UPD4991ACX Renesas Electronics America, UPD4991ACX Datasheet - Page 47

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

Specifications of UPD4991ACX

• Lead Free Status / RoHS Status: Supplier Unconfirmed

3.3 Setting Interval Timer
of the time counter operation. In the BASIC TIME MODE (MODE REG.
timer if the CLOCK RESET command is executed. To execute this command, therefore, use the BASIC TIME MODE
(MODE REG.
Because the interval timer is independent of the time counter, it can be stopped, resumed, or reset irrespective
Figure 3-8 shows the procedure of setting the interval timer.
The interval timer does not have to be selected every time unless the interval signal is changed.
0
H
) (for details, refer to 2.3.1 BASIC TIME MODE).
Select interval timer
ALARM SET &
TP2 CONT. MODE
TP2 output control
TP2 output control
Select
Start
End
Figure 3-8. Setting Interval Timer
CHAPTER 3 ACCESS PROCEDURE
Address 0F
Address 0E
Writing to address 0B
Address 0E
H
H
H
2
0D
0A
H
H
H
H
TP2 DISABLE
INTERVAL STOP
TP2 ENABLE
INTERVAL RESET START
3
H
), however, an error occurs in the interval
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