5.4.2 Multi-slave Operation ............................................................................................................. 26
6 Power Control and Regulation ...................................................................................................................... 27
6.1 Switch-mode Regulator ....................................................................................................................... 27
6.2 Low-voltage VDD_DIG Linear Regulator ............................................................................................. 27
6.3 Reset ................................................................................................................................................... 27
6.3.1 Digital Pin States on Reset .................................................................................................... 28
6.3.2 Power-on Reset ..................................................................................................................... 28
7 Example Application Schematic ................................................................................................................... 29
8 Electrical Characteristics .............................................................................................................................. 30
8.1 Absolute Maximum Ratings ................................................................................................................. 30
8.2 Recommended Operating Conditions .................................................................................................. 30
8.3 Input/Output Terminal Characteristics ................................................................................................. 31
8.3.1 Switch-mode Regulator .......................................................................................................... 31
8.3.2 Low-voltage Linear Regulator ................................................................................................ 31
8.3.3 Digital Terminals .................................................................................................................... 31
8.3.4 AIO ......................................................................................................................................... 32
8.4 ESD Protection .................................................................................................................................... 34
9 Current Consumption .................................................................................................................................... 35
10 CSR Green Semiconductor Products and RoHS Compliance ..................................................................... 36
11 CSR1011 QFN Software Stack .................................................................................................................... 37
12 Tape and Reel Information ........................................................................................................................... 38
12.1 Tape Orientation .................................................................................................................................. 38
12.2 Tape Dimensions ................................................................................................................................. 39
12.3 Reel Information .................................................................................................................................. 40
12.4 Moisture Sensitivity Level .................................................................................................................... 40
13 Document References .................................................................................................................................. 41
Terms and Definitions ............................................................................................................................................ 42
List of Figures
Figure 1.1 Pinout Diagram ............................................................................................................................... 10
Figure 3.1 Clock Architecture ........................................................................................................................... 18
Figure 3.2 Crystal Driver Circuit ....................................................................................................................... 18
Figure 3.3 Sleep Clock Crystal Driver Circuit ................................................................................................... 20
Figure 4.1 Baseband Digits Block Diagram ...................................................................................................... 21
Figure 5.1 Example of an I²C Interface EEPROM Connection ......................................................................... 24
Figure 5.2 SPI Timing Diagram ........................................................................................................................ 25
Figure 5.3 Memory Boot-up Sequence ............................................................................................................ 25
Figure 6.1 Voltage Regulator Configuration ..................................................................................................... 27
Figure 11.1 Software Architecture ...................................................................................................................... 37
Figure 12.1 Tape Orientation ............................................................................................................................. 38
Figure 12.2 Tape Dimensions ............................................................................................................................ 39
Figure 12.3 Reel Dimensions ............................................................................................................................. 40
Production Information
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CSR1011 QFN Data Sheet