Realtek RTL8762C Manuel utilisateur
RealtekConfidential
RTL8762C Evaluation Board User Manual
V1.0
2018/09/17
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RTL8762C Evaluation Board User Manual
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Copyright 2018 Realtek Semiconductor Corporation.
All Rights Reserved.
Revision History
Date
Version
Amendment
Author
2018/07/07
V1.0
First Draft
Jason_Xue
2018/09/19
V2.0
Second Draft
Jason_Xue
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Contents
Revision History................................................................................................................................................ 2
Contents of Tables............................................................................................................................................. 4
Contents of Figures............................................................................................................................................ 5
1.RTL8762C Evaluation Board Introduction.................................................................................................... 6
1.1 RTL8762C EVB introduction ................................................................................................................. 6
1.2 Evaluation Board Interface...................................................................................................................... 6
1.2.1 Interface Description ........................................................................................................................ 6
1.2.2 Main Chip (Module)......................................................................................................................... 7
1.2.3 Power supply.................................................................................................................................... 8
1.2.4 IO Port .............................................................................................................................................. 9
1.2.5 Interface............................................................................................................................................ 9
1.2.6 Others ............................................................................................................................................. 10
1.2.7 Pin Allocation on Motherboard of Evaluation Board..................................................................... 11
2.Development Board Operation Instructions................................................................................................. 13
2.1 Acquiring Log with Onboard USB to UART Converter....................................................................... 13
2.2 Current test ............................................................................................................................................ 13
2.3 6-axis Motion Sensor............................................................................................................................. 14
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Contents of Tables
Table 1.1 IO Pin Allocation on Motherboard...........................................................................................................11
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Contents of Figures
Figure 1-1 EVB Interface Block Diagram.............................................................................................................. 6
Figure 1-2 EVB Interface Distribution................................................................................................................... 7
Figure 1-3 Daughter Board..................................................................................................................................... 7
Figure 1-4 Power jumper........................................................................................................................................ 8
Figure 1-5 Connection of HCI UART Jumper........................................................................................................ 9
Figure 1-6 Connection of LOG............................................................................................................................... 9
Figure 1-7 G-sensor I2C connection..................................................................................................................... 10
Figure 1-8 Schematic of LED circuit.................................................................................................................... 10
Figure 1-9 Schematic of Keys ...............................................................................................................................11
Figure 2-1 LOG out connection............................................................................................................................ 13
Figure 2-2 Schematic of Power jumpers on EVB................................................................................................. 13
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1.RTL8762C Evaluation Board Introduction
1.1 RTL8762C EVB introduction
This document introduces usage of 8762C Bluetooth® Evaluation Board (EVB) Hardware. 8762C EVB provides
hardware environment for customer to develop their own application, which includes:
1. Voltage converter.
2. 6-axis motion sensor.
3. 4 LEDs and 6 keys.
4. Button battery and Li-ion battery holder.
5. USB to UART converter (FT232RL).
1.2 Evaluation Board Interface
1.2.1 Interface Description
Distribution of EVB block and interface is shown in Figure 1-1 and Figure 1-2.
Figure 1-1 EVB Interface Block Diagram
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916.3408
P0_2
GND
M4_1
P3_3
P3_5
P0_0
P0_4
P0_6
P4_0
P4_3
M5_4
RST
M4_2
M4_0
M0_6
M1_2
M5_2
M5_0
M1_4
M0_3
P4_3M0_1
P0_4
VDDIO
GND
M1_0
VDDIO
GND
32KXI_GPIO
MICBIAS
M2_6
M2_4
M2_2
M2_0
M3_0
M3_2
M3_4
M3_6
32KXO_GPIO
M5_7
M2_7
M2_5
M2_3
M2_1
M3_1
M3_3
M3_5
M3_7
M1_5
1V2
M0_3
M1_2
M1_6
M5_6
RST
VBAT
GNDGND
SWD
Interface
VCC
CLK
IO
GND
RST
SWO
MICBIAS
GND
MIC_P
MIC_N
LOG
UART
Interface
FT232_RX
FT232_TX
TX
RX
GND
VCC
GND
GND
GND
KEY1(M4_1)
KEY0(M4_0)
RST
KEY4(M2_5)
KEY3(2_3)
KEY2(2_4)
LED3(M1_4)
LED2(M1_3)
LED1(M0_2)
LED0(M0_1)
LED3_JP
LED2_JP
LED1_JP
LED0_JP
VDEV_JP PowTest_JP
LDO_3V3 P4_5VDD_OUT P4_5
LDO_2V5
P4_5VCR2302
UART
Interface
LED1_JP
LED0_JP
Power
LED/Key
IO
Interface
Figure 1-2 EVB Interface Distribution
1.2.2 Main Chip (Module)
Mark 5: Connection socket used to connect daughter board with mother board. Make sure that the orientation of
PCB antenna on daughter board is the same as the silkscreen mark of antenna on mother board. Daughter board is
shown in Figure 1-3.
