NEC 78K0S/KB1+ User Manual page 218

Multiplication data
register A (MRA0)
218
CHAPTER 12 MULTIPLIER
Figure 12-1. Block Diagram of Multiplier
Internal bus
Selector
16-bit
adder
16-bit multiplication result
storage register 0 (Master) (MUL0)
16-bit multiplication result
storage register 0 (Slave)
Internal bus
User's Manual U17446EJ3V1UD
Multiplication data
register B (MRB0)
Counter value
3
Multiplier control
register 0 (MULC0)
CPU clock
3-bit counter
Start Clear
Reset
MULST0