MB8994x

FUJITSU SEMICONDUCTOR DATA SHEET DS07-12536-2E 8-bit Proprietary Microcontroller CMOS F2MC-8L MB89940 Series MB89943/P945/PV940 s OUTLINE The MB89940 series is specially designed for automotive instrumentation applications. It features a combination of two PWM pulse generators and four high-drive-current outputs for controlling a stepping motor. It also contains two analog inputs, two PWM pulse generators and 10-digit LCD controller/driver for various sensor/indicator devices. The MB89940 series is manufactured with high performance CMOS technologies and packaged in a 48-pin QFP . s FEATURES 8-bit core CPU; 4 MHz system clock (8 MHz external, 500 ns instruction cycle) 21-bit watchdog timer Clock generator/controller 16-bit interval timer Two PWM pulse generators with four high-drive-current outputs Two-channel 8-bit A/D converter Three external interrupt Low supply voltage reset External voltage monitor interrupt Two more PWM pulse generators for controlling indicator devices 4-common 17-segment LCD driver/controller Package; 48-pin plastic QFP , 48-pin ceramic MQFP (Continued) s PACKAGE 48-pin Plastic QFP 48-pin Ceramic MQFP (FPT-48P-M16) (MQP-48C-P01) MB89940 Series (Continued) 5.0 V single power supply (VPP required for MB89P945) 0.8 µm CMOS technology (MB89PV940 and MB89P945) 0.5 µm CMOS technology (MB89943) On-chip voltage regulator for internal 3.0 V power supply (MB89943) s PRODUCT LINEUP Part number Item Classification ROM siz...