Sharp SD-AS10, Руководство по обслуживанию

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SD-AS10
8 – 8
IC701 RH-iXA030AW00: System Microcomputer (IXA030AW) (1/2)
In this unit, the terminal with asterisk mark (*) is (open) terminal which is not connected to the outside.
Pin No. Terminal Name Port Name Input/Output Function
1* N.C. P96/ANEX1/SOUT4 Output Not used.
2* N.C. P95/ANEX0/CLK4 Output Not used.
3* N.C. P94/DA1/TB4IN Output Not used.
4 SYS STB P93/DA0/TB3IN Input Communication with amp unit.
SYS
→
AMP communication request.
5 AMP MODE P92/TB2IN/SOUT3 Output Communication with amp unit. (To receive in amp mode)
STB=H: AMP
→
SYS communication start request.
6 SYS CMD P91/TB1IN/SIN3 Input Communication with amp unit, command transfer.
7 SYS CLK P90/TB0IN/CLK3 Input Communication with amp unit, sync clock output.
8 BYTE BYTE Input Connect to VSS.
9 VSS VSS — GND
10* XC IN P87/XCIN Input 32.768 kHz Subclock.
11* XC OUT P86/XCOUT Output 32.768 kHz Subclock.
12 RESET RESET Input System micom reset input. L: RESET
13 X_OUT XOUT Output Main clock output 9.83 MHz.
14 GND VSS — Connect to GND (VSS).
15 X_IN XIN Input Main clock input 9.83 MHz.
16 VCC VCC Input Power input 3.3 V, back up power.
17 NMI P85/NMI Input Pull up to VCC by 10K.
18 SYS STOP P84/INT2 Input AC power signal monitor. “H”
→
“L” Power failure detect
19 SP_DET P83/INT1 Output SP abnormal detect. L: PROTECT
20* EEPROM WP P82/INT0 Output EEPROM write protect.
21 CCB CE P81/TA4IN/U Output Tuner PLL/Volume IC interface chip enable output.
22 CCB DI P80/TA4OUT/U Output Tuner PLL/Volume IC interface data output.
23 CCB DO P77/TA3IN Input Tuner PLL/Volume IC interface data input.
24 CCB CLK P76/TA3OUT Output Tuner PLL/Volume IC interface clock output.
25 EEPROM MODE P75/TA2IN/W Input EEPROM access mode. L: Normal, H: Read
26* W CONT DATA P74/TA2OUT/W Output USER_BIT info monitor input.
27* EEPROM SCL P73/CTS2/RTS2/TA1IN/V Output EEPROM SCL
28* EEPROM SDA P72/CLK2/TA1OUT/V Output EEPROM SDATA
29 CODEC CLK P71/RVXD2/SCL/TA0IN/
TB5IN Output CODEC CLK
30 CODEC DATA P70/TXD2/SDA/TA0OUT Output CODEC DATA
31 RDS_RST/FLASH_TXD P67/TXD1 Output RDS RAM reset output/flash data output.
32 RDS_D0/FLASH_RXD P66/RXD1 Input RDS data input/flash data input.
33 RDS_RDY/
FLASH_SCLK P65/CLK1 Input RDS ready input/flash clock input.
34 RDS_CLK/
FLASH_BUSY P64/CTS1/RTS1/CTS0/
CLKS1 Output RDS clock output/flash busy output.
35 DSP_SCDIN P63/TXD0 Output DSP command out.
36 DSP_SCDOUT P62/RXD0 Input DSP data in.
37 DSP_SCLK P61/CLK0 Output DSP CLOCK
38 DSP_CS P60/CTS0/RTS0 Output DSP CS
39 DSP_RESET P57/RDY/CLKOUT Output DSP IC communication interface clock.
DSP IC reset signal.
40 DSP_INTREQ P56/ALE Input Request signal input to receive DSP data.
“L”: DSP MICOM DEMAND DATA
41* W_CH 1 P55/HOLD Output Channel 1 selector.
42* W_CH 2 P54/HLDA Output Channel 2 selector.
43* W_CH3 P53/A16 Output Channel 3 selector.
44 INDICATOR LED P52/A17 Output Power ON: LED ON (H)
Power OFF: LED OFF (L)
45 OVF P51/WRH/BHE Input CODEC A/D converter over flow monitor.
46* N.C. P50/WRL/WR Output Not used.
47* N.C. P47/CS3 Output Not used.
48* N.C. P46/CS2 Output Not used.
49 VOL_DA P45/CS1 Output Data and latch output for electronic volume IC control sjg-
nal.
50 VOL_CLK P44/CS0 Output CLK output for electronic volume IC control signal.
51 N.C. P43/A19 Output Not used.
52 NON PCM P42/A18 Input Audio PCM monitoring input.
“L”: Audio PCM “H”: Non Audio PCM
53 AC_RELAY P41/A17 Output Main trans ON/OFF control by relay. H: Relay ON