ST STM320518-EVAL, User Manual

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UM1537 Hardware layout and configuration
Doc ID 023059 Rev 1 17/52
Figure 4. STM320518-EVAL evaluation board
It is possible to compare the LDR output with 1/4 band gap, 1/2 band gap, 3/4 band gap,
band gap and DAC1 OUT, and to connect the LDR output to ADC IN1 for AD conversion.
2.12 Temperature sensor
A temperature sensor STLM75M2E is connected to the I2C1 bus of the STM32F051R8T6. It
shares the same I2C1 bus as the RF E2PROM and DDC on the HDMI_Source connector
CN4.
2.13 Display and input devices
The 2.4 inch color TFT LCD connected to the SPI1 port of the STM32F051R8T6 and four
general-purpose color LEDs (LD 1, 2, 3 and 4) are available as display devices. The
4-direction joystick (U21) with selection key connected to PA0 and support wakeup feature
and tamper button (B2) are available as input devices.
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Table 12. LCD modules
2.4-inch TFT LCD connector CN16
Pin Description Pin connection Pin Description Pin connection
1 CS PF4 9 VDD 3.3 V
2 SCL PA5 10 VCI 3.3 V
3 SDI PA7 11 GND GND
4 RS - 12 GND GND
5 WR - 13 BL_VDD 5 V