89C5X

FlashFlex51 MCU SST89C54 / SST89C58 SST89C5xFlashFlex51 MCU Data Sheet FEATURES: 8-bit 8051-Compatible Microcontroller (MCU) with Embedded SuperFlash Memory – Fully Software Compatible – Development Toolset Compatible – Pin-For-Pin Package Compatible SST89C54/58 Operation – 0 to 33MHz at 5V 256 Bytes Internal RAM Dual Block SuperFlash EEPROM – SST89C58: 32 KByte primary block (128-Byte sector size) + 4 KByte secondary block (64-Byte sector size) – SST89C54: 16 KByte primary block (128-Byte sector size) + 4 KByte secondary block (64-Byte sector size) – Individual Block Security Lock with SoftLock – Concurrent operation during In-Application Programming (IAP) – Memory Re-mapping for Interrupt Support during IAP Support External Address Range up to 64 KByte of Program and Data Memory Three High Current Drive Ports (16 mA each) Three 16-bit Timers/Counters Full-Duplex Serial Port (UART) Six Interrupt Sources at 2 Priority Levels Programmable Watchdog Timer (WDT) Four 8-bit I/O Ports (32 I/O Pins) TTL- and CMOS-Compatible Logic Levels Low Power Modes – Power-down Mode with External Interrupt Wake-up – Standby (Stop Clock) Low Voltage at 2.7V (0 to 12MHz) PDIP-40, PLCC-44 and TQFP-44 Packages Temperature Ranges: – Commercial (0°C to +70°C) – Industrial (-40°C to +85°C) PRODUCT DESCRIPTION The SST89C54 and SST89C58 are members of the FlashFlex51 family of 8-bit microcontroller products designed and manufactured with the state-of-the-art SuperFlash ...