FEATURES
· Internal memory
• Program memory (ROM)
: 8064 ´ 8 bits (mPD75108A)
: 4096 ´ 8 bits (mPD75104A)
• Data memory (RAM)
: 512 ´ 4 bits (mPD75108A)
: 320 ´ 4 bits (mPD75104A)
· Architecture “75X” rivaling 8-bit microcomputers
· 43 systematically organized instructions
• A wealth of bit manipulation instructions
• 8-bit data transfer, compare, operation, increment, and decrement instructions
• 1-byte relative branch instructions
• GETI instruction executing 2-/3-byte instruction with one byte
· High speed. Minimum instruction execution time: 0.95 ms (at 4.19 MHz, 5V)
· Instruction execution time change function: 0.95 ms/1.91 ms/15.3 ms (at 4.19 MHz)
· I/O port pins as many as 58
· Three channels of 8-bit timers
· 8-bit serial interface
· Multiplexed vector interrupt function