UM1018 datasheet(19/42 Pages) STMICROELECTRONICS

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UM01018

Connectors

Doc ID 18141 Rev 2

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3.3

Power connector (CN12)

Your STM32L152-EVAL evaluation board can be powered from a DC 5 V power supply via

the external power supply jack (CN12) shown in Figure 7. The central pin of CN12 must be

positive.

Figure 7.

Power supply connector CN12 (viewed from front)

3.4

Daughterboard extension connectors (CN6 and CN7)

Two 50-pin male headers CN6 and CN7 can connect a daughterboard or standard wrapping

board to the STM32L152-EVAL evaluation board. All GPIOs are available on it. The space

between these two connectors and position of power, GND and RESET pins are defined as

a standard which allows common daughterboards to be developed for several evaluation

boards. The standard width between CN6 pin1 and CN7 pin1 is 2700 mils (68.58 mm). This

standard is implemented on the majority of evaluation boards.

Each pin on CN6 and CN7 can be used by a daughterboard after disconnecting it from the

corresponding function block on the STM32L152-EVAL evaluation board. Please refer to

Table 15 and Table 16 for details.

Table 15.

Daughterboard extension connector CN6

Pin Description

Alternative function

How to disconnect with function block on

STM32L152-EVAL board

1GND

PC7

TS_KEY2

Remove R13

PC9

TS_CT

Remove R29

PA9

COM1

Remove LCD glass U20

PA0

Tamper/Key

PC14

32K OSC

Remove R37

PA12

USB DP

Remove R25

PC15

32K OSC

Remove R38

PC10

LCD glass_SEG40 / USART3_TX JP7 open

GND

PC12

LCD glass_SEG42

Remove LCD glass U20

PD1

LED2

Remove R125

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