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TSC2004EVM 其他数据使用手册 - TI（德州仪器）
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TI（德州仪器）
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开发套件
描述:
TEXAS INSTRUMENTS TSC2004EVM 评估模块, TSC2004EVM
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TSC2004EVM数据手册
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5 EVM Operation
5.1 Analog Input
5.2 Digital Control
5.3 Default Jumper Locations
EVM Operation
Table 4. VREF Selection Options – JMP1
Shunt on Pins VREF Selection
1-2 External from J1.20
2-3 On the board from SNSVDD
Removed External from TP3
CAUTION
Verify that the external reference voltage is within the safe operating limits
shown on the TSC2005 data sheet before applying power to the EVM.
The following section provides information on the analog input, digital control, and general operating
conditions of the TSC2005EVM.
The analog input sources (touch screen and auxiliary input) can be applied directly to J1 (top or bottom
side) or through signal-conditioning modules available for the modular EVM system.
The digital control signals can be applied directly to J2 (top or bottom side). The modular TSC2005EVM
also can be connected directly to a DSP or microcontroller interface board, such as the HPA449, or to the
USB-MODEVM Interface Board if purchased as part of the TSC2005EVM-PDK. For a current list of
compatible interface and/or accessory boards for the EVM or the TSC2005, see the relevant product
folder on the TI Web site.
Table 5 provides a list of jumpers found on the EVM and their factory default conditions.
Table 5. List of Jumpers
Jumper Description Default Shunt Position
JMP1 Reference Voltage Selection – 2-3 (onboard or SNSVDD)
1-2: external VREF
2-3: on-board SNSVDD
JMP2 Analog Power or SNSVDD Select – 2-3 (+3.3VD)
1-2: +1.8VD
2-3: +3.3VD
JMP3 EEPROM Address Select – Installed (FW from EEPROM on
TSC2005EVM board)
Installed: firmware for the motherboard from the EEPROM onboard the
TSC2005EVM
Removed: firmware for the motherboard from the EEPROM on
motherboard
JMP4 IOVDD Power Select – 3-4 (= SNSVDD)
2-4: IOVDD from J3.7 (+1.8VD)
3-4: IOVDD from SNSVDD
4-6: IOVDD from J3.9 (+3.3VD)
SLAU191 – September 2006 TSC2005EVM and TSC2005EVM-PDK 5
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