https://devzone.nordicsemi.com/f/nordic—g—a C1. /31758/dec5—decoupling—capacitor—value 47uF
=> C12 can be 1nF
AEL
Antenna Flat ut | ant 8 3.9nH in | -Lc22 16s co _L TT t-5pF 7 tpF 0 Apr 7” Vv Vv GND GND < Ea y ra EY
@ ole
UL nRF52840
Vv
GND
Ly <VS5_PA] -—__<V55_PA] NTa <VSS_PA
Net—Tie_2
GND
C14 47uF HIS vy C15 GND 4uF a =a | gL w >= ala cron C16 GND S\e| | ATnF te 10uH E) C17 10uH 150F — II + 2 Ci = 12.5pF,
T132.768 kHz
P0.09 P0.40 —P0.44
< PPH_VCC_CTRL
RESET. BLUE_LED. RESET. —P0.17,
<P1.13
—CCHARGE_CTRL_2
<USB_D- —USB_D+
mikoto revision 5.17
Decoupling Capacitors
2 — 2 ¢—_|| <wonH c25
a 4.7uF a¢—"
—_ ce
LL c4
- 100nF
7 1uF - #—VDD_NRI
-
cs tc. Ici
400nF- 400nF—— 4.7uF poe se
+
Status LED
DL RS BLUE 1.5k
BLUE_LED >—kt+—_ Ve < 3.0V tt
t < BAT_VOLT
R4 _| C19 10M 10nF j
Battery Charger
D5 PMEG4OLOCEJ —i—- <EXT_5V
4.7uF ——— —-— VDDH pt Ly [- eno
5 C24 af VBAT 10k —L C26 —L OT 4.7uF re LI
Z 9
7 e ¢ Yio, U
. Z: OmA (off) 100mA 250mA 350mA
Power
U3 XC6220B331MR
VDDH)—+ —¢-<PPH_VEC cai —L c20 7 10uF 7 4.7uF Vv GND | GND PPH_VCC_CIRL>—4 Vv | GND R2 2M | Vv GND
USB Connector + TVS
Ja USB_C_Receptacle_USB2.0
PWR_FLAG vBUS >—
Pinout
U4 mikoto—pins
_—— Bar eo _—— | —Pa.13] oo
TP7 vDDH>——O a PAD
Aa
TP3 ie tpi L cup | TP4 PAI PAI PAI PAI
VDD_NRF
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