BBK BBK938S, Service Manual

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MT1379
PRELIMINARY, SUBJECT TO CHANGE WITHOUT NOTICE MTK CONFIDENTIAL, NO DISCLOSURE
Pin Number Symbol Type Description
94 RD14 Inout
2~16MA, SR
PU/PD, SMT
DRAM data 14
95 RD13 Inout
2~16MA, SR
PU/PD, SMT
DRAM data 13
96 RD12 Inout
2~16MA, SR
PU/PD, SMT
DRAM data 12
97 DVDD3 Power 3.3V power pin for internal digital circuitry
98 RD11 Inout
2~16MA, SR
PU/PD, SMT
DRAM data 11
99 RD10 Inout
2~16MA, SR
PU/PD, SMT
DRAM data 10
100 RD9 Inout
2~16MA, SR
PU/PD, SMT
DRAM data 9
101 RD8 Inout
2~16MA, SR
PU/PD, SMT
DRAM data 8
102 DVSS Ground Ground pin for internal digital circuitry
103 CLK Output
2~16MA, SR
DRAM clock
104 CLE Output
2~16MA, SR
DRAM clock enable
105 RA11 Output
2~16MA, SR
DRAM address bit 11 or audio serial data 3 (channel 7/8)
106 RA9 Output
2~16MA, SR
DRAM address 9
107 RA8 Output
2~16MA, SR
DRAM address 8
108 DMVDD3 Power 3.3V Power pin for DRAM clock circuitry
109 DMVSS Ground Ground pin for DRAM clock circuitry
110 RA7 Output
2~16MA, SR
DRAM address 7
111 DVDD3 Power 3.3V power pin for internal digital circuitry
112 RA6 Output
2~16MA, SR
DRAM address 6
113 RA5 Output
2~16MA, SR
DRAM address 5
114 RA4 Output
2~16MA, SR
DRAM address 4
115 DVSS Ground Ground pin for internal digital circuitry
116 DQM1 Output
2~16MA, SR
Mask for DRAM input/output byte 1
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