MSM6576

E2E0021-38-94 ¡ Semiconductor ¡ Semiconductor MSM6576 GENERAL DESCRIPTION This version: Sep. 1998 MSM6576 Previous version: Mar. 1996 Operatable at 0.9 V and 7-level Detector 4-Bit Microcontroller MSM6576 is a 4-bit, low-power microcontroller that is manufactured in a CMOS silicon-gate process. The microcontroller can be started and operated at a low supply voltage of 0.9 V. This device contains a crystal oscillator circuit, voltage converter circuits, a time base counter, a ROM, a RAM, a stack RAM, I/O ports, interrupt function components, a serial I/O port, a buzzer output circuit, a level detector, and a differential amplifier. www.DataSheet4U.com This IC is driven by one battery and is well suited to products that need to be operated under low power consumption. FEATURES The IC can be initialized and operated even at a low voltage of 0.9 V. Low power consumption ROM : 2048 words ¥ 17 bits RAM : 64 words ¥ 4 bits I/O port Input-output port : 7 ports ¥ 4 bits Input port : 1 port ¥ 1 bit Interrupt functions (real-time interrupt, external interrupt, and serial interrupt) Serial I/O port : 8-bit sync communication Buzzer output circuit Level detector : 7-level detection Comparator 73 instructions Minimum instruction execution time : 61 ms Operation under single 1.5 V power supply Built-in 32.768 kHz crystal oscillator circuit Package options: 44-pin plastic QFP (QFP44-P-910-0.80-K) (Product name : MSM6576-¥¥GS-K) 44-pin plastic QFP (QFP44-P-9...