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UM1018 Datasheet(PDF) 14 Page - STMicroelectronics

Part # UM1018
Description  STM32L152-EVAL evaluation board
PDF  42 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

UM1018 Datasheet(HTML) 14 Page - STMicroelectronics

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Hardware and layout
UM01018
14/42
Doc ID 18141 Rev 2
2.14
Temperature sensor
A temperature sensor STLM75M2E is connected to the I2C bus of the STM32L152VBT6
through two transistors to support a wide voltage range, from 1.65 V to 3.6 V.
2.15
Display and input devices
The display devices are:
●
2.4" color TFT LCD, connected to the SPI1 port of the STM32L152VBT6.
●
4 general purpose color LED's (LD 1,2,3,4).
LD3 and LD4 are disabled by default; JP18 and JP19 must be closed to enable these
two LEDs.
The input devices are:
●
4-direction joystick (U30) with selection key
●
Wakeup button (B2)
JP11
PB5 is connected to I2C_SMB, the interrupt output of temperature sensor U18 when JP11 is closed
(default setting).
PB5 is disconnected from I2C_SMB but remains connected to COM_IN+ when JP11 is open for
comparator application.
Table 10.
Comparator and potentiometer related jumpers (continued)
Jumper
Description
Setting
Table 11.
2.4" TFT LCD module CN14
Pin on CN3
Description
Pin connection
1CS
PH2
2SCL
PE13
3SDI
PE15
4RS
-
5WR
-
6RD
-
7SDO
PE14
8
RESET
RESET#
9VDD
3.3V
10
VCI
3.3V
11
GND
GND
12
GND
GND
13
BL_VDD
5V
14
BL_Control
5V
15
BL_GND
GND
16
BL_GND
GND



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