NEO DVD-HT750, Service Manual, Page: 12 / 50

10
PIN Symbol Type Description
55 APLLVDD3 Power 3.3V power
56 ALE Inout,pull up Microcontroller address latch enable
57 IOOE# Inout Flash output enable,active low /GPIO13
58 IOWR# Inout Flash write enable,active low /GPIO17
59 IOCS# Inout,pull up Flash chip select,active low /GPIO18
60 DVSS Ground Ground
61 UP1_2 Inout,pull up Microcontroller port 1-2
62 UP1_3 Inout,pull up Microcontroller port 1-3
63 UP1_4 Inout,pull up Microcontroller port 1-4
64 UP1_5 Inout,pull up Microcontroller port 1-5
65 UP1_6 Inout,pull up Microcontroller port 1-6
66 DVDD3 Power 3.3V power
67 UP1_7 Inout,pull up Microcontroller port 1-7
68 UP3_0 Inout,pull up Microcontroller port 3-0
69 UP3_1 Inout,pull up Microcontroller port 3-1
70 INT0# Inout,pull up Microcontroller interrupt 0,active low
71 IR Input IR control signal input
72 DVDD2 Power 2.5V power
73 UP3_4 Inout Microcontroller port 3-4
74 UP3_5 Inout Microcontroller port 3-5
75 UWR# Inout,pull up Microcontroller write strobe,active low
76 URD# Inout,pull up Microcontroller read strobe,active low
77 DVSS Ground Ground
78 RD7 Inout DRAM data 7
79 RD6 Inout DRAM data 6
80 RD5 Inout DRAM data 5
81 RD4 Inout DRAM data 4
82 DVDD2 Power 2.5V power
83 RD3 Inout DRAM data 3
84 RD2 Inout DRAM data 2
85 RD1 Inout DRAM data 1
86 RD0 Inout DRAM data 0
87 RWE# Output DRAM write enable,active low
88 CAS# Output DRAM column address strobe,active low
89 RAS# Output DRAM row address strobe,active low
90 RCS# Output DRAM chip select,active low
91 BA0 Output DRAM bank address 0
92 DVSS Ground Ground
93 RD15 Inout,pull up/down DRAM data 15
94 RD14 Inout,pull up/down DRAM data 14
95 RD13 Inout,pull up/down DRAM data 13
96 RD12 Inout,pull up/down DRAM data 12
97 DVDD3 Power Power3.3V
98 RD11 Inout,pull up/down DRAM data 11
99 RD10 Inout,pull up/down DRAM data 10
100 RD9 Inout,pull up/down DRAM data 9
101 RD8 Inout,pull up/down DRAM data 8
102 DVSS Ground Ground
103 CLK Output DRAM clock
104 CLE Output DRAM clock enable
105 RA11 Output DRAM address bit 11 or audio serial data 3 (channel 7/8)
106 RA9 Output DRAM address 9
107 RA8 Output DRAM address 8
108 DMVDD3 Power 3.3V power
109 DMVSS Ground Ground
110 RA7 Output DRAM address 7
111 DV33 Power 3.3V power
112 RA6 Output DRAM address 6
113 RA5 Output DRAM address 5