Pin Definitions - Laird BT800 series Hardware Integration Manual

BT800 Hardware Integration Guide
Version 0.2
note
Implementation
6 P
IN DEFINITIONS
# Pin Name
1 SPI_PCM#_SEL
2 VDD_HOST
3 GND
4 USB+
5 USB-
6 GND
7 VREG_IN_USB
8 VREG_EN_RST#
9 VREG_IN_HV
10 VREG_OUT_HV
11 GND
12 GND
13 GND
14 GND
15 GND
16 GND
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I/O
Input with weak
internal pull-down
Power supply
GND
Bidirectional
Bidirectional
GND
Power supply
Input with strong
internal pull-down
Analogue regulator
input / output
Analogue regulator
input / output
GND
GND
GND
GND
GND
GND
Supply
Description
Domain
High switches SPI/PCM lines to SPI,
VDD_PADS
Low switches SPI/PCM lines to
PCM/PIO
(3.1V-3.6V) USB system positive supply
- Ground
USB data plus with selectable
VDD_HOST
internal 1.5kΩ pull-up resistor
VDD_HOST
- Ground
Input to USB regulator. Connect to
Analogue
external
regulator
input
USB bus supply, e.g. USB_VBUS
Take high to enable internal
regulators. Also acts as active low
reset. Maximum voltage is
VDD_PADS
VDD_PADS.
Note: USB regulator is always
enabled and not controlled by
this pin
Input to internal high-voltage
3.3V regulator to 1.8V regulator, 3.3V
output from USB regulator.
Output from internal high-voltage
1.8V to 1.8V regulator. Input to second
stage internal regulators.
- Ground
- Ground
- Ground
- Ground
- Ground
- Ground
9 CONN-GUIDE-BT800_v0_2