NEC V850/SC1 User Manual

Page 21

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CHAPTER 2 NAMES AND FUNCTIONS OF COMPONENTS

User’s Manual U15776EJ1V0UM

21

(1) OSC1

OSC1 is a socket for the main clock crystal oscillator and for mounting capacitors. (For details, refer to 2.2.1

Main clock setting).

(2) JP5

JP5 is a jumper to switch the main clock supply source. (For details, refer to 2.2.1 Main clock setting.)

(3) OSC2

OSC2 is a socket for the main clock crystal oscillator and for mounting capacitors. (For details, refer to 2.2.2

Subclock setting.)

(4) JP6

JP6 is a jumper to switch the subclock supply source. (For details, refer to 2.2.2 Subclock setting.)

(5) JP1

Reserved. Use this jumper with the factory setting (2-3 shorted).

(6) SW1

Reserved. Use this switch with the factory setting (3-6 side).

(7) JP2

Reserved. Use this jumper with the factory setting (2-3 shorted).

(8) SW2

Reserved. Use this switch with the factory setting (3-6 side).

(9) JP3

Reserved. Use this jumper with the factory setting (2-3 shorted).

(10) SW3

Reserved. Use this switch with the factory setting (3-6 side).

(11) JP4

Reserved. Use this jumper with the factory setting (2-3 shorted).

(12) SW4

Reserved. Use this switch with the factory setting (3-6 side).

(13) SW5

SW5 is a switch to output the addresses (A1 to A15) of the separate bus. (For details, refer to 2.5 Address

Output Setting of Separate Bus.)

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