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E0C624A

4-bit Single Chip Microcomputer

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PF647-05

E0C624A
4-bit Single Chip Microcomputer
ge olta V n e o Wid erati ts p O oduc Pr

q Core CPU Architecture q Dot Matrix LCD Driver q Programmable SVD Circuit/Sound Generator

s DESCRIPTION
The E0C624A is an advanced single-chip CMOS 4-bit microcomputer consisting of the E0C6200 4-bit core CPU. The chip contains the ROM, RAM, dot matrix LCD driver, programmable SVD circuit, time base counter and clock synchronous serial port. Interfacing with the external memory, the E0C624A can be applied to any system requiring large memory such as schedule reminder, and dot matrix display function.

s FEATURES
q CMOS LSI 4-bit parallel processing q Clock ..................................................... 32.768kHz/2MHz (Max.) (selectable by software) q Instruction set ........................................ 108 instructions q Instruction cycle time ............................ 153µsec, 214µsec or 366µsec at 32kHz (depending on instruction) 5µsec, 7µsec or 12µsec at 1MHz (depending on instruction) q ROM capacity ....................................... 6,144 × 12 bits q RAM capacity ........................................ 640 × 4 bits q External memory capacity .................... Read/Write 512K bits (Max.) Read only 1M bits (Max.) q Input port ............................................... 8 bits (pull-up resistors are available by mask option) q Output port ............................................ 20 bits (clock output or buzzer output is available by mask option) q I/O port .................................................. 16 bits (pull-up resistors are available by mask option) q Serial I/O port ........................................ 1 port (clock sync.) q Dot matrix LCD driver ........................... 40 segments × 8 commons/40 segments × 16 commons (1/8 or 1/16 duty is selectable by mask option) q Built-in SVD circuit ................................ 2.3V/2.6V/3.3V/4.5V programmable q Built-in stopwatch timer q Built-in watchdog timer q Built-in time base counter ..................... 3 lines q Interrupts ............................................... External : Input interrupt Internal : Timer interrupt Serial I/O interrupt q Supply voltage ...................................... 2.2V to 5.5V q Current consumption ............................ HALT mode (32kHz) : 2.5µA (Typ.) OPERATING mode (1MHz) : 400µA (Typ.) q Package ................................................ QFP5-128pin (plastic) Die form 2 lines 3 lines 1 line

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