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ISL54100ACQZ Datasheet(PDF) 9 Page - Intersil Corporation |
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ISL54100ACQZ Datasheet(HTML) 9 Page - Intersil Corporation |
9 / 21 page 9 FN6725.0 June 17, 2008 Register Listing ADDRESS REGISTER (DEFAULT VALUE) BIT(S) FUNCTION NAME DESCRIPTION 0x00 Device ID (read only) 3:0 Device Revision 1 = initial silicon, 2 = second revision, etc. 7:4 Device ID 3 = ISL5410xA 0x01 Channel Activity Detect (read only) 0 Channel A Active 0: TMDS clock not present on Channel A 1: TMDS clock detected on Channel A 1 Channel B Active 0: TMDS clock not present on Channel B 1: TMDS clock detected on Channel B 2 Channel C Active 0: TMDS clock not present on Channel C 1: TMDS clock detected on Channel C 3 Channel D Active 0: TMDS clock not present on Channel D 1: TMDS clock detected on Channel D 0x02 Channel Selection (0x0C) 1:0 Channel Select Selects the input channel for the mux. These 2 bits are Read Only if Auto Channel Select is enabled. 0: Channel A selected 1: Channel B selected 2: Channel C selected 3: Channel D selected 2 Auto Channel Select 0: Manual Channel Select (using bits 0 and 1). 1: Auto Channel Select. Mux always selects the active channel with the highest priority. A = 1st (highest), B = 2nd, C = 3rd, D = 4th (lowest) priority. An active channel is a channel that has clock activity on its TMDS clock lines. If no channels are active, the A channel is selected. (default) 3 Hardware Channel Select 0: Software channel selection (using bits 0-2 of this register) 1: Hardware channel selection (using “Auto Channel Select” and “CH Sel 0/1” external pins) (default) 4 Reset Full chip reset. Write a 1 to reset. Will set itself to 0 when reset is complete. 5 Power-down 0: Normal Operation 1: Puts the chip in a minimal power consumption mode, turning off all TMDS outputs and open-circuiting all TMDS inputs. This bit is OR'ed with the Power-down input pin. If either is set, the chip will enter power-down. Serial I/O stays operational in PD mode. Note: When exiting Power-down, a termination resistor Recalibration cycle must be run to re-trim the termination resistors (see register 0x03[7]). ISL54100A, ISL54101A, ISL54102A |
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