Bose AV28 Manual page 64

U3, SDRAM, 64MBIT, 2MX32, 3.3V
Integrated Circuit Diagrams
Signal Names
A0-A19
DQ0-DQ7
DQ8-DQ14
DQ15A-1
E
G
W
RP
RB
BYTE
VCC
VSS
NC
U2, FLASH, 16M, 3.3V TSSOP, 90NS
U202, U503, CS4340-KS, DAC, 96 kHz, 3-5V
64
Adress Inputs
Data Inputs/Outputs
Data Inputs/Outputs
Data Input/Output or Address Input
Chip Enable
Output Enable
Write Enable
Reset/Block Temporary Unprotect
Ready/Busy Output
Byte/Word Organization Select
Supply Voltage
Ground
Not Connected Internally
U201, AUDIO MATRIX, S028