Onkyo-TXNA906-avr-sm 电路图 维修手册.pdf

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1、TX-NR906/NA906 SERVICE MANUAL Ref. No. 4095 082008 AV RECEIVER MODEL TX-NR906 MODEL TX-NA906 TX-NR906 Black, Golden and Silver models 220-240V AC, 50Hz 220-240V AC, 50/60Hz B MMP, S MMP S MMT, G MMT TX-NA906 Black, Golden models 220-240V AC, 50/60HzB MMR, G MMR RC-687M SAFETY-RELATED COMPONENT WARNI

2、NG! COMPONENTS IDENTIFIED BY MARK ON THE SCHEMATIC DIAGRAM AND IN THE PARTS LIST ARE CRITICAL FOR RISK OF FIRE AND ELECTRIC SHOCK. REPLACE THESE COMPONENTS WITH ONKYO PARTS WHOSE PART NUMBERS APPEAR AS SHOWN IN THIS MANUAL. MAKE LEAKAGE-CURRENT OR RESISTANCE MEASUREMENTS TO DETERMINE THAT EXPOSED PA

3、RTS ARE ACCEPTABLY INSULATED FROM THE SUPPLY CIRCUIT BEFORE RETURNING THE APPLIANCE TO THE CUSTOMER. B MDC, S MDD, G MDT120V AC, 60Hz INPUT SELECTOR LISTENING MODE ONSTANDBY GNITUMYALPSID G U I D E E X I T PREV CH DIMMER SATTAPE/AMP SLEEP MACRO REMOTE MODE SUBTITLEAUDIOREPEATPLAY MODE -/-10 1112 VID

4、EO OFFOPEN/CLOSE TV TV CH TV VOL PLAYLISTRANDOM DVD AUX1AUX2GAME/TV CBL/SATVCR/DVR D. TUN CDTUNERTAPE PHONO VCRVCRDVDDVDHDDHDD REC ENTER TEST TONE AUDIO SEL CH SEL SURR DIRECTTHXPURE A STEREO LEVEL+LEVEL- L NIGHT ALL ST T O P M E N U M E N U VOL CH DISC ALBUM TV VCR CABLE DVD RECEIVER CD + - 123ZONE

5、3 ZONE2 INPUT + - +100CLEAR 123 456 789 S E T U P R E T U R N Re-EQ RC-687M CDR/MD/DOCK NET/USB NET/USB SP ASP B RadioFans.CN 收音机爱 好者资料库 Q8901: ADV7320 (Video Encoder with Six 12-bit DACs) IC BLOCK DIAGRAMS AND TERMINAL DESCRIPTIONS -48 TX-NR906/NA906 TERMINAL DESCRIPTION RadioFans.CN 收音机爱 好者资料库 EXP

6、LODED VIEWS-1 TX-NR906/NA906 TX-NR906/NA906 A070 x 4 pcs. P6800 x 18 pcs. P6800: A008 x 3 pcs. A008 x 3 pcs. A008 x 3 pcs. A032 x 2 pcs. A008 x 2 pcs. A008 x 15 pcs. A008 x 2 pcs. A008 x 2 pcs. A008 x 2 pcs. A008 x 2 pcs. A402 x 6 pcs. A406 x 3 pcs. A142 x 2 pcs. A008 x 5 pcs. A321 x 2 pcs. A257 x 2

7、 pcs. A069 x 4 pcs. A068 x 4 pcs. A075 x 3 pcs. A076 x 4 pcs. A112 x 55 pcs. A112 x 8 pcs. A112 x 2 pcs. A112 x 2 pcs. A112 x 7 pcs. A112 x 2 pcs. A112 x 4 pcs. A114 x 2 pcs. A113 x 3 pcs. A008 x 2 pcs. A094 x 2 pcs. A078 x 3 pcs. A066 A400 A022 A411 A410 A137 A137 A270 A086 A022 A205 A219A239 A223

8、A008 A008 A221 A209 A211 A213 A215 A259 A311 A313 A315 P9008 P204 A207 A217 A201 A261 A008 A253 A256 A251 A255 A301 A303 A281 A104 A100 U10 U15 A018 A110 A022 A022 A022 P2801 P7501 U33 U38 U41 U39 U34 U35 U36U40 A022 F2501 F2502 U14 U017 DT,MP,MT Type DT,MP,MT,NA906 Type DC,DD Type U06 U09 Q4907 Q49

