Fujitsu SK-8FX-TSC-32PMC Manuale d'uso - Pagina 18

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3.5 MCU-TSC interface (JP: 4, 5, 6, 7, 8)

Five jumpers can be used to connect or disconnect the TSC and MCU.

Jumper

Setting

JP4

(I2C SCL)

JP5

(I2C SDA)

JP6

(TSC Reset)

JP7

(TSC TINT)

JP8

(TSC GINT)

By default, the TSC is connected to the MCU by I2C and RESET lines, while the interrupt

lines are not connected.

3.6 TSC configuration (JP: 9, 10, 15, C14)

JP9

TSC I2C ID select (0x68 / 0x69)

JP10

Internal LDO

JP15

TCLK (external Clock) input

C14

TSC tuning capacitor (not mounted)

Jumper

JP9

(TSC ID)

JP10

(LDO)

JP15

(TCLK)

FMEMCU-UG-90003-10

SK-8FX-TSC-32PMC User Guide

Chapter 3 Jumpers and Switches

Description

Closed

TSC and Pullup connected to MCU SCL (Pin11)

Open

TSC and Pullup not connected to MCU SCL (Pin11)

Closed

TSC and Pullup connected to MCU SDA (Pin11)

Open

TSC and Pullup not connected to MCU SDA (Pin11)

Closed

TSC Reset input connected to MCU P05 (Pin18)

Open

TSC Reset input not connected to MCU P05 (Pin18)

Closed

TSC Touch Interrupt connected to MCU INT00 (Pin13)

Open

TSC Touch Interrupt not connected to MCU

Closed

TSC General Interrupt connected to MCU INT01 (Pin14)

Open

TSC General Interrupt not connected to MCU

Table 3-6: TSC-MCU interface

Setting

Description

1-2

TSC I2C ID set to 0x68

2-3

TSC I2C ID set to 0x69

Closed

TSC logic connected to internal LDO´(2.5V)

Open

TSC logic not connected to internal LDO

Closed

TCLK input connected to GND (internal clock used)

Open

TCLK can be used as external test clock input

Table 3-7: TSC configuration

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