Nokia 2270, 2272, 2275, 2285 Service Manual
CCS Technical Documentation
Schematics / Layouts
RH-3
Issue 1 06/2003
Nokia Corporation Confidential
Page A-9
Memory
GND
E452
VIO
VFLASH1
VPP
E451
11
12
13
14
15
12
13
14
15
1
2
3
4
5
6
7
8
2
3
4
5
6
7
8
novflash1cap
MEMFILTER
VFLASH1
VIO
VPP
0
9
10
VPP
4k7
R450
_AVD
_CE
_CE
B9
C10
_OE
_RESET
B6
_WE
A6
_WP
B7
PRODTP6
C3
C2
C9
C8
C2
C9
C8
CLK
A4
PS
B5
A1
RDY
B4
D6
C5
C4
D2
D1
C5
C4
D2
D1
C7
C6
D5
D4
C6
D5
D4
B8
A8
B3
A8
B3
21
A2
D10
D9
D7
3
4
4
NC
5
NC
NC
NC
6
NC
7
8
8
NC
NC
A10
B2
16
A9
A3,C1,B10,D3= GND
A7= VPP
0
AM29N643GT70MVAI
D450
FLASHM 4Mx16
ADDRESS/DATA I/O
A
4194303
1
NC
NC
NC
2
NC
9
1
0
8
3
4
1
0
8
3
4
23
B1,D8= VIO
A5= VIO
23
E450
1
2
6
5
7
5
7
GENIO(31:0)
MEMCONT(9:0)
MEMCONT(9:0)
MEMAD(24:16)
MEMADDA(15:0)
16
17
18
19
20
21
22
17
18
19
20
21
22