9、08 U26 U30 U32 A120 U11 U13 U12 U42 U25 U28 U27 U07 U44 U08 U30 P102 P205 F9100 F9000 F9101 F9102 F9203 F9202 F9201 A116 A118 A024 A067 A106 A096 A092 A090 A098 A008 A105 A079 Refer to in EXPLODED VIEWS-2 P101 U43 A133A A008 A128 A124 A126 A420 A133 A132 A072 RadioFans.CN 收音机爱 好者资料库 EXPLODED VIEWS-2

10、 TX-NR906/NA906 TX-NR906/NA906 A031 x 2 pcs. A030 A001 U04 U05 A022 A021 A021 A055 A058 T902 T903 T904 A038 A062 A048 A022 Q6093 Q6083 Q6063 Q6053 Q6051 Q6081 Q6061 Q6091 Q6056 Q6066 Q6086 Q6096 Q6084 Q6094 Q6054 Q6064 Q6082 Q6092 Q6052 Q6062 Q6095 Q6085 Q6065 Q6055 Q6090 Q6080 Q6060 Q6050 A015 A001

11、 A022 A022 A022 A022 A022 A022 U37 A040 A049 F9301 P062 P061 A044 A014 A120 F6601 F6603 F6602 F6604 A005 x 4 pcs. A113 x 4 pcs. A011 x 2 pcs. A008 x 8 pcs. A008 x 3 pcs. A008 x 4 pcs. A008 x 3 pcs. A008 x 2 pcs. A025 A033 U03 U01 U18 U23 U21 U19 U20 U22 U24 U02 U16 U17 A008 x 7 pcs. A057 x 2 pcs. A0

12、42 x 4 pcs. A076 x 4 pcs. A004 A008 A046 x 4 pcs. A008 x 2 pcs. A008 x 2 pcs. A120 A134 A134 A120 A008 x 2 pcs. A008 x 2 pcs. A008 x 6 pcs. A039 x 2 pcs. A008 x 2 pcs. Q6080A x 2 pcs. Q6050A x 2 pcs. A008 x 2 pcs. A008 x 2 pcs. A056 x 8 pcs. A056 x 4 pcs. A056 x 4 pcs. A056 x 2 pcs. A060 x 2 pcs. A0

13、56 x 2 pcs. A005 x 4 pcs. A113 x 4 pcs. A009 x 12 pcs. A009 x 16 pcs. A064 BLOCK DIAGRAMS-1 AUDIO SECTION TX-NR906/NA906 A 1 2 3 4 5 BCDEFGH SPDIF RX0 RX5 MCH SR RX6 RX7 DAC_FL DAC_SL DAC_SR DAC_SBR DAC_SBL V_OUT_L V_OUT_R DAC_FR DAC FL MIX L MIX R DAC FR DAC_CT DAC_SW MCH C DAC C MCH SW DAC SW MCH

14、SL MAIN L MAIN R DAC SL DAC CT2 DAC SW2 MCH_SBR MCH_SBL MCH_SR MCH_SL MCH_SW MCH_CT CENTER SURROUND LEFT SURROUND RIGHT ZONE2 RIGHT VCR/DVR OUT TAPE OUT SURROUND BACK FRONT RIGHT FRONT LEFT - FRONT RIGHT(BTL) + - FRONT LEFT(BTL) + TAPE VCR/DVR IN CBL/SAT GAME/TV DVD OUT MAIN,SUB IN 1-4 ch3 ch4 ch14

15、SURROUND BACK or Bi-AMP LEFT or Bi-AMP RIGHT RS-232 TRANCEIVER RS-232 Q3031 ICL3221E RI RI Q7001 M3087BFLBGP MAIN MICROPROCESSOR INTERFACE IR OUT IR IR IN NAVD-9052 SD-6 NADG-9074 SD-9 12V TRIGGER OUT ZONE 2 12V TRIGGER CONTROL OPTICAL IN 1 DIGITAL IN (FRONT) COAX IN 2 COAX IN 1 HDMI ETHERNET REMOTE

16、 SENSOR SPEAKER TERMINALS 7 CH POWER AMPLIFIERS C SBL HDMI I/F NET BOARD NALAN-9121 SD-20 to 27 HDMI BOARD NAHDM-9114 SD-15 to 19 Flash memory (FLASH ROM) SD RAM I2S DSD FL FR SL SR +20dB SW2 I2S I2S DSD PHONO OPTICAL IN 2 +29dB +29dB +29dB +29dB +29dB +29dB +29dB ZONE2 LEFT SBR L FRONT SURROUND SUR

