User's Manual
Table Of Contents
- 1 Overview and Key Features
- 2 Specification
- 2.1 Specification Summary
- 3 Hardware Specifications
- 3.3.4 OTA (Over-the-Air) smartBASIC Application Download
- 4 Power Consumption
- 5 Functional Description
- 5.1 Power Management (includes Brown-out and Power on Reset)
- 5.2 Clocks and Timers
- 5.3 Memory for smartBASIC Application Code
- 5.4 Radio Frequency (RF)
- 5.5 NFC
- 5.6 UART Interface
- 5.7 SPI Bus
- 5.8 I2C Interface
- 5.9 General Purpose I/O, ADC, PWM and FREQ
- 5.10 nRESET pin
- 5.11 nAutoRUN pin
- 5.12 vSP Command Mode
- 5.13 Two-wire Interface JTAG
- 5.14 BL652 Wakeup
- 5.15 Low Power Modes
- 5.16 Temperature Sensor
- 5.17 Random Number Generator
- 5.18 AES Encryption/Decryption
- 5.19 Optional External Serial (SPI) Flash
- 5.20 Optional External 32.768 kHz crystal
- 5.21 BL652-SA On-board Chip Antenna Characteristics
- 6 Hardware Integration Suggestions
- 7 Mechanical Details
- 8 Application Note for Surface Mount Modules
- 9 FCC and IC Regulatory Statements
- 10 Japan (MIC) Regulatory
- 11 CE Regulatory
- 12 EU Declarations of Conformity
- 13 Ordering Information
- 14 Bluetooth SIG Qualification
BL652
Datasheet
Embedded Wireless Solutions Support Center:
http://ews-support.lairdtech.com
www.lairdtech.com/bluetooth
29
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Table 14: Measured Total average current consumption profile (with DCDC ON) during connection in slave mode versus TX POWER for
minimum Connection interval of 4000mS. UART is OFF
TX
power
(dBm)
Average
Connection
(Burst)
Current (uA)
Average
Connection
(Burst)
Duration
(mS)
BLE
Connection
Charge
(uC)
BLE
Connection
Interval
(mS)
BLE
Connection
Average
(uA)
Max
Standby
Doze
Current
(uA)
BLE
Connection
Interval
7.5 ms
Total
Average
Current
(uA)
4
1670.956
2.3
3843.199
4000
0.961
2
4000
2.960
0
1560.069
2.3
3588.159
4000
0.897
2
4000
2.896
-4
1513.156
2.3
3480.259
4000
0.870
2
4000
2.869
-8
1492.133
2.3
3431.906
4000
0.858
2
4000
2.857
-12
1488.407
2.3
3423.336
4000
0.856
2
4000
2.855
-16
1469.042
2.3
3378.797
4000
0.845
2
4000
2.844
-20
1454.618
2.3
3345.621
4000
0.836
2
4000
2.835
-40
1428.215
2.3
3284.895
4000
0.821
2
4000
2.820
Table 15 displays the typical peak and "Average Connection (Burst) current" consumption profile (with DCDC on)
during a connection event in slave mode versus TX power. Between Marker 1 and 2 is the average BLE
connection current.
Table 15: Average connection current consumption profiles during a connection event in slave mode
TX power: 4 dBm
Connection
29 byte payload
7.5 ms interval
Average BLE connection burst current
(excluding connection Interval): 1.67 mA
Aside:
Peak RX current: 5.95mA
Peak TX current: 8.55mA