Pin No.
Name
Pin Function
Description
(37)
DECR
Power
Regulator supply decoupling
(38)
P0.31
Digital I/O
General-purpose I/O
(39)
GND
Power
Ground
3. Main Chip Solution
RF IC
Crystal Frequency
Nordic NRF5340
32MHZ / CL = 8pF / 20ppm
32MHz crystal is already inside the module. The module does NOT
include external capacitor of 32MHZ. Please follow below instruction
to enable FW setting of internal capacitor.
SDK Default setting: B =1, internal capacitor enable / A = 01100
Summary of Contents for MDBT53V
Page 7: ...MDBT53V P PCB Size in mm Min Norm MAX L 0 15 12 4 0 2 W 7 8 H 1 6...
Page 8: ...2 2 Recommended Layout of Solder Pad Graphs are all in Top View Unit in mm...
Page 9: ......
Page 10: ......
Page 11: ......
Page 13: ......
Page 14: ...Examples of NOT RECOMMENDED layout...
Page 22: ...4 3 6 Receiver Operation 4 4 Application CPU Performance...
Page 23: ...23 4 5 Network CPU Performance 4 6 Power Management 4 6 1 Sleep...
Page 24: ...24 4 6 2 Application CPU Running...
Page 25: ...25 4 6 3 Network CPU Running 4 6 4 I2S Active...
Page 26: ...26 4 6 5 NFCT Active 4 6 6 PDM Active...
Page 27: ...27 4 6 7 PWM Active 4 6 8 QDEC Active 4 6 9 QSPI Active...
Page 28: ...28 4 6 10 SAADC Active 4 6 11 Timer Running...
Page 29: ...29 4 6 12 SPIM Active 4 6 13 SPIS Active 4 6 14 TWIM Active...