17、ROUND BACK R SUBWOOFER CENTER L R L R PRE OUT Audio Muting CD DC,DD Type Only TUNER UNIT HD RADIO: DC,DD Type only AM LOOP ANTENNA FM ANTENNA SW R L R L ZONE2 PREOUT/LINEOUT TONE Q4204 R2S15211FP Audio Selector, Volume, Tone 0dB FIX ZONE3 PREOUT/LINEOUT ADC -6dB -6dB Q3041 CS42516 MAIN B ZONE2 ZONE3

18、 C2 RL FL FR C SW SL SR SBL SBR Q4305 NJU7313A HEADPHONES (DVD audio,etc) Q4306 NJU7311A 0dB Video REC 0dB-6dB -6dB Q4405 CS3318 VIDEO IN AUX 2 AUX 1 Q4029 TC94A46CFG Analog Switch Array Analog Switch Analog Switch Analog Switch Volume ch13 ch12 ch11 ch10 ch9 ch8 ch2 RIAA XM Sirrus MAIN A DIR TONE 0

19、dB FIX NJU7313A ch7 ch6 ch5 Q4304 NJU7312A NJU7312A 0dB FIX 0dB FIX 1 2 3 SETUP MIC 3 2 1 OPTICAL OUT COAX IN 3 MULTI CHANNEL INPUT FL FR C SW SL SR SBL SBR LR L R L R L R L R L R L R L R L R L R L R PCM1796 2ch DAC PCM1796 2ch DAC Q3701Q3721Q3741Q3761Q3781 PCM1796 2ch DAC PCM1796 2ch DAC PCM1796 2c

20、h DAC TC74VHC157FTMultiplexer . . . . DSP BLOCK SD-10, 11 I2S/DSD TC74VHC157FT Q3001 TC74VHC157FT Refer to SCHEMATIC DIAGRAM-9 and -29 (SD-9 and SD-29) for digital audio signal flow wave forms. +6dB VLSC +6dB VLSC +6dB VLSC +6dB VLSC +6dB VLSC +6dB VLSC +6dB VLSC +6dB VLSC +6dB VLSC +6dB VLSC 2nd DS

21、P Q3501 TMS320D788E001BRFP266 (SD-11) 1st DSP Q3401 TMS320D790E001BZDH300 (SD-10) 3rd DSP Q3601 TMS320D707E001BRFP250 (SD-11) (TX-NA906 Only) TUNER L R Multiplexer BLOCK DIAGRAMS-2 VIDEO SECTION TX-NR906/NA906 A 1 2 3 4 5 BCDEFGH Video Signal Flow Analog Analog (Through Mode) HDMI HDMI (Through Mode

22、) HDMI HDMI Analog HDMI 1 4 3 2 Analog example is Component Video except OSD HDMI Analog Analog (Up-conversion) OSD Analog 5 Composite Composite 6 8 8 7 CBL/SAT VCR/DVR AUX 1 DVD GAME/TV MONITOR OUT VCR/DVR OUT MONITOR OUT VCR/DVR OUT ZONE2 OUT AUX 2 (FRONT) CBL/SAT VCR/DVR AUX 1 DVD GAME/TV AUX 2 (

23、FRONT) C YC YC YC YC YC Y CB1 CR1 Y2 CB2 CR2 CR3 Y3 CB3 Y1 IN 1 IN 2 IN 3 Y CB CR C CB CR Y Y CB CR CVBS Y C HDBSC Y CVBS HDBPY HDBPB HDBPB 24MHz MAX HDMI BOARD (NAHDM-9114, SD-15 to 19) VIDEO BOARD (NAVD-9052, SD-6) CY CY HDBCV 12MHz MAX HDBSY MONITOR OUT C-DET MAIN MAIN Z2 Z2 NOTE MMP is short for

24、 MAIN MICROPROCESSOR. S-DET Z2 S-DET LPF(12MHz) LPF(12MHz) LPF(12MHz) LPF(6MHz) Y CB CR MAIN Z2 Q2201 NJW1321FP1 TC74HC4051AF VMUT Q2012,Q2013 NJM2587V Q2012,Q2013 NJM2587V Q2014 MM1512 BPF(140K-6MHz) LPF(6MHz) HDAPY HDAPB HDAPR HDACV HDASC HDASY Q2206 NJM2586AM 100MHz -3dB LPF(12MHz) LPF(12MHz) LPF

