Philips DVDR1000/001, Service Manual

Page: 248 / 317

Circuit-, IC Descriptions and List of Abbreviations
GB 248 DVDR1000 /0x1 /691 9.
DATA53 40 input/output 3 DRAM data interface bit 53
DATA54 41 input/output 3 DRAM data interface bit 54
DATA55 42 input/output 3 DRAM data interface bit 55
V
SS
43 ground
−
ground for pad ring
DATA56 44 input/output 3 DRAM data interface bit 56
DATA57 45 input/output 3 DRAM data interface bit 57
DATA58 46 input/output 3 DRAM data interface bit 58
DATA59 47 input/output 3 DRAM data interface bit 59
V
DD
48 supply
−
supply voltage for pad ring
DATA60 49 input/output 3 DRAM data interface bit 60
DATA61 50 input/output 3 DRAM data interface bit 61
DATA62 51 input/output 3 DRAM data interface bit 62
DATA63 52 input/output 3 DRAM data interface bit 63 (MSB)
V
SS
53 ground
−
ground for pad ring
ADR0 54 output/3-state 3 DRAM address interface bit 0 (LSB)
ADR1 55 output/3-state 3 DRAM address interface bit 1
ADR2 56 output/3-state 3 DRAM address interface bit 2
ADR3 57 output/3-state 3 DRAM address interface bit 3
V
DD
58 supply
−
supply voltage for pad ring
ADR4 59 output/3-state 3 DRAM address interface bit 4
ADR5 60 output/3-state 3 DRAM address interface bit 5
ADR6 61 output/3-state 3 DRAM address interface bit 6
ADR7 62 output/3-state 3 DRAM address interface bit 7
V
SS
63 ground
−
ground for pad ring
ADR8 64 output/3-state 3 DRAM address interface bit 8 (MSB)
CASN 65 output/3-state 6 DRAM column address strobe (active LOW)
V
DD
66 supply
−
supply voltage for pad ring
RASN 67 output/3-state 3 DRAM row address strobe (active LOW)
WEN 68 output/3-state 3 DRAM write enable (active LOW)
OEN 69 output/3-state 3 DRAM chip select (active LOW)
V
SS
70 ground
−
ground for pad ring
YUV0 71 input
−
video input signal bit 0 (LSB)
YUV1 72 input
−
video input signal bit 1
YUV2 73 input
−
video input signal bit 2
YUV3 74 input
−
video input signal bit 3
V
SSCO
75 ground
−
ground for core logic
V
DDCO
76 supply
−
supply voltage for core logic
V
SSCO
77 ground
−
ground for core logic
V
DDCO
78 supply
−
supply voltage for core logic
V
SSCO
79 ground
−
ground for core logic
SYMBOL PIN INPUT/OUTPUT
(1)
I
max
(mA)
DESCRIPTION