Description
Motorla MC68HC705JP7CDW
MC68HC705JP7 – HCMOS Microcontroller Unit – Motorola, IncSurface Mount IC
Product details:
Low-cost, M68HC05 core MCU in 28-pin package (MC68HC705JP7)• 6160 bytes of user EPROM, including 16 bytes of user vectors• 224 bytes of low-power user random-access memory (RAM)• 64 bits of personality EPROM (serial access)• 16-bit programmable timer with input capture and output compare• 15-stage core timer, including 8-bit free-running counterand 4-stage selectable real-time interrupt generator• Simple serial input/output port (SIOP) with interrupt capability• Two voltage comparators, one of which can be combined with the 16-bit programmable timer to create a 4-channel, single-slope analog-to-digital (A/D) converter• Output of voltage comparator can drive port pin PB4 directly undersoftware control• 22 I/O line, including high-source/sink current capability on 14 I/O pins (MC68HC705JP7)• Programmable 8-bit mask option register (MOR) to select mask options found in read-only memory (ROM) based versions• MOR selectable software programmable pulldowns on all I/O pins and keyboard scan interrupt on four I/O pins• Software mask and request bit for IRQ interrupt with MOR selectable sensitivity on IRQ interrupt (edge- and level-sensitive or edge-only)• On-chip oscillator with device option of crystal/ceramicresonator or resistor-capacitor (RC) operation and MOR selectable shunt resistor, 2 MΩ by design
For full data sheet copy and paste:-
http://pdf1.alldatasheet.com/datasheet-pdf/view/106655/MOTOROLA/MC68HC705JP7.html
