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MK01 Series BLE module features | ||||||||
Dimension | 10.0x10.0x2.0mm(with shield) | |||||||
Flash/RAM | 512KB/64KB | |||||||
Interface | UART/SPI/TWI/PDM/I2S/QDEC/PWM/ADC/NFC | |||||||
Power Supply | 1.7-3.6 V | |||||||
Operating temp | -40 to +85°C | |||||||
BLE5.0/5.1 Specification | 2 Mbps/CSA #2/Advertising Extensions | |||||||
Cover | Metal shielding with marking | |||||||
BLE Standard | BLE 4.2/5.0 | |||||||
GPIOs | 22 | |||||||
Antenna Type | Ceramic chip/u.FL Connector | |||||||
Pad package | Land Grid Array (LGA) | |||||||
Other Feature | Bluetooth mesh, ANT+, 2.4GHz | |||||||


Pin No. | Name | Type | Description | nRF52 port |
1 | P0.19 | Digital I/O | General purpose I/O | P0.19 |
2 | P0.20 | Digital I/O | General purpose I/O | P0.20 |
TRACECLK | Trace port clock output | |||
3 | P0.18 | Digital I/O | General purpose I/O | P0.18 |
4 | P0.10 | Digital I/O | General purpose I/O | P0.10 |
NFC2 | NFC input | NFC antenna connection | ||
5 | P0.09 | Digital I/O | General purpose I/O | P0.09 |
NFC1 | NFC input | NFC antenna connection | ||
6 | P0.08 | Digital I/O | General purpose I/O | P0.08 |
7 | P0.06 | Digital I/O | General purpose I/O | P0.06 |
8 | P0.05 | Digital I/O | General purpose I/O | P0.05 |
AIN3 | Analog input | SAADC/COMP/LPCOMP input | ||
9 | P0.00 | Digital I/O | General purpose I/O | P0.00 |
XL1 | Analog input | Connection for 32.768 kHz crystal (LFXO) | ||
10 | P0.01 | Digital I/O | General purpose I/O | P0.01 |
XL2 | Analog input | Connection for 32.768 kHz crystal (LFXO) | ||
11 | DEC4 | Power | 1.3 V regulator supply decoupling Input from DC/DC converter. Output from 1.3 V LDO | DEC4 |
12 | GND | Power | Electrical Ground | VSS |
13 | VCC | Power | Power supply. An internal 4.7 µF bulk capacitor is included on the module. However, it is good design practice to add additional bulk capacitance as required for your application, i.e. those with heavy GPIO usage and/or current draw. | VDD |
14 | DCC | Power | DC/DC converter output | DCC |
15 | P0.02 | Digital I/O | General purpose I/O | P0.02 |
AIN0 | Analog input | SAADC/COMP/LPCOMP input | ||
16 | P0.30 | Digital I/O | General purpose I/O 8 | P0.30 |
AIN6 | Analog input | SAADC/COMP/LPCOMP input | ||
17 | P0.03 | Digital I/O | General purpose I/O | P0.03 |
AIN1 | Analog input | SAADC/COMP/LPCOMP input | ||
18 | P0.04 | Digital I/O | General purpose I/O | P0.04 |
AIN2 | Analog input | SAADC/COMP/LPCOMP input | ||
19 | P0.25 | Digital I/O | General purpose I/O | P0.25 |
20 | GND | Power | Electrical Ground | VSS |
21 | GND | Power | Electrical Ground | VSS |
22 | P0.21 | Digital I/O | General purpose I/O | P0.21 |
RESET | Configurable as pin reset | |||
23 | P0.14 | Digital I/O | General purpose I/O | P0.14 |
TRACEDATA[3] | Trace port output | |||
24 | P0.15 | Digital I/O | General purpose I/O | P0.15 |
TRACEDATA[2] | Trace port output | |||
25 | P0.16 | Digital I/O | General purpose I/O | P0.16 |
TRACEDATA[1] | Trace port output | |||
26 | SWDCLK | Digital input | Serial wire debug clock input for debug and programming | SWDCLK |
27 | SWDIO | Digital I/O | Serial wire debug I/O for debug and programming | SWDIO |
28 | P0.28 | Digital I/O | General purpose I/O | P0.28 |
AIN4 | Analog input | SAADC/COMP/LPCOMP input | ||
29 | P0.29 | Digital I/O | General purpose I/O | P0.29 |
AIN5 | Analog input | SAADC/COMP/LPCOMP input | ||
30 | P0.26 | Digital I/O | General purpose I/O | P0.26 |
31-36 | GND | Power | Electrical Ground | VSS |









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