UPD4991ACX Renesas Electronics America, UPD4991ACX Datasheet - Page 42

• Manufacturer Part Number: UPD4991ACX
• Manufacturer: Renesas Electronics America

Specifications of UPD4991ACX

• Lead Free Status / RoHS Status: Supplier Unconfirmed

40
Interrupt every
second
Processing 1
Processing 2
Main routine
Figure 3-3. Reading Time by Using BUSY Signal for Interrupt
CHAPTER 3 ACCESS PROCEDURE
Time reading routine
Access to PD4991A
BASIC TIME MODE,
addresses 0 through 0C
H