User's Manual
Table Of Contents
- 1 Introduction
- 2 Block Diagram
- 3 Application Interface
- 3.1 Power Supply
- 3.2 Power-up / -down Slew-Rate
- 3.3 Reset
- 3.4 Supply Voltage Monitor
- 3.5 Serial Interface
- 3.6 GPIO Interface
- 3.7 I2C Interface0F
- 3.8 SPI Serial Peripheral Interface1F
- 1.1
- 3.9 Bluetooth Radio Interface
- 3.10 WLAN Coexistence Interface2F
- 3.11 Slow Clock Interface
- 3.12 Test Mode Enable
- 3.13 Pin Strapped System Memory Boot Mode Invocation
- 3.14 Operating in a Power-Switched Environment
- 3.15 Serial Wire Interface
- 4 Module Pins
- 5 Electrical Characteristics
- 6 Mechanical Characteristics
- 1
- 7 Application Diagram
- 8 Approvals/Certifications
- 9 Related Documents
- 10 Packing
- 11 Ordering Information
BlueMod+SR/AI
BlueMod+SR/AP
Hardware Reference
Release r04d01 www.stollmann.de Page 11 of 65
2 Block Diagram
STM32F103
CSR8811
VSUP
BlueMod+SR
BP
Filter
RESET
I2C
UART
GPIO
SPI
WLAN-COEX
1
2
7
3
4
GND
3.3V
26MHz
14,7456MHz
opt. 32kHz
9
EEPROM
DEBUG
onboard
antenna
EXT-ANT
1)
2)
1)
BlueMod+SR/AI only
2)
BlueMod+SR/AP only
Figure 1: BlueMod+SR Block Diagram
Note:
BlueMod+SR/AI has an internal ceramic antenna whereas BlueMod+SR/AP provides for an 50Ω
RF interface