NEC PD17062 Manuale Utente
180
µ
PD17062
14.5 RELATIONSHIP BETWEEN CE RESET AND POWER-ON RESET
When supply voltage is first turned on, power-on reset and CE reset may be applied simultaneously.
Sections 14.5.1 through 14.5.3 describe this reset operation.
Section 14.5.4 describes the cautions when supply voltage rises.
14.5.1 When V
DD
Pin and CE Pin Rise Simultaneously
Fig. 14-6 (a) shows the reset operation. Power-on reset starts the program from address 0000H.
14.5.2 When CE Pin Raised in Forced Halt State Caused by Power-on Reset.
Fig. 14-6 (b) shows the reset operation. Power-on reset starts the program from address 0000H, as in Section
14.5.1.
14.5.3 When CE Pin Raised after Power-on Reset
Fig. 14-6 (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 timer carry FF set signal.