GENERAL DESCRIPTION
The MSM6353/6353L is a low-power 4-bit microcontroller manufactured in CMOS process technology. It is best suited for the control of battery-driven equipment. The built-in 8-bit or 5-bit serial port provides a data communication capability with external apparatus.

FEATURES
• Low power consumption
• Large capacity memory
• ROM : 4096 words x 15 bits
• RAM : 1024 words x 4 bits
• I/O port
    Input-output port : 5 ports · 4 bits (input or output can be specified for each port)
• 1.5 V single-power-supply operation (MSM6353)
    Can be changed to 3.0 V specification by mask option (MSM6353L).
• Built-in watchdog timer
• Built-in serial port of 8 bits or 5 bits (asynchronous)
• 32.768 kHz built-in crystal oscillator circuit
• Package options:
    42-pin shrink DIP (SDIP42-P-600-1.78) (Product name: MSM6353-xxSS, MSM6353L-xxSS)
    44-pin plastic QFP (QFP44-P-910-0.80-K) (Product name:MSM6353-xxGS-K, MSM6353L-xxGS-K)
                    (QFP44-P-910-0.80-2K) (Product name: MSM6353-xxGS-2K, MSM6353L-xxGS-2K)
                            xx indicates the code number.