UPD6600A NEC, UPD6600A Datasheet - Page 7

• Manufacturer Part Number: UPD6600A
• Description: 4-BIT SINGLE-CHIP MICROCONTROLLER FOR REMOTE CONTROL TRANSMISSION
• Manufacturer: NEC

9.
and the system clock ø is stopped.
The system clock generator consists of a resonator, which uses a ceramic resonator (400kHz to 500kHz).
In the STOP mode (oscillation stop HALT instruction), the oscillator in the system clock generator stops its operation,
SYSTEM CLOCK GENERATOR
OSC-OUT
OSC-IN
Figure 9-1. System Clock Generator
STOP mode
System clock
ø
PD6124A, 6600A
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