Sharp HT-CN300BK Service Manual - Page 41

IC710 RH-iX0489AWZZ: System Microcomputer IX0489AW 1/2

Get Sharp HT-CN300BK PDF manuals and user guides View all Sharp HT-CN300BK manuals
Add to My Manuals
Save this manual to your list of manuals

Page 41 highlights

HT-CN300 IC710 RH-iX0489AWZZ: System Microcomputer (IX0489AW) (1/2) Pin No. Port Name Terminal Name Input/Output Function 1 P96/ANEX1/SOUT4 FLD_SDAT Output Display data output to M66005FP-FL driver. 2 P95/ANEX0/CLK4 FLD_SCK Output Serial clock output to M66005FP-FL driver. 3 P94/DA1/TB4IN FLD_CS Output CS control output to M66005FP-FL driver. 4 P93/DA0/TB3IN FLD_RESET 5* P92/TB2IN/SOUT3 DVD_KDATA Output Output Reset output to M66005FP-FL driver. Control data output to the DVD unit. 6 P91/TB1IN/SIN3 DVD_DATA 7* P90/TB0IN/CLK DVD_CLK Input Output DVD/CD/VCD data input from the DVD unit. Serial clock output to the DVD unit. 8 BYTE BYTE Input Connected to VSS due to unused external bus. 9 CNVSS FLASH_VCC Input Used in the single chip mode. Connected to VSS via pull-down resistance. 10 P87/XCIN DVD_STB Input Strobe input from the DVD unit. 11* P86/XCOUT DVD_ERITE Output "L" - DVD microcomputer ROM write mode. 12 RESET 13 XOUT RESET X_OUT Input Output Microcomputer reset input. Active "L". Microcomputer reference oscillation output. 14 VSS 15 XIN GND X_IN - Input Connected to GND (VSS). Microcomputer reference oscillation input 16 VCC VCC Input Microcomputer power supply (3.3 V) 17 P85/MNI FLASH_"H" Input Connected to VCC via pull-up resistance. 18 P84/INT2 SYS_STOP Input Power failure detection input. Microcomputer enters the backup mode. 19 P83/INT1 GND - Port processing. "L" fixed. 20 P82/INT0 21* P81/TA4IN/U RX_IN TIMER_LED Input Output Sharp method, remote control input.. Timer stand-by LED control. 22 P80/TA40UT/U 23 P77/AT3IN DD_LED STD_LED Output Output Dolby digital IND. Surround mode stanrd IND. 24 P76/TA3OUT DTS_LED Output DTS IND. 25 P75/TA2IN/W VIR_LED 26 P74/TA2OUT/W AAC_LED Output Output Surround mode virtual IND. AAC IND. 27 P73/CTS2/RT2S/TA1IN/V DPL_LED Output Dolby pro logic IND. 28 P72/CLK2/TA1OUT/V F-CONT2 Input Switches power supply frequency and changes oscillation frequency. 29 P71/RXD2/SCL/TA0IN/TB5IN SCL Output AK4586/CXA2125Q. 12C BUS clock output. 30 P70/TXD2/SDA/TA0OUT SDA Input/Output AK4586/CXA2125Q. 12C BUS data input/output. 31 P67/TXD1 32 P66/RXD1 FLASH_TXD FLASH_RXD Output Output Functionally not used. Normally, output "L" fixed. Functionally not used. Normally, output "L" fixed. 33 P65/CLK1 FLASH_SLOCK Output Functionally not used. Normally, output "L" fixed. 34 P64/CTS1/RTS1/CTS0/CLKS1 FLASH_BUSY Output Functionally not used. Normally, output "L" fixed. 35 P63/TXD0 DSP_SCDIN Output DSP IC serial data output. 36 P62/RXD0 DSP_SCDOUT Input DSP IC serial data output. 37 P61/CLK0 DSP_SCCLK Output Sends DSP IC serial send/receive sync clock. 38 P60/CTS0/RTS0 DSP_CS Input Sends DSP IC serial send/receive strobe. 39 P57/RDY/CLKOUT DSP_RESET 40* P56/ALE L-MUTE Output Output DSP IC RESET output. VCR OUT audio mute output. 41 P55/HOLD 42 P54/HLDA FLASH_EPM AUDITION Input Input Connected to VSS via pull-down resistance. Audition model select input. 43* P53/BCLK F_CONT Output Switches power supply frequency and changes oscillation frequency. 44* P52/RD FM_STB Output When function is set to "FM Stereo" or "FM MONO": "L". Otherwise: "H". 45 P51/WRH/BHE DSP_UC15 Output External ROM for DSP download program. 46 P50/WRL/WR FLASH_CE Input Connected to VCC via pull-up resistance. 47 P47/CS3 48 P46/CS2 DSP_UC16 DSP_UC17 Output Output External ROM for DSP download program. External ROM for DSP download program. 49 P45/CS1 50 P44/CS0 ASPECT V-MODE Input Input DVD unit aspect ratio data input. Video mode select SW input terminal. 51* P43/A19 V_SEL1 Output Connected to video output selector, SW1. In this unit, the terminal with asterisk mark (*) is (open) terminal which is not connected to the outside. - 41 -

