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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