25、(6MHz) LPF(6MHz) LPF(12MHz) BPF(140K-6MHz) 6dBDRV DRV MMP 6dBDRV 6dBDRV 6dBDRV DRV6dB 6dBDRV . 6dB . 6dB . . 6dB 6dB 6dB . . 6dB 6dB 6dB 6dB 6dBDRV 6dBDRV 75 75 75 75 75 75 6dBDRV 6dBDRV 6dBDRV 6dBDRV 6dB MMP MMP MMP S VIDEO INPUT COMPOSITE VIDEO COMPONENT VIDEO Refer to SCHEMATIC DIAGRAM-6, -17, -1

26、8 and -29 (SD-6, SD-17, SD-18 and SD-29) for video and HDMI signal waveforms. Video Switch Video Amp Y/C Mix Video Amp Video Amp Q2027 NJU7312AM VCL VDATA VSTB Analog switch MMP S VIDEO OUTPUT COMPOSITE VIDEO COMPOSITE VIDEO COMPONENT VIDEO BLOCK DIAGRAMS-3 HDMI SECTION TX-NR906/NA906 A 1 2 3 4 5 BC

27、DEFGH Video Signal Flow Analog Analog (Through Mode) HDMI HDMI (Through Mode) HDMI HDMI Analog HDMI 1 4 3 3 2 2 Analog example is Component Video except OSD HDMI Analog Analog (Up-conversion) OSD Analog 5 Composite Composite 6 8 8 8 7 OSD 32 HDASY HDAPR HDAPB HDAPY HDACV HDASC SDA_VDVE SCL_VDVE INT_

28、VD VD_RST OERX VDOFF HDBSY HDBCV HDBSC HDBPR HDBPB HDBPY SCL_VDVE RST_VE SDA_VDVE OEDECTH VSYNC HSYNC FIELD/DE Y(P10-19)ITU656 Up-covert route from S-Video otherwise, this pin is a CMOS output. IC BLOCK DIAGRAMS AND TERMINAL DESCRIPTIONS -15 Q3401, Q3501: D790E001BZDH300 (Audio DSP) BLOCK DIAGRAM TX

29、-NR906/NA906 System Diagram Device Block Diagram Program/Data RAM 256K Bytes 256 256 Program/Data ROM Page1 256K Bytes 256 256 256K Bytes ROM Page3 Program/Data Program/Data ROM Page2 256K Bytes 3232 DMPPMP CSP32 256 Program Cache 32K Bytes 64 D1 Data R/W R/W Data D2 64 256 Program FetchINTI/O C67x+

30、 CPU Memory Controller 32 High-Performance Crossbar Switch 32 McASP DMA Bus JTAG EMU 32 32 32 32 32 32 32 32 Peripheral Configuration Bus EMIF 32 Events In 32 MAX1MAX0 32 CONTROL 32 Interrupts Out I/O dMAX McASP0 16 Serializers McASP1 6 Serializers McASP2 2 Serializers + DIT SPI1 SPI0 I2C1 I2C0 RTI3

31、2 UHPI PLL Peripheral Interrupt and DMA Events 32 32 32 32 32 256K Bytes RAM Bytes ROM 768K Memory Controller C67x+ DSP Core Program Cache Crossbar Switch EMIFUHPIdMAX McASP0 SPI1 McASP1 I2C0 I2C1 RTI SPIO McASP2 PLLOSC ASYNC FLASH 100-MHz/ 133-MHz SDRAM DSP Host Microprocessor Audio Zone 1 SPI or I

32、2C Control (optional) Audio Zone 2 Audio Zone 3 CODEC, DIR, ADC, DAC, DSD, Network Network ADC, DAC, DSD, CODEC, DIR, TDM Port Digital Out, High Speed Parallel Data DSP Control SPI or I2C 6 Independent Audio Zones (3 TX + 3 RX) 16 Serial Data Pins PIN CONFIGURATION(1/2) IC BLOCK DIAGRAMS AND TERMINA

33、L DESCRIPTIONS -16 Q3401, Q3501: D790E001BZDH300 (Audio DSP) TX-NR906/NA906 PIN MAP PIN CONFIGURATION(2/2) IC BLOCK DIAGRAMS AND TERMINAL DESCRIPTIONS -17 Q3401, Q3501: D790E001BZDH300 (Audio DSP) TX-NR906/NA906 Bottom View 13 24 5 68 79 10 11 14 15 12 13 16 N A C B D F E L G H J K M P T R TERMINAL

