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DLPC2607ZVB Fiches technique(PDF) 5 Page - Texas Instruments |
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DLPC2607ZVB Fiches technique(HTML) 5 Page - Texas Instruments |
5 / 43 page DLPC2607 www.ti.com DLPS030C – DECEMBER 2013 – REVISED NOVEMBER 2015 Pin Functions (1) (continued) PIN I/O CLOCK DESCRIPTION SYSTEM NAME NO. POWER TYPE LED DRIVER INTERFACE General-purpose I/O 1 (output only). If the PAD1000 is not used, then this output must be used as the red LED PWM signal used to control the LED current.(8) If the GPIO1_RPWM N8 O14 Async PAD1000 is used, then this output can be used as a general purpose output controlled by the WPC processor. General-purpose I/O 2 (output only). If the PAD1000 is not used, then this output must be used as the green LED PWM signal used to control the LED current.(8) If GPIO2_GPWM P9 O14 Async the PAD1000 is used, then this output can be used as a general purpose output controlled by the WPC processor. General-purpose I/O 3 (output only). If the PAD1000 is not used, then this output must be used as the blue LED PWM signal used to control the LED current.(8) If GPIO3_BPWM R8 O14 Async the PAD1000 is used, then this output can be used as a general-purpose output controlled by the WPC processor. LED enable SELECT. Controlled by programmable DMD sequence timing LED_SEL_0 R6 O14 Async (hysteresis buffer). LED_SEL(1:0) Selected LED VCC18 00 None 01 Red LED_SEL_1 N6 O14 Async 10 Green 11 Blue These outputs should be input directly to the PAD1000 if used. If the PAD1000 is not used, then a decode circuit is required to decode the selected LED enable. LED driver enable. Active-high output control to external LED driver logic (master LEDDRV_ON P7 O14 Async enable). It is driven high 100 ms after LED_ENABLE is driven high and driven low immediately when either LED_ENABLE or PARK is driven low. DMD power regulator enable (active high). This is an active-high output that should be used to control DMD VOFFSET, VBIAS, and VRESET voltages. DMD_PWR_EN is driven high when the PARK input signal is set high. However, DMD_PWR_EN is DMD_PWR_EN K14 O14 Async held high for 500 µs after the PARK input signal is set low before it is driven low. TI recommends a weak external pulldown resistor to keep this signal at a known state during power-up reset. WHITE POINT CORRECTION LIGHT SENSOR I/F Successive approximation ADC comparator output (DLPC2607 input). Assumes a successive approximation ADC is implemented with either a light sensor or CMP_OUT A6 I1 Async thermocouple or both feeding one input of an external comparator and the other side of the comparator driven from the CMP_PWM pin of the ASIC. If this function is not used, pull it down to ground (hysteresis buffer). Successive approximation comparator pulse-width modulation input. Supplies a VCC_ 18 PWM signal to drive the successive approximation ADC Comparator used in light- CMP_PWM B7 O14 Async to-voltage light sensor applications. If this function is not used, leave it unconnected. Power control signal for the WPC light sensor and other analog support circuits using the DLPC2607 ADC. Alternately, it provides general purpose I/O to the WPC GPIO0_CMPPWR P5 B14 Async microprocessor internal to the DLPC2607 device. If not used, leave it unconnected (hysteresis buffer). Manufacturing test enable signal. It should be connected directly to ground on the HWTEST_EN A9 VCC _INTF I3 N/A PCB for typical operation. Includes weak internal pulldown. JTAG, serial data in. Includes weak internal pullup. (When JTAGRSTZ is held low, JTAGTDI P6 JTAGTCK this input can be used as ICP/ WPC debug port RXD.) I1 JTAGTCK N5 N/A JTAG, serial data clock. Includes weak internal pullup. JTAGTMS N7 VCC _18 JTAGTCK JTAG, test mode select. Includes weak internal pullup. JTAGTDO R7 O14 JTAGTCK JTAG, serial data out JTAG, RESET (active low). Includes weak internal pullup. This signal must be tied JTAGRSTZ P8 I1 ASYNC to ground, through an external ≤15-kΩ resistor, for typical operation. (8) The PAD1000 is not available for initial DLPC2607 design applications. When the PAD1000 is not used, all LED PWM signals are forced high when LEDDRV_ON = 0, software LED control is disabled, or the sequence stops. Copyright © 2013–2015, Texas Instruments Incorporated Submit Documentation Feedback 5 Product Folder Links: DLPC2607 |
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