User Guide
36 of 56
002-32436 Rev. *B
<2021-06>
CY8CKIT-041S-
MAX PSoC™ 4100S Max pioneer kit guide
Hardware
3.2.7
Push buttons
The board has a reset button, one user-controllable button, and a KitProg3 mode selection button. The reset
button (SW1) is connected to the XRES pin of the PSoC
™
4100S Max MCU and is used to reset the device. A user
button (SW2) is connected to pin P11[5] of the PSoC
™
4100S Max MCU. The Mode selection button (SW3) is
connected to the PSoC
™
5LP device for programming mode selection (see the
All buttons are active LOW and short to GND when pressed.
Figure 26
Schematics of push buttons
3.2.8
Crystal oscillators
A 24-MHz crystal oscillator footprint is provided onboard and connected to P0[6] and P0[7] of the PSoC
™
4100S
Max MCU. These pins are, by default, connected to UART RTS and CTS. Remove these connections before using
crystal oscillator.
Figure 27
Schematics of crystal oscillators
Reset Button
C63
0.1uF
DNI
16V
XRES_L
R118
4.7K
DNI
SW1
EVQ-PE105K
VDDD
R117
10K
R119
10K
DNI
VDDD
VTARG
P11_5
SW2
EVQ-PNF04M
User Button
SW3
EVQ-PNF04M
Mode Switch
P5LP1_2
R10
0 OHM
P0_6
R9
0 OHM
P0_7
IO_P0_6
R62
0 OHM
DNI
IO_P0_7
UART_RTS
R58
0 OHM
DNI
UART_CTS