ST92F150-EVAL STMicroelectronics, ST92F150-EVAL Datasheet - Page 6

• Manufacturer Part Number: ST92F150-EVAL
• Description: BOARD EVALUATION FOR ST9 SERIES
• Manufacturer: STMicroelectronics

Specifications of ST92F150-EVAL

• Processor To Be Evaluated: ST90158 and ST92F1x Daughter Board
• Interface Type: I2C
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: 497-2905

EVALUATION BOARD GETTING STARTED
Figure 1. Power Supply Diagram
2.2.2 Reset Circuit
A reset circuit located on the motherboard (R1, D1 and C2) is used to guarantee that the reset
pin is pulled LOW until the voltage supply is stabilized at the correct level. A push-button
switch (SW2) is provided to manually reset the device (MCU or emulator) being evaluated.
Figure 2. Reset Diagram
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Vcc
Vcc
R6
3K
10K-RV
2
R8
2
R1
10K
D1
1N4148
U12
LM317T
O
ADJ
I
3
1
12V
C2
100NF
C12
100NF
D5
SCHOTTKY
SW2
SW-PUSHBUTTON
2
3
1
C13
10MF-CT-16V
Reset
GND POWER
2
3
1
J3
JACK