Sharp HR-MB3, Руководство по обслуживанию

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HR-MB3
8 – 1
Audio HR-MB3 Service Manual HR-MB3 Market E CHAPTER 8.
OTHER
[1] Function table of IC
IC100 RH-IXA068AWZZ: DSP (IXA068AW) (1/3)
In this unit, the terminal with asterisk mark (*) is (open) terminal which is not connected to the outside.
Pin No. Port Name Terminal Name Input/Output Function
1 VSS1 VSS1 — GND.
2 PU DSP_PU Output Reserve. (Checker only)
3 DP DSP_DP Output Reserve. (Checker only)
4 DN DSP_DM Output Reserve. (Checker only)
5 USBVDD USBVDD Input Digital power for USB. (3.3V)
6 GPIO7 USB_DET Input/Output USB detect.
7 VSS3 VSS3 — GND.
8 DVDD1 DVDD1 Input Digital power for interface. (3.3V)
9 GPIO2 LCD_BL_ON Input/Output LCD backlight control.
10 GPIO1 CHARGER_CE_CONT Input/Output Charge current control.
11 VSS4 VSS4 — GND.
12 GPIO0 CVCC_CTL Input 1.6VREG. control.
13 X2/CLKIN X2 Input System clock input. (12MHz)
14 X1 X1 Input System clock output. (12MHz)
15* CLKOUT CLKOUT Input Master clock output. (Checker only)
16 C0 zRE Output Data read control.
17 C1 zOE Output Data read control.
18 CVDD7 CVDD7 Input Digital power for CPU core. (1.6V)
19 C2 zWE Output Data write control.
20 C3 READY Output Chip enable output.
21 C4 zCE0 Output Chip enable output0.
22 C5 zCE1 Output Chip enable output1.
23* C6 zCE2 Output Chip enable output2.
24 DVDD8 DVDD8 Input Digital power for interface. (3.3V).
25 C7 zCE3 Output Chip enable output3.
26 C8 zBE0 Output Byte enable control0.
27 C9 zBE1 Output Byte enable control1.
28 C11 zSDCAS Output SDRAM column strobe.
29 CVDD8 CVDD8 Input Digital power for CPU core. (1.6V)
30 RVDD2 RVDD2 Input Digital power for CPU core. (1.6V)
31 C14 CLKMEM Output Interface clock for SDRAM.
32 C12 zSDWE Output SDRAM write enable.
33 VSS7 VSS7 — Digital GND.
34 C10 zSDRAS Output PSDRAM row strobe.
35 C13 zSDA10 Output SDRAM A10 address.
36 VSS8 VSS8 — Digital GND.
37 VSS17 VSS17 — Digital GND.
38 A13 A13 Output Address bus A13.
39 A12 A12 Output Address bus A12.
40 A11 A11 Output Address bus A11.
41 CVDD2 CVDD2 Input Digital power for CPU core. (1.6V)
42 A10 A10 Output Address bus A10.
43 A9 A9 Output Address bus A9.
44 A8 A8 Output Address bus A8.
45 VSS16 VSS16 — Digital GND.
46 A7 A7 Output Address bus A7.
47 A6 A6 Output Address bus A6.
48 A5 A5 Output Address bus A5.
49 DVDD2 DVDD2 Input Digital power for interface. (3.3V)
50 A4 A4 Output Address bus A4.
51 A3 A3 Output Address bus A3.
52 A2 A2 Output Address bus A2.
53 RVDD3 RVDD3 Input Digital power for CPU core. (1.6V)
54 A1 CLAMP SW Output Address bus A1.
55* A0 A0/A14 Output Address bus A0.
56 DVDD9 DVDD9 Input Digital power for interface. (3.3V)