Skyworth 8M51B, Service Manual

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M S D 6329SV
D VB D igital Television System -on-Chip
Preliminary P in D iagram /De scription an d Me chan ical D im ensions Version 0.2
1/25 /2011
C opyright 20 11 M Star Sem iconductor, Inc. A llrights reserved.
DR A M Interface
P in N ame P in Type Fun ction P in
A _DD R 3_A
[14:0]
O utput D R A M M em ory A dd ress B 12, D 20, C 12,
D 12, D 14, E19,
E12, E 18, D 13,
D 18, E13, E17,
D 21, B 11, D 22
A _DD R 3_BA
[2:0]
O utput D R A M M em ory B ank A dd ress D 23, C 13, D 17
A _M C LK E O utput D R A M M em ory C lock Enable C 14
A _O D T I/O R eserved for future O n-D ie T erm ination E15
A _W EZ O utput W rit e Enable; active low E16
A _R A SZ O utput R ow A dd ress Strobe ; active low D 15
A _CA SZ O utput C olumn A dd ress Strobe; acti ve low D 16
A _M C LK O utput D R A M M em ory Posit ive D ifferenti alC lock B 14
A _M C LK Z O utput D R A M M em ory N egative D ifferenti alC lock B 13
A _DD R 3_D Q MU O utput D ata M ask for Low B yte; acti ve high B 23
A _DD R 3_D Q ML O utput D ata M ask for Low B yte; acti ve high C 17
A _DD R 3_D Q SU I/O D ata Strobe B 20
A _DD R 3_D Q SL I/O D ata Strobe C 21
A _DD R 3_D Q SBU I/O D ata Strobe Inverse B 19
A _DD R 3_D Q SB L I/O D ata Strobe Inverse C 20
A _DD R 3_D QU
[7:0]
I/O D R A M M em ory D ata B us B 22, B 18, C 23,
C 19, C 22, B 17,
B 21, C18
A _DD R 3_D QL
[7:0]
I/O D R A M M em ory D ata B us C 15, C 25, B 15,
B 25, C16, C 24,
B 16, B 24
A _R ESET Input D R A M M em ory R eset; acti ve low D 19
B _D D R 3_A
[14:0]
O utput D R A M M em ory A dd ress G 22, R2 3, K 23,
H 23, L23, P22,
H 22, N 22, J23,
N 23, J22, M 22,
R 22 , G 23, T 23
B _D D R 3_BA
[2:0]
O utput D R A M M em ory B ank A dd ress T 22, K 22, M 23
B _M CL KE O utput D R A M M em ory C lock Enable E23
B _O D T I/O R eserved for future O n-D ie T erm ination R 24
D oc.N o.:20120 10163