LG RH4820W, Service Manual

Page: 83 / 150

3-103
Pin No. Pin Name Type Description
55 DGND - - - Digital GND.(Buffer. Memory. Block)
56 MD13 3V I/O Pull-up Buffer memory , Interface data bus.
57 MD2 3V I/O Pull-up Buffer memory , Interface data bus.
58 MD12 3V I/O Pull-up Buffer memory , Interface data bus.
59 MD3 3V I/O Pull-up Buffer memory , Interface data bus.
60 DGND - - - Digital GND.
61 MD11 3V I/O Pull-up Buffer memory , Interface data bus.
62 MD4 3V I/O Pull-up Buffer memory , Interface data bus.
63 MD10 3V I/O Pull-up Buffer memory , Interface data bus.
64 MD5 3V I/O Pull-up Buffer memory , Interface data bus.
65 DVD33 - - - Digital power.[3.3V](Buffer. Memory. Block)
66 DGND - - Digital GND.(Buffer. Memory. Block)
67 MD9 3V I/O Pull-up Buffer memory , Interface data bus.
68 MD6 3V I/O Pull-up Buffer memory , Interface data bus.
69 MD8 3V I/O Pull-up Buffer memory , Interface data bus.
70 MD7 3V I/O Pull-up Buffer memory , Interface data bus.
71 DVDD25 - - - Digital power.[2.5V]
72 LDQM 3V O H Low byte, data input/output mask control signal.
73 UDQM 3V O H High byte, data input/output mask control signal.
74 WE 3V O H Buffer memory , Interface write enable signal.
75 MCLK 3V O Pull-up SDRAM clock output.
76 DVDD33 - - - Digital power.[3.3V](Buffer. Memory. Block)
77 DGND - - - Digital GND.(Buffer. Memory. Block)
78 CAS 3V O H Buffer memory , Interface column address strobe control signal.
79 MCKE 3V O H SDRAM clock enable control signal.
80 RAS 3V O H Buffer memory , Interface row address strobe control signal.
81 MA9 3V O L Buffer memory , Interface address bus.
82 DVDD25 - - - Digital power.[2.5V]
83 MBA 3V O L Buffer memory , Interface bank address signal.
84 MA8 3V O L Buffer memory , Interface data bus.
85 MA10 3V O L Buffer memory , Interface data bus.
86 MA7 3V O L Buffer memory , Interface data bus.
87 DVDD33 - - - Digital power.[3.3V](Buffer. Memory. Block)