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UPD17015GS Datasheet(PDF) 99 Page - NEC

Part # UPD17015GS
Description  4-BIT SINGLE-CHIP MICROCONTROLLER FOR PORTABLE RADIOS
PDF  120 Pages
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Manufacturer  NEC [NEC]
Direct Link  http://www.nec.com/
Logo NEC - NEC

UPD17015GS Datasheet(HTML) 99 Page - NEC

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µPD17015
15.4
RELATIONSHIP BETWEEN CE RESET AND POWER-ON RESET
When VDD is first turned on, power-on reset and CE reset may be applied simultaneously.
Sections 15.4.1 through 15.4.3 describe this reset operation.
15.4.1
When VDD Pin and CE Pin Rise Simultaneously
Fig. 15-6 (a) shows the reset operation. Power-on reset starts the program from address 0000H.
15.4.2
When CE Pin Raised in Forced Halt State Caused by Power-On Reset.
Fig. 15-6 (b) shows the reset operation. Power-on reset starts the program from address 0000H, as in Section
15.4.1.
15.4.3
When CE Pin Raised After Power-On Reset
Fig. 15-6 (c) shows the reset operation. Power-on reset starts the program from address 0000H. CE reset restarts
the program from address 0000H at the rising edge of the next BTM0CY flag setting signal.



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