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Description as follow:

The MC68HCP11A1FN is a 8-bit microcontroller. The MC68HCP11A1FN high-performance microcontroller unit(MCU) is based on the M68HC11 Family. The high speed, low power consumption chip has multiplexed buses and a fully static design. The chip of the MC68HCP11A1FN can operate at frequencies from 3 MHz to dc. The three MCU is created from the same masks; the only differences are the value stored in the CONFIG register, and whether or not the ROM or EEPROM is tested and guaranteed.

Features

MC68HCP11A1FN features: (1)M68HC11 CPU; (2)Power Saving STOP and WAIT Modes; (3)8 Kbytes ROM; (4)512 Bytes of On-Chip EEPROM; (5)256 Bytes of On-Chip RAM (All Saved During Standby); (6)16-Bit Timer System; (7)8-Bit Pulse Accumulator; (8)Real-Time Interrupt Circuit; (9)Computer Operating Properly (COP) Watchdog System; (10)Synchronous Serial Peripheral Interface (SPI); (11)Asynchronous Nonreturn to Zero (NRZ) Serial Communications Interface (SCI); (12)8-Channel, 8-Bit Analog-to-Digital (A/D) Converter.

Diagrams