JVC TH-A75 Service Manual page 59

• Pin function
Pin Symbol I/O
No.
1-9 A15-A8,A19
10 NC - No connection : Unconnected pins
11 WE#
12-15 NC - No connection : Unconnected pins
16-25 A18,A17,A7-A0
26 CE#
27 VSS - Ground
28 OE#
29-36 DQ0,DQ8,DQ1 I/O Data input/output : To output data during Read cycles and receive input data during write cycles.
DQ9,DQ2,DQ10
DQ3,DQ11
37 VDD - Power supply : To provide power supply voltage (2.7-3.6V)
38-45 DQ4,DQ12,DQ5 I/O Data input/output : To output data during Read cycles and receive input data during write cycles.
DQ13,DQ6,DQ14
DQ7,DQ15
46 VSS - Ground
47 NC - No connection : Unconnected pins
48 A16
I Address inputs : To provide memory addresses.
During Sector-Erase A19-A11 address lines will select the sector.
During Block-Erase, A19-A15 address line will select the block.
I Write Enable : To control the Write operations
I Address inputs : To provide memory addresses.
During Sector-Erase A19-A11 address lines will select the sector.
During Block-Erase, A19-A15 address line will select the block.
I Chip Enable : To activate the device when CE# is low.
I Output Enable : To gate the data output buffers
Data is internally latched during a write cycle.
The outputs are in tri-state when OE# or CE# is high.
Data is internally latched during a write cycle.
The outputs are in tri-state when OE# or CE# is high.
I Address input : To provide memory address.
During Sector-Erase A19-A11 address lines will select the sector.
During Block-Erase, A19-A15 address line will select the block.
Function
TH-A75
(No.22009)1-59