UPD75218 NEC, UPD75218 Datasheet - Page 27

• Manufacturer Part Number: UPD75218
• Description: 4-BIT SINGLE-CHIP MICROCOMPUTER
• Manufacturer: NEC

8. RESET FUNCTIONS
Note
The reset signal (RES) generator has a configuration shown in Fig. 8-1.
Fig. 8-2 shows the reset operation.
Table 8-1 lists the hardware statuses after reset operation.
31.3 ms when the microcomputer operates at 4.19 MHz
RESET input
RESET
Normal operation mode or
standby mode
Fig. 8-2 Reset Operation by RESET Input
Fig. 8-1 Reset Signal Generator
Internal reset operation
Wait
(21.8 ms/when the microcomputer
operates at 6.0 MHz)
HALT mode
Note
Internal reset signal
(RES)
Normal operation
mode
PD75218
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