LC6529F

LC6529L

Reset Level Options for Ports C and D

The following two options are available for controlling the output levels of ports C and D in groups of four bits each.

Comparator vs. Port E Configuration Option

The four pins PE0/CMP0 to PE3/CMP3 may be configured for comparator input or as port E.

No. 5117-7/39

LC6529N, LC6529F, LC6529L

Oscillator circuit

Frequency

Frequency divider options

Note

(cycle time)

Ceramic oscillator

4 MHz

1/1 (1 µs)

3 to 6 V

External clock based on RC

200 k to 4330 kHz

1/1 (20 to 0.92 µs)

3 to 6 V

oscillator circuit

External clock based on ceramic

This configuration not allowed. Use an external clock based on an RC oscillator circuit instead.

oscillator circuit

Oscillator circuit

Frequency

Frequency divider options

Note

(cycle time)

400 kHz

1/1 (10 µs)

2.2 to 6 V

1/3 and 1/4 frequency divider options

not available

1/1 (5 µs)

2.2 to 6 V

800 kHz

1/3 (15 µs)

2.2 to 6 V

Ceramic oscillator

1/4 (20 µs)

2.2 to 6 V

2 MHz

1/3 (6 µs)

2.2 to 6 V

1/1 frequency divider option not available

1/4 (8 µs)

2.2 to 6 V

4 MHz

1/4 (4 µs)

2.2 to 6 V

1/1 and 1/3 frequency divider options not

available

External clock based on RC

200 k to 1040 kHz

1/1 (20 to 3.84 µs)

2.2 to 6 V

oscillator circuit

600 k to 3120 kHz

1/3 (20 to 3.84 µs)

2.2 to 6 V

800 k to 4160 kHz

1/4 (20 to 3.84 µs)

2.2 to 6 V

Use 1/1 frequency divider and recommended

constants or, if this is not possible, one of the

RC oscillator circuit

2.2 to 6 V

combinations listed for external clocks based on

an RC oscillator circuit.

External clock based on ceramic

This configuration not allowed. Use an external clock based on an RC oscillator circuit instead.

oscillator circuit

Option

Conditions, etc.

High level output after reset

Selection affects all bits of port

Low level output after reset

Selection affects all bits of port

Option

Conditions, etc.

Comparator input

Selection affects all bits of port

Port E input

Selection affects all bits of port