  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10
  • 11
  • 12
  • 13
  • 14
  • 15
  • 16
  • 17
  • 18
  • 19
  • 20
  • 21
  • 22
  • 23
  • 24
  • 25
  • 26
  • 27
  • 28
  • 29
  • 30
  • 31
  • 32
  • 33
  • 34
  • 35
  • 36
  • 37
  • 38
  • 39
  • 40
  • 41
  • 42
  • 43
  • 44
  • 45
  • 46
  • 47
  • 48
  • 49
  • 50
  • 51
  • 52
  • 53
  • 54
  • 55
  • 56
– 41 –
HT-CN300
IC710 RH-iX0489AWZZ: System Microcomputer (IX0489AW) (1/2)
1
P96/ANEX1/SOUT4
FLD_SDAT
Output
Display data output to M66005FP-FL driver.
2
P95/ANEX0/CLK4
FLD_SCK
Output
Serial clock output to M66005FP-FL driver.
3
P94/DA1/TB4IN
FLD_CS
Output
CS control output to M66005FP-FL driver.
4
P93/DA0/TB3IN
FLD_RESET
Output
Reset output to M66005FP-FL driver.
5*
P92/TB2IN/SOUT3
DVD_KDATA
Output
Control data output to the DVD unit.
6
P91/TB1IN/SIN3
DVD_DATA
Input
DVD/CD/VCD data input from the DVD unit.
7*
P90/TB0IN/CLK
DVD_CLK
Output
Serial clock output to the DVD unit.
8
BYTE
BYTE
Input
Connected to VSS due to unused external bus.
9
CNVSS
FLASH_VCC
Input
Used in the single chip mode. Connected to VSS via pull-down resistance.
10
P87/XCIN
DVD_STB
Input
Strobe input from the DVD unit.
11*
P86/XCOUT
DVD_ERITE
Output
“L” - DVD microcomputer ROM write mode.
12
RESET
RESET
Input
Microcomputer reset input. Active “L”.
13
XOUT
X_OUT
Output
Microcomputer reference oscillation output.
14
VSS
GND
—
Connected to GND (VSS).
15
XIN
X_IN
Input
Microcomputer reference oscillation input
16
VCC
VCC
Input
Microcomputer power supply (3.3 V)
17
P85/MNI
FLASH_"H"
Input
Connected to VCC via pull-up resistance.
18
P84/INT2
SYS_STOP
Input
Power failure detection input. Microcomputer enters the backup mode.
19
P83/INT1
GND
—
Port processing. “L” fixed.
20
P82/INT0
RX_IN
Input
Sharp method, remote control input..
21*
P81/TA4IN/U
TIMER_LED
Output
Timer stand-by LED control.
22
P80/TA40UT/U
DD_LED
Output
Dolby digital IND.
23
P77/AT3IN
STD_LED
Output
Surround mode stanrd IND.
24
P76/TA3OUT
DTS_LED
Output
DTS IND.
25
P75/TA2IN/W
VIR_LED
Output
Surround mode virtual IND.
26
P74/TA2OUT/W
AAC_LED
Output
AAC IND.
27
P73/CTS2/RT2S/TA1IN/V
DPL_LED
Output
Dolby pro logic IND.
28
P72/CLK2/TA1OUT/V
F-CONT2
Input
Switches power supply frequency and changes oscillation frequency.
29
P71/RXD2/SCL/TA0IN/TB5IN
SCL
Output
AK4586/CXA2125Q. 12C BUS clock output.
30
P70/TXD2/SDA/TA0OUT
SDA
Input/Output
AK4586/CXA2125Q. 12C BUS data input/output.
31
P67/TXD1
FLASH_TXD
Output
Functionally not used. Normally, output “L” fixed.
32
P66/RXD1
FLASH_RXD
Output
Functionally not used. Normally, output “L” fixed.
33
P65/CLK1
FLASH_SLOCK
Output
Functionally not used. Normally, output “L” fixed.
34
P64/CTS1/RTS1/CTS0/CLKS1
FLASH_BUSY
Output
Functionally not used. Normally, output “L” fixed.
35
P63/TXD0
DSP_SCDIN
Output
DSP IC serial data output.
36
P62/RXD0
DSP_SCDOUT
Input
DSP IC serial data output.
37
P61/CLK0
DSP_SCCLK
Output
Sends DSP IC serial send/receive sync clock.
38
P60/CTS0/RTS0
DSP_CS
Input
Sends DSP IC serial send/receive strobe.
39
P57/RDY/CLKOUT
DSP_RESET
Output
DSP IC RESET output.
40*
P56/ALE
L-MUTE
Output
VCR OUT audio mute output.
41
P55/HOLD
FLASH_EPM
Input
Connected to VSS via pull-down resistance.
42
P54/HLDA
AUDITION
Input
Audition model select input.
43*
P53/BCLK
F_CONT
Output
Switches power supply frequency and changes oscillation frequency.
44*
P52/RD
FM_STB
Output
When function is set to “FM Stereo” or “FM MONO”: “L”. Otherwise: “H”.
45
P51/WRH/BHE
DSP_UC15
Output
External ROM for DSP download program.
46
P50/WRL/WR
FLASH_CE
Input
Connected to VCC via pull-up resistance.
47
P47/CS3
DSP_UC16
Output
External ROM for DSP download program.
48
P46/CS2
DSP_UC17
Output
External ROM for DSP download program.
49
P45/CS1
ASPECT
Input
DVD unit aspect ratio data input.
50
P44/CS0
V-MODE
Input
Video mode select SW input terminal.
51*
P43/A19
V_SEL1
Output
Connected to video output selector, SW1.
Port Name
Terminal Name
Pin No.
Input/Output
Function
In this unit, the terminal with asterisk mark (*) is (open) terminal which is not connected to the outside.