UPD77018中文资料瑞萨数据手册PDF规格书

FEATURES

• FUNCTIONS

• Instruction cycle: 30 ns (MIN.)

Operation clock: 33 MHz

External clock: 33, 16.5, 8.25, 4.125 MHz

Crystal: 33 MHz

• On-chip PLL to provide higher operation clock than the external clock

• Dual load/store

• Hardware loop function

• Conditional execution

• Executes product-sum operation in one instruction cycle

• PROGRAMMING

• 16 bits ´ 16 bits + 40 bits ® 40 bits multiply accumulator

• 8 general registers (40 bits each)

• 8 ROM/RAM data pointer: each data memory area has 4 registers

• 10 source interrupts (external: 4, internal: 6)

• 3 operand instructions (example: R0 = R0 +R1L*R2L)

• Nonpipeline on execution stage

• MEMORY AREAS

• Instruction memory area : 64K words ´ 32 bits

• Data memory areas : 64K words ´ 16 bits ´ 2 (X memory, Y memory)