Infineon Cypress BCM4334, Руководство пользователя, Страница: 10 / 38

Measuring Current Consumption in Different Power Modes
www.cypress.com Document No. 002-14914 Rev. *C 9
■ Select the CTS flow control check box, and then click OK .
Reset the DUT
1. In HCI Control: com4@115200, press the 3 key on the keyboard to select the Host Controller & Baseband
commands.
2. In the list of Host Controller & Baseband commands, double-click Reset .
Set the Sleepmode parameters
1. In HCI Control: com4@115200, press the 0 key on the keyboard to select the to select the Vendor-specific
commands.
2. In the list of Vendor-specific commands, double-click Set_Sleepmode_Param .
3. In HCI Command: Set_Sleepmode_Param (com4@115200)
a. Make the following settings:
■ Sleep_Mode UART
■ Idle_Threshold_Host 0x0
■ Idle_Threshold_HC 0x0
■ BT_WAKE_Active_Mode Active High
■ Host_WAKE_Active_Mode Active High
b. Select the following check boxes, and then click OK :
■ Allow_Host_Sleep_During_SCO
■ Combine_Sleep_Mode_And LPM
■ Enable_Tristate_Control_Of_UART_Tx_Line
Set the Scan Type
1. In HCI Control: com4@115200, press the 3 key on the keyboard to select the Host Controller & Baseband
commands.
2. In the list of Host Controller & Baseband commands, double-click Write_Inquiry_Scan_Type .
3. In HCI Command: Write_Inquiry_Scan_Type (com4@115200), in the Scan_Type list, select Mandatory
Standard Scan , and then click OK .
Generate 2048 slots for 1.28s of activity
1. In the list of Host Controller & Baseband commands, double-click Write_Inquiry_Scan_Activity .
2. In HCI Command: Write_Inquiry_Scan_Activity (com4@115200):
a. For the Inquiry_Scan_Interval , type 2048 in the space provided.
b. For the Inquiry_Scan_Window , type 0x12 in the space provided.
c. Click OK .
Set the Current IAC Lower Address Portion (LAP) parameters
1. In the list of Host Controller & Baseband commands, double-click Write_Current_IAC_LAP .
2. In HCI Command: Write_Current_IAC_LAP (com4@115200):
a. For the Num_Current_IAC , type 1 in the space provided.
b. For the IAC_LAP , type 10390288 in the space provided.
c. Click OK .
Set the Write Scan Enable parameters
1. In the list of Host Controller & Baseband commands, double-click Write_Scan_Enable .
2. In HCI Command: Write_Scan_Enable (com4@115200), in the Scan_Enable list, select Inquiry Scan
enabled , and then click OK .
Measure the current consumption
Set the approximate range of the ammeter to 0.2 mA and measure the current being consumed by the DUT.