34、DESCRIPTION(1/5) BALL SIGNAL NAMETYPE(1)PULL(2)GPIO(3)DESCRIPTION NO. Clocks OSCINJ2I-N1.2-V Oscillator Input OSCOUTJ3O-N1.2-V Oscillator Output OSCVDDJ4PWR-NOscillator 1.2-V VDDtap point (for filter only) OSCVSSJ1PWR-NOscillator VSStap point (for filter only) CLKINH2I-NAlternate clock input (3.3-V

35、LVCMOS Input) PLLHVK2PWR-NPLL 3.3-V Supply Input (requires external filter) Device Reset RESETG2I-NDevice reset pin Emulation/JTAG Port TCKP1IIPUNTest Clock TMSK3IIPUNTest Mode Select TDIL1IIPUNTest Data In TDOM2OZIPUNTest Data Out TRSTK4IIPDNTest Reset EMU0M1IOIPUNEmulation Pin 0 EMU1N1IOIPUNEmulat

36、ion Pin 1 Power Pins Core Supply (CVDD)E6, E7, E8, E9, E10, E11, G5, G12, H5, H12, J5, J12, K5, K12, M6, M7, M8, M9, M10, M11 IO Supply (DVDD)A2, A15, B1, B16, D4, D5, D12, D13, E4, E13, J14, M4, M13, N5, N12, P8, R1, R16, T2, T15 A1, A7, A10, A16, E5, E12, F5, F6, F7, F8, F9, F10, F11, F12, G1, G6,

37、 G7, G8, G9, G10, G11, G16, H3, Ground (VSS)H6, H7, H8, H9, H10, H11, J6, J7, J8, J9, J10, J11, K1, K6, K7, K8, K9, K10, K11, K16, L5, L6, L7, L8, L9, L10, L11, L12, M5, M12, T1, T7, T10, T16 A TERMINAL DESCRIPTION(2/5) IC BLOCK DIAGRAMS AND TERMINAL DESCRIPTIONS -18 Q3401, Q3501: D790E001BZDH300 (A

38、udio DSP) TX-NR906/NA906 BALL SIGNAL NAMETYPE(1)PULL(2)GPIO(3)DESCRIPTION NO. External Memory Interface (EMIF) Address and Control EM_A0J16O-N EM_A1J15O-N EM_A2K15O-N EM_A3L16O-N EM_A4L15O-N EM_A5M16O-N EM_A6M15O-NEMIF Address Bus EM_A7N16O-N EM_A8N15O-N EM_A9P16O-N EM_A10H15O-N EM_A11P15O-N EM_A12P

39、12OIPDN EM_BA0G15O-N SDRAM Bank Address and Asynchronous Memory Low-Order Address EM_BA1H16O-N EM_CS0F15O-NSDRAM Chip Select EM_CS2E15O-NAsynchronous Memory Chip Select EM_CASR3O-NSDRAM Column Address Strobe EM_RASF16O-NSDRAM Row Address Strobe EM_WET3O-NSDRAM Write Enable EM_CKET14O-NSDRAM Clock En

40、able EM_CLKR14O-NSDRAM Clock EM_WE_DQM0R4O-NWrite Enable or Byte Enable for EM_D7:0 EM_WE_DQM1T13O-NWrite Enable or Byte Enable for EM_D15:8 EM_WE_DQM2P13OIPUNWrite Enable or Byte Enable for EM_D23:16 EM_WE_DQM3R15OIPUNWrite Enable or Byte Enable for EM_D31:24 EM_OED15O-NSDRAM Output Enable EM_RWE16

41、O-NAsynchronous Memory Read/not Write Asynchronous Wait Input (Programmable Polarity) or EM_WAITD14IIPUN Interrupt (NAND) (1)TYPE column refers to pin direction in functional mode. If a pin has more than one function with different directions, the functions are separated with a slash (/). (2)PULL co

42、lumn: IPD = Internal Pulldown resistor IPU = Internal Pullup resistor (3)If the GPIO column is Y, then in GPIO mode, the pin is configurable as an IO unless otherwise marked. A TERMINAL DESCRIPTION(3/5) IC BLOCK DIAGRAMS AND TERMINAL DESCRIPTIONS -19 Q3401, Q3501: D790E001BZDH300 (Audio DSP) TX-NR90

