48
STR-K995
Pin No. Pin Name I/O Description
52, 53 PAGE1, PAGE0 O Not used. (Open)
54 BOOT I Not used. (Fixed to “L”)
55 TST1 O Not used. (Open)
56 BST I Boot stop signal input
57 MOD1 I Operation mode signal input (L: 386fs, H: 256fs) (Fixed to “H” (+3.3V))
58 MOD0 I Not used. (Fixed to “L”)
59 EXLOCK I Error detection signal input from digital audio interface receiver IC
60 VDDI — Power supply pin (+2.6 V)
61 VSS — Ground pin
62, 63 A17, A16 O Not used. (Open)
64 to 66 A15 to A13 O External memory address signal output for SDRAM IC
67 GP10 O Not used. (Open)
68 GP9 O GP9 signal output for system control IC
69 GP8 I Audio signal input from digital audio interface receiver IC
70 VDDI I Power supply pin (+2.6 V)
71 VSS — Ground pin
72 to 75 D15/GP7 to D12/GP4 I/O External memory data input/output for SDRAM IC
76 VDDE — Power supply pin (+3.3 V)
77 to 80 D11/GP3 to D8/GP0 I/O External memory data input/output for SDRAM IC
81 VSS — Ground pin
82 A9 O External memory address signal output for SDRAM IC
83 to 85 A12 to A10 O External memory address signal output for SDRAM IC
86 TDO O Not used. (Fixed to “H” (+3.3V))
87 TMS I Not used. (Fixed to “H” (+3.3V))
88 XTRST I Not used. (Fixed to “H” (+3.3V))
89 TCK I Not used. (Fixed to “H” (+3.3V))
90 TDI I Not used. (Fixed to “H” (+3.3V))
91 VSS — Ground pin
92 to 97 A8 to A3 O External memory address signal output for SDRAM IC
98, 99 D7, D6 I/O External memory data input/output for SDRAM IC
100 VDDI — Power supply pin (+2.6 V)
101 VSS — Ground pin
102 to 105 D5 to D2 I/O External memory data input/output for SDRAM IC
106 VDDE — Power supply pin (+3.3 V)
107, 108 D1, D0 I/O External memory data input/output for SDRAM IC
109, 110 A2, A1 O External memory address signal output for SDRAM IC
111 VSS — Ground pin
112 A0 O External memory address signal output for SDRAM IC
113 PM I PLL initialization signal input from system control IC
114, 115 SDI3, SDI4 I Not used. (Open)
116 SYNC I Not used. (Fixed to “H” (+3.3V))
117 TST2 I Not used. (Fixed to “L”)
118 GP11 I Not used. (Fixed to “L”)
119 TST3 I Not used. (Fixed to “L”)
120 VDDI — Power supply pin (+2.6 V)
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TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com
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