µPD75216A
8. RESET FUNCTIONS
The reset signal (RES) generator has a configuration shown in Fig. 8-1.
Fig. 8-1 Reset Signal Generator
RESET
Internal Reset Signal
(RES)
Mask
Option
SWB
Bit
Power-On
Reset
Generator
Manipulation
Instruction
Execution
SWA
Power-On Flag
(PONF)
The power-on reset generator is a circuit to generate a one-shot pulse upon detection of the start-up of the power
voltage. This pulse is used in the following three ways according to SWA, SWB mask option specification shown
in Fig. 8-1. (Refer to 10. MASK OPTION SELECTION.
31
NEC [ NEC ]
