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GENERAL DESCRIPTION

The MSM65524A is a high-performance 8-bit microcontroller that employs OKI original nX-8/50 CPU core. With a minimum instruction execution time of 400 ns (10MHz clock), the MSM65524A is capable of high-speed processing, and includes 16K bytes of program memory, 384 bytes of data memory, timers, serial ports, an A/D converter and PWMs on chip. Also available are the MSM65P524, which replaces the on-chip program memory with one-time PROM, and the MSM65X524A, which uses the external program memory.

FEATURES

? Operating range

Operating frequency : 0 to 10MHz (VDD=4.5 to 5.5V)

0 to 5MHz (VDD=2.7 to 5.5V)

Operating voltage : 2.7 to 5.5V

Operating temperature : –40 to +85°C

? Memory space : 64K bytes

Internal program memory : 16K bytes

Internal data memory : 384 bytes

? Minimum instruction execution time : 400ns @ 10 MHz

? Powerful instruction set : 83 basic instructions

8/16-bit operation instructions

Bit manipulation instructions

Compound function instructions

? Abundant addressing modes

? Multiplication/division operation functions : 8 X 8 → 16

16 ÷ 8 → 16 ... 8

? I/O port

Input-output port : 5 ports X 8 bits

1 port X 4 bits

Input port : 1 port ￥ 8 bits

? Timers : 8-bit auto-reload timer X 2

16-bit auto-reload timer X 1

Watchdog timer X 1

? Counters : Time base counter X 1

16-bit free-running counter X 1

? Capture input : 1 channel

? Compare output : 2 channels

? Serial ports : Shift register X 1

Serial port with baud rate generator

(UART/Synchronous) X 1

? A/D converter : 8 bits ￥ 8 channels

? PWM : 8 bits X 2 channels

PWM with auto-reload timer for period setting

? External interrupts : 3

? Interrupt sources : 19

? Package options

64-pin plastic shrink DIP (SDIP64-P-750-1.78) : (Product name: MSM65524A-XXXSS,

MSM65P524-XXXSS)

64-pin plastic QFP (QFP64-P-1414-0.80-BK) : (Product name: MSM65524A-XXXGS-BK,

MSM65P524-XXXGS-BK)

68-pin plastic QFJ (PLCC) (QFJ68-P-S950-1.27): (Product name: MSM65524A-XXXJS,

MSM65P524-XXXJS)

XXX indicates the code number.