SK-96380-120PMC User Guide
Chapter 3 Jumpers and Switches
© Fujitsu Microelectronics Europe GmbH
- 19 -
UG-960019-11
3.7 User 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
Closed
Pin 119 (INT0/NMI) of the MCU is connected to “SW1”
JP3
(SW1)
Open
No connection to the microcontroller
Closed
Pin 16 (INT5) of the MCU is connected to “SW2”
JP4
(SW2)
Open
No connection to the microcontroller
Closed
Pin 20 (TIN1) of the MCU is connected to “SW3”
JP5
(SW3)
Open
No connection to the microcontroller
Closed
Pin 18 (IN0/TTG4/0) of the MCU is connected to “SW4”
JP6
(SW4)
Open
No connection to the microcontroller
Closed
Pin 19 (IN1/TTG5/1) of the MCU is connected to “SW5”
JP7
(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.
3.8 I
2
C pull-up resistor
(JP: 9, 10)
Two 10k pull-up resistors can be connected to the I
2
C signal line.
JP9, 10
10k pull-up resistors can be connected to SDA0 and SCL0
Jumper
Setting
Description
Closed
A 10k pull-up resistor is connected to SDA0
JP9
(SDA0)
Open
No pull-up resistor is connected to SDA0
Closed
A 10k pull-up resistor is connected to SCL0
JP10
(SCL0)
Open
No pull-up resistor is connected to SCL0
