UPD78F9234MC-5A4-A Datasheet, PDF (224/419 Pages) Renesas Technology Corp – Old Company Name in Catalogs and Other Documents

CHAPTER 12 MULTIPLIER
12.3 Multiplier Control Register
The multiplier is controlled by the following register.
• Multiplier control register 0 (MULC0)
(1) Multiplier control register 0 (MULC0)
This register indicates the operating status of the multiplier after operation, as well as controls the multiplier.
MULC0 can be set by a 1-bit or 8-bit memory manipulation instruction.
Reset signal generation clears this register to 00H.
Figure 12-2. Format of Multiplier Control Register 0 (MULC0)
Address: FFD2H After reset: 00H RW
Symbol
7
6
5
4
3
2
1
<0>
MULC0
0
0
0
0
0
0
0
MULST0
MULST0
0
1
Multiplier operation start control bit
Stops operation after resetting counter to 0.
Enables operation
Operating status of multiplier
Operation stops
Operation in progress
Caution Be sure to clear bits 1 to 7 to 0.
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User’s Manual U17446EJ5V0UD