MSM80C51F - OKI electronic componets

MSM80C51F CMOS 8-Bit Microcontroller

The OKI MSM80C31F/MSM80C51F microcontroller is a low-power, 8-bit device implemented in OKI's silicon-gate complementary metal-oxide semiconductor process technology. The device includes 4K bytes of mask programmable ROM (MSM80C51F only), 128 bytes of data RAM, 32 I/O lines, two 16-bit timer/counters, a five-source two-level interrupt structure, a full duple.

Features

• Low power consumption by 2 mm silicon gate CMOS process technology
• Fully static circuit
• Internal program memory : 4K bytes (MSM80C51F)
• External program memory space : 64K bytes
• Internal data memory (RAM) : 128 bytes
• External data memory (RAM) space : 64K bytes
• I/O ports : 8-bit ¥ 4 ports
• Two 16-bit timer/counters
• Multifunctional serial port (UART)
• Five interrupt sources (Priority can be set)
• Four sets of working registers (R0-7 ¥ 4)
• Stack : Internal data memory (RAM) 128-byte area can be used arbitrarily (by SP specified)
• Two CPU power-down modes (1) Idle mode : CPU s.