus built-in machine language routines.	No.
RAM Files	Yes. Data files can be created in RAM memory.	No
Keyboard	0-9 Number Pad Calculator keys 4 Function Keys.	0-9 Number Pad Calculator keys 8 Function keys.
CPU	8-bit CMOS Sharp ESR-Q 2.304 MHz 20-bit addresses (1 MB).	4-bit CMOS Sharp 1.024 MHz 16-bit addresses (64K).
Clock (Day/date)	No	No
Sound	No	No
I/O Port	RS-232C 300 to 9600 baud CMOS level (5 v) (requires level converter). Parity: Even/odd/none Stop bits: 1 or 2 Data length: 7 or 8 bits. Flow control: Hardware and X-on/X-off. Requires CE-150TS Level Converter to communicate to a PC through RS232 port. Requires CE-400L Cable to communicate between units.	11-pin Sharp proprietary. Requires CE-123P Printer/Cassette Interface to communicate with a Cassette recorder. Requires EA-129C Cable to communicate between units.
Power Supply	2 x CR-2032 (photo) 1 x CR-2016 (for backup) Up to 70 hours (10 minutes of operation plus 50 minutes of display per hour at 20^oC).	2 x CR-2032 Up to 120 hours (10 minutes of operation plus 50 minutes of display per hour at 20^oC).
Dimensions (H x W x D)	7/16 x 5-1/2 x 2-13/16 inches 12 x 140 x 72 mm (with hard cover closed) Horizontal format, display on left with keys on right Fits in shirt pocket	3/16 x 5-5/16 x 2-3/4 inches 9.5 x 135 x 70 mm Horizontal format, display on left with keys on right Fits in shirt pocket
Weight	3.7 ounces 105 grams	3.0 ounces 85 grams
Operating Temperature	0 to 40^oC	0 to 40^oC
County of Manufacture	China	Japan
Accessories (included)	Hard cover hinged at top. Folds flat against the back. Batteries.	Hard case. Batteries.
Accessories (optional)	CE-150TS Level Converter. CE-400L Interconnecting Cable (between two units). CE-SP1 serial to parallel converter enables printing to a standard parallel-port printer (may not be available outside of Japan).	CE-123P Printer CE-126P Printer EA-129C Interconnecting Cable (between two units).

Circuit Board

Main circuit board.

Main batteries are located to the far left, with the backup battery location just to their right.

CPU, System ROM and RAM chips shown.

15-pin Serial input/output connector is located at top half of right side.

PC-V510 System Commands

	Keys	Description
Menu	[MENU]	1) Set Contrast 2) Show Free Memory
Calculate	[CALC]	Enables calculation mode. Push any function key to start a program.
Executing the following System Commands requires that the specified key combination be held down for 3 seconds together with the RESET key, and then for another 3 seconds after the RESET key is released.
Initialize	[ON]	Erases all RAM (including all programs and data) and initializes calculator.
Communications Menu	[4] & [÷] (Number 4 and divide keys)	Allows setting of communication parameters and loading of programs.
System Manager Menu	[MENU] & [CALC]	Allows setting of memory area to be reserved for data files.
Diagnostics Menu	[F1] & [F4]	Run diagnostics which will erase all programs and data. Calculator must be initialized (see above) to return to normal operation.

22 Sep 2010