Sharp SD-AT50H Service Manual page 52

SD-AT50H
IC301 RH-iX0563AWZZ: DSP System Microcomputer (IX0563AW)
P96/ANEX1/
1
LCD_SDA
SOUT4
P95/ANEX0/
LCD_SCL 2
CLK4
P94/DA1/
3
LCD_CS
TB4IN
P93/DA0/
4
LCD_RESET
TB3IN
P92/TB2IN/
AMP_SOUT 5
SOUT3
P91/TB1IN/
6
AMP_SPIN
SIN3
P90/TB0IN/
AMP_CLK 7
SCLK3
BYTE 8
BYTE
9
FLASH_VCC CNVSS
AMP_STB 10
P87/XCIN
N.C.
P86/XCOUT
11
REST
12 RESET
X_OUT
13 XOUT
14
GND VSS
X_IN
15 XIN
VCC 16
VCC
FLSH_"H"
17
P85/NMI
SYS_STOP 18 P84/INT2
AMP_INT
19 P83/INT1
RX_IN
20
P82/INT0
N.C. 21
P81/TA4IN/U
N.C. 22 P80/TA4OUT/U
REC_ON 23
P77/TA3IN
N.C.
24
P76/TA3OUT
DVD_ON 25
P75/TA2IN/W
KEY_OUT 26
P74/TA2OUT/W
P73/CTS2/RTS2
N.C.
27
TA1IN/V
P72/CLK2/
28
OVF
TA1OUT/V
P71/RXD2/SCL/
SCL 29
TA0IN/TB5IN
P70/TXD2/SDA/
SDA
30
TA0OUT
100 99 98 97 96 95 94 93 92 91 90 89 88 87 86
31 32 33 34 35 36 37 38 39 40 41 42 43 44 45
Figure 52 BLOCK DIAGRAM OF IC
85 84 83 82 81
IC301
IX0563AW
46 47 48 49 50
– 52 –
80 N.C.
P10/D8
P11/D9 79 CONFIG
78 N.C.
P12/D10
77 N.C.
P13/D11
N.C.
76
P14/D12
75 H.P_SW
P15/D13/INT3
74
P16/D14/INT4 DSP_INTREQ
NONPCM
73
P17/D15/INT5
72 S_MUTE
P21/A7(/D0/-)
BASS-SW
71
P21/A7(/D1/D0)
P22/A7(/D2/D1) DIG_FUNC+B
70
L-MUTE
P23/A7(/D3/D2) 69
N.C.
P24/A7(/D4/D3) 68
67 N.C.
P25/A7(/D5/D4)
DSP_ABOOT
P26/A7(/D6/D5) 66
ROM
65
P27/A7(/D7/D6)
VSS 64
GND
N.C.
63
P30/A8(/-/D7)
VCC
VCC 62
TEST1
P31/A9 61
N.C.
P32/A10 60
N.C.
P33/A11 59
N.C.
58
P34/A12
N.C.
57
P35/A13
P36/A14 56 VOL_CL
VOL_DA
55
P37/A15
P40/A16 54 B_LIGHT
53 DPL_LED
P41/A17
STEREO_LED
52
P42/A18
P43/A19 51 SURR_LED