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Semiconductor MSM66579 Family OKI Original High Performance CMOS 16-Bit Microcontroller GENERAL DESCRIPTION Version 1.00, July 31, 1998 Preliminary The MSM66579 Family including MSM66576, MSM66577, MSM66578, MSM66579, MSM66Q577 (Flash ROM) and MSM66Q579 (Flash ROM) is OKI's original high-performance, CMOS 16-Bit single-chip microcontroller family. The MSM66579 Family is equipped with powerful serial ports which are capable of communication with various external devices: * synchronous with 32 byte FIFO x 2 * synchronous / UART switchable x 2 Also the 12KByte RAM version of the MSM66579 Family (MSM66578, MSM66579 and MSM66Q579) offers many capabilities for various kinds of applications requiring large RAM size. A sub clock oscillator (32.768kHz) allows delicate power management. Bit programmable pull-up ports reduce external parts count, while the small and thin package saves system space. Therefore, the MSM66579 family is suitable for control tasks in portable systems. MSM66Q577 and MSM66Q579 Flash ROM versions of the MSM66579 Family can be programmed by a +2.7V single power supply. Therefore, MSM66Q577 and MSM66Q579 can be programmed on the application system board allowing for quick specification changes and upgrading. TYPICAL APPLICATIONS * PC Peripherals * AV equipment * Portable devices The information contained herein is subject to change without notice due to product and / or technical improvements Semiconductor ESSENTIAL FEATURES DEVICE Operation temperature Supply voltage range/ Max. int. operating frequency Min. instruction execution time Internal ROM size Max. ext. ROM size Internal RAM size Max. ext. RAM size I/O Ports 4kByte 1MByte 64kByte MSM66576 MSM66577 MSM66578 ML66579 Family MSM66579 -30 to +70C +4.5 to 5.5V / f=30MHz +2.4 to 5.5V / f=14MHz 67ns @30MHz (+4.5 to 5.5V) 143ns @14MHz (+2.4 to 5.5V) 61ms @32.768kHz (+2.4 to 5.5V) 128kByte 1MByte 12kByte 64kByte 128kByte 74 I/Os with programmable pull-up, 8 input ports 16-bit free-run timer x 1 compare output / capture input x 2 16-bit timer (auto-reload timer output) x 1 8-bit auto-reload timer x 2 (or 16-bit auto-reload timer x 1) 8-bit auto-reload timer x 1 8-bit auto-reload timer x 2 (shared with baud-rate generator for serial communication) Watch dog timer (shared with 8-bit auto-reload timer) Real-time clock x 1 8-bit PWM x 4ch (used as 16-bit PWM x 2ch) Synchronous / UART x 2 Synchronous with 32 Byte FIIFO x 2 10-bit x 8ch non-maskable x 1, maskable x 8, 3-level priority Address data demultiplexed or multiplexed bus Timer Serial port A/D converter External interrupt Others Flash ROM version Package MSM66Q577 Dual clock system Bus release function MSM66Q579 100-pin TQFP (TQFP100-P-1414-0.50-K) Page 2 Semiconductor ML66579 Family PACKAGE DIMENSIONS 100-Pin TQFP TQFP100-P-1414-0.50-K Page 3 |
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