NXP Semiconductors MC56F80000-EVKUM, Руководство пользователя, Страница: 13 / 26

NXP Semiconductors
MC56F80000-EVKUM
MC56F80000-EVK Board User Manual
Part
identifier
Device Power supply
voltage
Description
U2 LD1117 VDD (3.3 V) • Source of VDD_MCU and VDDA
• Power supply for voltage level translators, NTSX2102GU8H (U5),
74LVC1T45GW (U7, U8, U9, U10), and NTSX2102GU8H (U12)
• Power supply for FXLS8974CF accelerometer
•
Power supply for MX25L512E SPI Flash
• Power supply for buttons and user-defined and PWM LEDs
• Power supply for pins 6 and 10 of Arduino power header (J3) and
pull-up resistors on pins 20 and 18 of Arduino header (J2)
J5 2-pin header VDD_MCU • Power supply for digital circuits of MC56F80748
L1 Magnetic bead VDDA • Source of VDDA_MCU
• Power supply for Resistor Divider circuit
J6 2-pin header VDDA_MCU • Power supply for analog circuits of MC56F80748
• Power supply for AREF (reference voltage for Arduino header J2)
U4 MK26FN2M0VMI18 P3V3_VREG_
OUT
• Regulator output voltage of MK26FN2M0VMI18
• Power supply for OpenSDA circuit
• Power supply for OpenSDA JTAG/SWD connector (J14)
• Power supply for voltage level translators, NTSX2102GU8H (U5),
74LVC1T45GW (U7, U8, U9, U10), NTSX2102GU8H (U12)
Table 10. 3.3 V power nodes on MC56F80000-EVK
The following figure shows the VDD circuit diagram.
VDD
VDD_MCU VDDA VDDA_MCU
C16
0.1 µF
L1 600 OHM
1 2
C17
10 µF
TP 2
J 5
HDR 1X2
J UMP ER DEFAULT = 1-2
1 2
TP 4
J 6
HDR 1X2
J UMP ER DEFAULT = 1-2
1 2
C18
0.1 µF
R16 0
Figure 7. VDD circuit diagram
2.2 Clocking
The table below provides details of different clocks of the MC56F80000-EVK board.
Clock generator Clock specifications Destination
Crystal oscillator, Y1 Frequency: 8 MHz MC56F80748 MCU:
• EXTAL on MC56F80748 pin 3 (GPIOC0/EXTAL/CLKIN0)
• XTAL on MC56F80748 pin 4 (GPIOC1/XTAL)
Crystal oscillator, Y2 Frequency: 16 MHz OpenSDA MCU MK26FN2M0VMI18:
• EXTAL0 on MK26FN2M0VMI18 pin N13 (PTA18/EXTAL0/FT
M0_FLT2/FTM_CLKIN0/TPM_CLKIN0)
• XTAL0 on MK26FN2M0VMI18 pin M13 (PTA19/XTAL0/FTM1_
FLT0/FTM_CLKIN1/LPTMR0_ALT1/TPM_CLKIN1)
Table 11. MC56F80000-EVK clocks
MC56F80000-EVKUM All information provided in this document is subject to legal disclaimers. © 2022 NXP B.V. All rights reserved.
User manual Rev. 1 — 14 December 2022
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