UPD780949 datasheet(21/69 Pages) RENESAS

부품명	UPD780949

상세설명	MOS INTEGRATED CIRCUIT

PDF	69 Pages

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제조업체	RENESAS [Renesas Technology Corp]

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µPD780949(A)

5.4 Subsystem Clock Oscillator

Subsystem clock oscillator is for RC oscillation with very low frequency.

5.5 Timer/Event Counter

There are the following six timer/event counter channels:

• 16-bit timer/event counter

: 2 channels

• 8-bit timer/event counter

: 2 channels

• Watch timer

: 1 channel

• Watchdog timer

: 1 channel

16-bit Timer/Event 8-bit Timer/Event

Watch

Watchdog

16-bit

Counter

Timer

Type

Interval timer

2 channels

1 channel

1 channel 1 channel

External event counter

1 channel

2 channels

Timer output

1 output

2 outputs

PWM output

1 output

2 outputs

Pulse with measurement

2 inputs

3 inputs

Function Square wave output

1 output

2 outputs

One-shot pulse output

1 output

Interrupt request

Test input

Figure 5-3: Oscillator Circuit

Table 5-2: T ypes and Functions of Timer/Event Counters

CL1

CL2

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