MN1880024

The MN1880024 is a kind of useful IC. There is some information about the specifications: (1)ROM(*8 bit): external; (2)RAM(*8 bit): 704; (3)minimum instruction execution time: with main clock operated: 0.200s (at 4.5 to 5.5 V, 20 MHz); with sub-clock operated: 122s (at 2.7 to 4.0 V, 32.768 kHz); (4)interrupts: RESET, external 0/key output, external 1, external 2/external 3/external 4/external 5, timer 0, timer 1/PWM, timer 2, timer 3/A/D, timer 4, serial 0, serial 1/UART, runaway; (5)serial interface: serial: 8 bit*2 (synchronous type) (transfer direction of MSB/LSB selectable, start condition function, serial transfer index search): clock source: 1/4, 1/6, 1/32 of system clock, external clock, 1/2 of timer counter 4; UART*1 (8-bit baud rate timer built-in); (6)A/D inputs: 8 bit*8 ch (without S/H); (7)PWM: 16 bit*1 ch (at repetition cycle 0.80s to 26.2 ms, 20 MHz), 10 bit*1 ch (at repetition cycle 0.4 to 204.8s, 20 MHz); (8)ICR: 16 bit*1 ch; (9)OCR: 16 bit*1 ch; (10)special ports: synchronous output (4 bit*1 ch); (11)expanded memory access mode: high-speed bus mode/standard bus mode function; (12)package: QFP084-1818E, QFH084-P-1212.

The following is about the electrical characteristics of supply current (Ta=-20 to +70, VDD=5.0 V, VSS=0 V): (1)operating supply current, IDD: 70 mA max at 20 MHz operation and 5 mA at 32 kHz operation; (2)supply current at STOP, IDD: 50A max at oscillation halt; (3)supply current at HALT, IDD: 500A max at 20 MHz oscillation halt.

The last one is about the A/D converter characteristics (Ta=-20 to +70, VDD=5.0 V, VSS=0 V): (1)A/D conversion linearity error: ±2 LSB max; (2)zero transition voltage, VOT: 500 mV max; (3)full-scale transition voltage, VFT: 4500 mV min; (4)A/D conversion time: 2.60s max when fOSC=20 MHz, at high speed A/D conversion; (5)analog input voltage, VIA: Vref- V min and Vref+ V max.