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GENERAL

The MC68HC05P15 is a 28-pin device based on the MC68HC05P5 with an on-chip analog voltage comparator and a two channel PWM. The memory map includes 3072 bytes of user ROM, 64 bytes of user EPROM, and 128 bytes of RAM. The MCU has two I/O ports, A and C, consisting of 15 pins with mask programmable pull-up resistors. Port B consists of 3 pins, 2 input only and 1 output only, shared with an analog voltage comparator. PWM circuitry does not share the output pins with any other module. Port D has 1 input only pin. The MC68HC05P15 has a 16 bit timer, a mask programmable Computer Operating Properly (COP) Watchdog, a mask programmable STOP disable option, and Illegal Address Reset (ILADR) circuitry to insure proper functioning of any system.

FEATURES

Low cost Low noise HC05 Core 28 pin package On-Chip Oscillator with RC or Crystal/Ceramic Resonator Mask Options 3072 Bytes of User ROM including 16 user vector locations 64 Bytes of User EPROM with EPROM Programming Register 128 Bytes of On-Chip RAM 16 Bit Timer 2 PWM channels with programmable polarity, period, counter width (8/6 bit) one analog voltage comparator with a digital output 15 Bidirectional I/O Lines, 3 input-only lines, 3 output-only lines User Mode and Bootloader Mode Power Saving STOP and WAIT Modes Edge-Sensitive or Edge- and Level-Sensitive Interrupt Trigger Mask Option Port Pull-up Mask Option for Ports A and C Mask option selectable Watchdog Timer (COP) Illegal Address Reset (ILADR) STOP disable Mask Option Internal Resistor and Capacitors for Oscillator Circuitry