SK-96370-144PMC-GDC User Guide

Chapter 3 Jumpers and Switches

3.7User Buttons SW1, SW2, SW3, SW4, SW5, SW6 (JP: 3, 4, 5, 6, 7)

Five user push buttons (SW1-SW5) can be connected to the microcontroller. JP3, 4, 5, 6, 7 Each push button can be connected separately.

Jumper

 

Setting

 

Description

JP3

 

Closed

 

Pin 139 (INT0/NMI) of the MCU is connected to “SW1”

(SW1)

 

Open

 

No connection to the microcontroller

 

 

 

 

 

 

 

 

JP4

 

Closed

 

Pin 19 (FRCK0) of the MCU is connected to “SW2”

(SW2)

 

Open

 

No connection to the microcontroller

 

 

 

 

 

 

 

 

JP5

 

Closed

 

Pin 22 (TIN1) of the MCU is connected to “SW3”

(SW3)

 

Open

 

No connection to the microcontroller

 

 

 

 

 

 

 

 

JP6

 

Closed

 

Pin 20 (IN0/TTG4/0) of the MCU is connected to “SW4”

(SW4)

 

Open

 

No connection to the microcontroller

 

 

 

 

 

 

 

 

JP7

 

Closed

 

Pin 21 (IN1/TTG5/1) of the MCU is connected to “SW5”

(SW5)

 

Open

 

No connection to the microcontroller

 

 

 

 

 

 

 

 

Table 3-6: User Push Buttons

Default: JP3, 4, 5, 6, 7 closed

By default, all push-buttons are connected to the microcontroller.

3.8I2C pull-up resistor (JP: 9, 10)

Two 10k pull-up resistors can be connected to the I2C signal line.

JP9, 10 10k pull-up resistors can be connected to SDA0 and SCL0

Jumper

Setting

Description

JP9

Closed

A 10k pull-up resistor is connected to SDA0

(SDA0)

Open

No pull-up resistor is connected to SDA0

 

JP10

Closed

A 10k pull-up resistor is connected to SCL0

(SCL0)

Open

No pull-up resistor is connected to SCL0

 

 

 

 

© Fujitsu Microelectronics Europe GmbH

- 19 -

FMEMCU-UG-960014-10

Page 19
Image 19
Fujitsu MB96300 User Buttons SW1, SW2, SW3, SW4, SW5, SW6 JP 3, 4, 5, 6, I2C pull-up resistor JP 9, User Push Buttons