Fujitsu MB91460 SERIES Memulai - Halaman 18

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5.1.4 Clock Control

The source of the main and the sub clock is selectable between the adapter board and the

evaluation board. MCLKI and MCLKO of the external bus interface can be connected to the

evaluation board or can be shorten on the adapter board.

Jumper

S22

X0 - USER

S23

X1 - USER

EML – X0A

S24

X0A - USER

EML – X1A

S25

X1A - USER

EVA – MCLKI

EVA – MCLKO

S30 / S31

MCLKI / MCLKO

MCLKI – USER

MCLKO – USER

Default:

S22 = EML-X0

S25 = EML-X1A

S30 = MCLKI-USER S31 = MCLKO-USER

By default the clocks are provided from the adapter board.

By default MCLKI and MCLKO are connected to the evaluation board.

MCU-AN-391005-E-V17

Getting Started

Chapter 5 Jumpers and Switches

Setting

Description

EML – X0

Main clock provided from adapter board

Main clock provided from evaluation board

EML – X1

Main clock provided from adapter board

Main clock provided from evaluation board

Sub clock provided from adapter board

Sub clock provided from evaluation board

Sub clock provided from adapter board

Sub clock provided from evaluation board

MCLKI

evaluation board. MCLKI and MCLKO are shorten

MCLKI and MCLKO are connected to evaluation

board. MCLKI and MCLKO are not shorten

S23 = EML-X1

- 18 -

and

MCLKO

are

not

S24 = EML-X0A

connected to