Product Summary

The M38203M4-125FP is an 8-bit microcomputer based on the 740 family core technology. The M38203M4-125FP has the LCD drive control circuit and the serial I/O as additional functions. The M38203M4-125FP includes variations of internal memory size and packaging. For details, refer to the section on part numbering. For details on availability of microcomputers in the 3820 group, refer to the section on group expansion. The applications of the M38203M4-125FP include Household appliances, consumer electronics, and so on.

Parametrics

M38203M4-125FP absolute maximum ratings: (1)Power source voltage: -0.3V to 7.0V; (2)Input voltage: -0.3V to VCC +0.3V; (3)Input voltage VL1: -0.3V to VL2 V; (4)Input voltage VL2: VL1 to VL3 V; (5)Input voltage VL3: VL2 to VCC +0.3V; (6)Input voltage RESET, XIN: -0.3V to VCC +0.3V; (7)Output voltage P00–P07, P10–P17 at output port: -0.3V to VCC +0.3V; (8)Output voltage P30–P37: -0.3V to VL3+0.3V; (9)Output voltage P20–P27, P41–P47, P50–P57, P60, P61, P70, P71: -0.3V to VCC +0.3V; (10)Output voltage SEG0–SEG15: -0.3V to VL3+0.3V; (11)Output voltage XOUT: -0.3V to VCC +0.3V; (12)Power dissipation: 300mW; (13)Operating temperature: -20℃ to 85℃; (14)Storage temperature: -40℃ to 125℃.

Features

M38203M4-125FP features: (1)Basic machine-language instructions: 71; (2)The minimum instruction execution time (at 8MHz oscillation frequency): 0.5us; (3)ROM: 4 K to 32 K bytes; (4)RAM: 192 to 1024 bytes; (5)Programmable input/output ports: 43; (6)Software pull-up/pull-down resistors (Ports P0-P7 except Port P40); (7)Interrupts: 16 sources, 16 vectors; (8)LCD drive control circuit; (9)2 Clock generating circuit; (10)In high-speed mode: 4.0 to 5.5 V (at 8MHz oscillation frequency and high-speed selected); (11)In middle-speed mode: 2.5 to 5.5 V (at 8MHz oscillation frequency and middle-speed selected); (12)In low-speed mode: 2.5 to 5.5 V; (13)In high-speed mode: 32mW (at 8 MHz oscillation frequency); (14)In low-speed mode: 45mW (at 32 kHz oscillation frequency, at 3 V power source voltage); (15)Operating temperature range: -20℃ to 85℃ (Extended operating temperature version: -40℃ to 85℃)

Diagrams

M38203M4-125FP block diagram

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