PRINCIPLES OF OPERATION
2-4. Power-On Reset Circuit
The
Fig.
+5V
+
C9
| +5V |
IC3 | +5V |
| |
| VCC |
CD | OUT |
| GND |
Drive circuit IC1 : CPU
CPU
RESRESO
+5V
+5V
IC4
RESET
Gate array
RESET IC
D1
Fig.
1At
T = 0.34 × C9 (pF) [µs] = 160ms
2The LOW signal generates reset of the CPU and gate array, and stops operation of the mechanism drive circuitry.
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