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User’s Manual U19780EJ2V0UD
501
CHAPTER 17 MULTIPLIER/DIVIDER
17.1 Functions of Multiplier/Divider
The multiplier/divider is mounted onto all 78K0/Kx2-A microcontrollers.
The multiplier/divider has the following functions.
•
16 bits
×
16 bits = 32 bits (multiplication)
•
32 bits
÷
16 bits = 32 bits, 16-bit remainder (division)
17.2 Configuration of Multiplier/Divider
The multiplier/divider includes the following hardware.
Table 17-1. Configuration of Multiplier/Divider
Item Configuration
Registers
Remainder data register 0 (SDR0)
Multiplication/division data registers A0 (MDA0H, MDA0L)
Multiplication/division data registers B0 (MDB0)
Control register
Multiplier/divider control register 0 (DMUC0)
Figure 17-1 shows the block diagram of the multiplier/divider.