Figure 1-3 Daughter Board
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1.2.3 Power supply
1) Mark 10: Power supply selection module of motherboard, shown in Figure 1-4.
Figure 1-4 Power jumper
a) 3V3：Powered by USB power source on evaluation board, IC voltage 3.3V.
b) VCR2302: Powered by a CR2302 battery (on the rear)
c) 2V5：Powered by USB on evaluation board, IC voltage is 2.5V, generally used while burning eFUSE.
2) Mark 21: CR2032 battery holder (at the bottom side of PCB)
3) Mark 15: Li-ion battery holder: evaluation board can be powered by Lithium-ion battery.
Note: If EVB is powered by Li-ion battery, jumper cannot be put on mark 10.
4) Mark 13/14: AMS1117 3.3V output and AMS1117 2.5V output LDP chip that provide 5V to 3.3V and 5V to
2.5V voltage conversion circuit when EVB is powered by Li-ion battery.
5) Mark 9: Power G-sensor and SWD VCC. This jumper must be connected during normal operation.
6) Mark 8: Jumper for RTL8762C overall power consumption test. Remove J23 and cascade with an ammeter
when performing overall power consumption test.
Note:
a) J23 must be shorted during normal operation.
b) When performing current measurement, LOG printed must be disabled. UART should be left not
connected and disconnect SWD with debugger to avoid affecting measurement.
c) Under some special circumstance that current measurement at 3V needs to be performed, replace
onboard power supply with external 3V DC power supply.
7) Mark 12: Micro USB 5V power supply. It can be connected to either external 5V power supply or USB port
of PC.
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8) Mark 4: GND jumper.
1.2.4 IO Port
1) Mark 1: 2 × 15 IO Jumper
2) Mark 19: 2 × 14 IO Jumper
1.2.5 Interface
1) Mark 2: MIC Test Jumper for external MIC
2) Mark 3: UART /LOG Test Jumper.
a) Connection of Jumper for HCI UART Test is shown in figure 1-5:
Figure 1-5 Connection of HCI UART Jumper
b) Connection of Jumper for Log Test:
Figure 1-6 Connection of LOG
3) Mark 6: G-sensor, which is a 6-axis motion sensor, is powered by VDD_DEV. Thus, J6 need be connected
when G-sensor is required.
4) Mark 7: I2C interface of 6-axis motion sensor. Connection of Jumper J18, J19 and J20 is shown in figure
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1-7.
If I2C interface is applied, J18 and J19 should be shorted with jumper. That is to say, connect I2C signal line
to M3_2 and M3-3. INT single line can be connected to M2_2 via J20, and can be left not connected if INT
function is not configured.
If SPI interface is applied, R1 need be removed. Connect test point AD0 and nCS to specified IO port with
SDO and nCS jump wire respectively, and then short J18 and J19 with jumper.
Figure 1-7 G-sensor I2C connection
5) Mark 12: Micro USB interface. It can be used as UART communication port when connected to PC.
6) Mark 20: SWD interface used for SWD debug.
1.2.6 Others
1) Mark 16: 4 independent LED used for development of customized application. Confirm that corresponding
jumpers (J24 to J27) are connected properly before develop. Schematic is shown in figure 1-8.
Figure 1-8 Schematic of LED circuit
2) Mark 17: 4 LED jumpers. When testing power consumption, LED may be lighted up and affect result of test.
Under such circumstance, LED Jumpers should be removed. Default LED configuration is provided in table
1-1. If customers would like to use IOs that not listed in table 1-1 to control LEDs, LEDs can be connected to
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