UPD4991AGS Renesas Electronics America, UPD4991AGS Datasheet - Page 39

• Manufacturer Part Number: UPD4991AGS
• Manufacturer: Renesas Electronics America

Specifications of UPD4991AGS

• Lead Free Status / RoHS Status: Supplier Unconfirmed

CHAPTER 3 ACCESS PROCEDURE
3.1 Writing and Reading Time
3.1.1 Setting time
Because the time counter is updated in real-time, the wrong value may be written to it if a carry occurs while data
is being written to the time counter. To set the time, therefore, stop the clock supplied to the time counter. Figure
3-1 shows a flowchart illustrating the procedure for setting the time.
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