BBK 9903S, Service Manual

Page: 24 / 94

MT1379
PRELIMINARY, SUBJECT TO CHANGE WITHOUT NOTICE MTK CONFIDENTIAL, NO DISCLOSURE
Pin Number Symbol Type Description
29 HIGHA6 Inout
2~16MA, SR
PU
Microcontroller address 14
30 HIGHA7 Inout
2~16MA, SR
PU
Microcontroller address 15
31 AD7 Inout
2~16MA, SR
Microcontroller address/data 7
32 AD6 Inout
2~16MA, SR
Microcontroller address/data 6
33 AD5 Inout
2~16MA, SR
Microcontroller address/data 5
34 AD4 Inout
2~16MA, SR
Microcontroller address/data 4
35 DVDD3 Power 3.3V power pin for internal digital circuitry
36 AD3 Inout
2~16MA, SR
Microcontroller address/data 3
37 AD2 Inout
2~16MA, SR
Microcontroller address/data 2
38 AD1 Inout
2~16MA, SR
Microcontroller address/data 1
39 AD0 Inout
2~16MA, SR
Microcontroller address/data 0
40 IOA0 Inout
2~16MA, SR
PU
Microcontroller address 0 / IO
41 IOA1 Inout
2~16MA, SR
PU
Microcontroller address 1 / IO
42 DVDD2 Power 2.5V power pin for internal digital circuitry
43 IOA2 Inout
2~16MA, SR
PU
Microcontroller address 2 / IO
44 IOA3 Inout
2~16MA, SR
PU
Microcontroller address 3 / IO
45 IOA4 Inout
2~16MA, SR
PU
Microcontroller address 4 / IO
46 IOA5 Inout
2~16MA, SR
PU
Microcontroller address 5 / IO
47 IOA6 Inout
2~16MA, SR
PU
Microcontroller address 6 / IO