Texas Instruments TLV320AIC1110EVM-K Evaluation Module TLV320AIC1110EVM-K TLV320AIC1110EVM-K 데이터 시트
제품 코드
TLV320AIC1110EVM-K
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Kit Operation
Figure 9. File Menu
The Options menu provides two settings suitable for command line interface users and for
troubleshooting. These settings allows the user to evaluate the device in its most basic form.
troubleshooting. These settings allows the user to evaluate the device in its most basic form.
Under the Help menu is an About... menu item (
) which displays information about the
TLV320AIC11xxEVM software.
Figure 10. Help
The actual USB protocol used as well as instructions on writing scripts are detailed in the following
subsections. While it is not necessary to understand or use either the protocol or the scripts directly,
understanding them may be helpful to some users.
subsections. While it is not necessary to understand or use either the protocol or the scripts directly,
understanding them may be helpful to some users.
6.9.1
USB-MODEVM Protocol
The USB-MODEVM is defined to be a Vendor-Specific class, and is identified on the PC system as an
NI-VISA device. Because the TAS1020 has several routines in its ROM which are designed for use with
HID-class devices, HID-like structures are used, even though the USB-MODEVM is not an HID-class
device. Data passes from the PC to the TAS1020 using the control endpoint.
NI-VISA device. Because the TAS1020 has several routines in its ROM which are designed for use with
HID-class devices, HID-like structures are used, even though the USB-MODEVM is not an HID-class
device. Data passes from the PC to the TAS1020 using the control endpoint.
Data is sent in an HIDSETREPORT (see
Table 7. USB Control Endpoint HIDSETREPORT Request
PART
VALUE
DESCRIPTION
bmRequestType
0x21
00100001
bRequest
0x09
SET_REPORT
17
SLAU297A – November 2009 – Revised January 2011
TLV320AIC1103/1110EVM-K
© 2009–2011, Texas Instruments Incorporated