80CL31 Datasheet, PDF (26/40 Pages) NXP Semiconductors – Low-voltage single-chip 8-bit microcontrollers

Philips Semiconductors
Low-voltage single-chip 8-bit microcontrollers
Product specification
80CL31/80CL51
SUPPLY
VOLTAGE
POWER-ON
RESET (INTERNAL)
SWITCHING LEVEL
POR
OSCILLATOR
HYSTERESIS
CPU RUNNING
START-UP
TIME
1536 OSCILLATOR
PERIODS DELAY
Figure 18. Power-on Reset Switching Level
V_CC
+
10µF
V_CC
80CL51
RST
R_RST
January 1995
Figure 19. Recommended Power-on Reset Circuitry
26