User's Manual
Table Of Contents
- 1 Product overview
- 2 Software specifications
- 3 Electrical specifications
- 3.1 Hardware architecture
- 3.2 Pin-out
- 3.3 Absolute Maximum ratings
- 3.4 Power consumption (T =25 C, 1V8 provided by LDO MPS2002)
- 3.5 Electrical characteristics
- 3.6 Reset and supply sequence diagram
- 3.7 Flash update sequence diagram
- 3.8 Power Off Sequence diagram
- 4 Mechanical specifications
- 5 Available tools
- 6 Approval / Certifications
- 7 Use Cases
- A. Bluetooth HFP & A2DP/AVRCP use cases overview:
- a. Head Unit paired with Mobile phone
- b. Head Unit connected to Mobile phone and headset device
- c. Head Unit paired with two Mobile phones
- d. Audio Streaming and Handsfree working together
- e. Head Unit paired with Mobile phone and Music Player with BT integrated or Bluetooth dongle:
- f. Head Unit paired with a stereo Headphone
- g. Head Unit paired with Mobile phone: Data transfer
- B. Head unit BT/UART software update
- A. Bluetooth HFP & A2DP/AVRCP use cases overview:
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3.7 Flash update sequence diagram
Conditions unless noted, otherwise : Tamb.=25°C; Vcc=3V3
Parameter
Conditions
Min.
Typ.
Max.
Unit
tBS
30
-
-
µs
tBH
30
-
-
µs
3.8 Power Off Sequence diagram
Conditions unless noted, otherwise : Tamb.=25°C; Vcc=3V3
Parameter
Conditions
Min.
Typ.
Max.
Unit
tCut
0
10
-
µs
RESET_EXT_N
tCUT
UART_AT_RX
AT*POFF
*POFF:END
UART_AT_TX
3V3
RESET_EXT_N pin
must be driven low
before next start-up
3V3
RESET_EXT_N
BOOTS
Flash Update
Complete
tBS
tBH
tRA