SM3515
SM3515
DESCRIPTION
The SM3515 is a CMOS 4-bit single-chip microcomputer for databank incorporating data memory RAM, LCD driver, key input circuits and buzzer output circuit. By connecting an external crystal, a 1Hz timer interrupt is made possible for easier clock function.
FEATURES
• ROM capacity :
Program ROM |
12 k x 23 bits |
Character ROM |
5 x 8 x 128 bits |
• RAM capacity : |
|
Working RAM |
256 x 4 bits |
Display RAM |
60 x 8 bits |
Data RAM |
512 x 8 bits |
•LCD display : 60-segment x 8-common
•I/O ports :
Buzzer output |
1 bit (4 kHz) |
Key input |
7 bits |
•Standby release : 2 events (2 Hz signal, key input)
•Built-in oscillator :
System clock (built-in CR oscillator) |
300 kHz |
Timer (built-in CR oscillator) |
32.8 kHz |
(external crystal) |
32.768 kHz |
•Instruction cycle time : 10 µs
•Operating temperature : –10 to +60°C
•Supply voltage : 2.5 to 3.4 V
•Package : 100-pin QFP (QFP100-P-1420)
4-Bit Single-Chip Microcomputer
(For Data Bank Use)
In the absence of confirmation by device specification sheets, SHARP takes no responsibility for any defects that may occur in equipment using any SHARP devices shown in catalogs, data books, etc. Contact SHARP in order to obtain the latest device specification sheets before using any SHARP device.
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