Read Sharp LC-19D1EWH (serv.man6) Service Manual online
LC-19D1E/S-BK/WH
5 – 22
2.12.2 Pin Connections and short description
16Mbit Flash Memory
2.13. IC4204 (VHiBR24S64M-1Y)
2.13.1 Block Diagram
2.13.2 Pin Connections and short description
64Kbit E2PROM
Pin No
Pin Name
I/O
Pin Function
1-9,16-25,48
A0-A19
I
Address Inputs
29,31,33,35,38,40,42,44
DQ0-DQ7
I/O
Data Inputs/Outputs
30,32,34,36,39,41,43
DQ8-DQ14
I/O
Data Inputs/Outputs
45
DQ15A?1
I/O
Data Input/Output or Address Input
26
E
I
Chip Enable
28
G
I
Output Enable
11
W
I
Write Enable
12
RP
I
Reset/Block Temporary Unprotect
15
RB
O
Ready/Busy Output
47
BYTE
I
Byte/Word Organization Select
37
VCC
-
Supply Voltage
27,46
VSS
-
Ground
10,13,14
NC
-
Not Connected Internally
Pin No.
Pin Name
I/O
Pin Function
1
A0
I
A0 signal
2
A1
I
A1 signal
3
A2
I
A2 signal
4
GND
-
Ground
5
SDA
I/O
Serial data
6
SCL
I
Serial clock
7
WP
I
Write Protect
8
VCC
-
Power supply
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