43、6/NA906 BALL SIGNAL NAMETYPE(1)PULL(2)GPIO(3)DESCRIPTION NO. External Memory Interface (EMIF) Data Bus / Universal Host-Port Interface (UHPI) Address Bus Option EM_D0T8IO-N EM_D1R8IO-N EM_D2R7IO-N EM_D3T6IO-N EM_D4R6IO-N EM_D5T5IO-N EM_D6R5IO-N EM_D7T4IO-N EMIF Data Bus Lower 16 Bits EM_D8R13IO-N EM

44、_D9T12IO-N EM_D10R12IO-N EM_D11T11IO-N EM_D12R11IO-N EM_D13R10IO-N EM_D14T9IO-N EM_D15R9IO-N EM_D16/UHPI_HA0N7IO/IIPDN EM_D17/UHPI_HA1P6IO/IIPDN EM_D18/UHPI_HA2N6IO/IIPDN EM_D19/UHPI_HA3P5IO/IIPDN EM_D20/UHPI_HA4P4IO/IIPDN EM_D21/UHPI_HA5P3IO/IIPDN EM_D22/UHPI_HA6N4IO/IIPDN EM_D23/UHPI_HA7R2IO/IIPDN

45、 EMIF Data Bus Upper 16 Bits (IO) or UHPI Address Input (I) EM_D24/UHPI_HA8P11IO/IIPDN EM_D25/UHPI_HA9N11IO/IIPDN EM_D26/UHPI_HA10P10IO/IIPDN EM_D27/UHPI_HA11N10IO/IIPDN EM_D28/UHPI_HA12P9IO/IIPDN EM_D29/UHPI_HA13N9IO/IIPDN EM_D30/UHPI_HA14N8IO/IIPDN EM_D31/UHPI_HA15P7IO/IIPDN A TERMINAL DESCRIPTION

46、(4/5) IC BLOCK DIAGRAMS AND TERMINAL DESCRIPTIONS -20 Q3401, Q3501: D790E001BZDH300 (Audio DSP) TX-NR906/NA906 BALL SIGNAL NAMETYPE(1)PULL(2)GPIO(3)DESCRIPTION NO. Universal Host-Port Interface (UHPI) Data and Control UHPI_HD0K13IOIPDY UHPI_HD1K14IOIPDY UHPI_HD2M14IOIPDY UHPI_HD3L13IOIPDY UHPI_HD4L1

47、4IOIPDY UHPI_HD5N13IOIPDY UHPI_HD6N14IOIPDY UHPI_HD7P14IOIPDY UHPI Data Bus Lower 16 Bits UHPI_HD8E14IOIPDY UHPI_HD9F14IOIPDY UHPI_HD10F13IOIPDY UHPI_HD11G14IOIPDY UHPI_HD12G13IOIPDY UHPI_HD13H14IOIPDY UHPI_HD14H13IOIPDY UHPI_HD15J13IOIPDY UHPI_HD16/HHWILH1IO/IIPDY UHPI_HD17G3IOIPDY UHPI_HD18G4IOIPD

48、Y UHPI_HD19F3IOIPDY UHPI_HD20F4IOIPDY UHPI Data Bus Upper 16 Bits (IO) in the following modes: UHPI_HD21E3IOIPDY Fullword Multiplexed Address and Data UHPI_HD22D3IOIPDY Fullword Non-Multiplexed UHPI_HD23C3IOIPDY UHPI_HHWIL (I) on pin UHPI_HD16/HHWIL and GPIO on UHPI_HD24P2IOIPDY other pins in the fo

49、llowing mode: UHPI_HD25N2IOIPDY Half-word Multiplexed Address and Data In this mode, UHPI_HHWIL indicates whether the high or UHPI_HD26N3IOIPDY low half-word is being addressed. UHPI_HD27M3IOIPDY UHPI_HD28L3IOIPDY UHPI_HD29L4IOIPDY UHPI_HD30L2IOIPDY UHPI_HD31H4IOIPDY Universal Host-Port Interface (UHPI) Control UHPI_HBE0C6IIPDYUHPI Byte Enable for UHPI_HD7:0 UHPI_HBE1C5IIPDYUHPI Byte Enable for UHPI_HD15:8 UHPI_HBE2C4IIPDYUHPI Byte Enable for UHPI_HD23:16 UHPI_HBE3B2IIPDYUHPI Byte Enable for UHPI_HD31:24 UHPI_HCNT