NEC V850/SC3 ユーザーズマニュアル

User’s Manual  U15776EJ1V0UM

Item

Description

Remark

OSC1

GND

1 M

Ω

GND

V850/SCx

I/O chip

X1

X2

1

10 pF

20 MHz

7

10 pF

Pins 1 and 2:  For mounting capacitor (10 pF)

Pins 6 and 7:  For mounting capacitor (10 pF)

Pins 3 to 5:  Crystal oscillator (20 MHz)

Pin 4:  Open

20 MHz clock supplied for main clock

OSC2

GND

GND

V850/SCx

I/O chip

XT2

XT1

1

27 pF

32.768 kHz

7

27 pF

Pins 1 and 2:  For mounting capacitor (27 pF)

Pins 6 and 7:  For mounting capacitor (27 pF)

Pins 3 to 5:  Crystal oscillator (32.768 MHz)

Pin 4:  Open

32.768 MHz clock supplied for subclock

JP1 to JP4

1

2

3

    (2-3 shorted)

Pins 2 and 3:  Short

Pin 1:  Open

Use these jumpers with the factory settings.

JP5, JP6

1

2

7

8

    (3-4 shorted)

Pins 1 and 2:  Open

Pins 3 and 4:  Shorted

Pins 5 and 6:  Open

Pins 7 and 8:  Open

Use these jumpers with the factory settings.

SW1 to SW4

1

6

3

4

    (3-6 side)

3-6 side

Use these switches with the factory settings.

SW5

1

6

3

4

2

5

ON

OFF

All bits ON (port mode)