Sam4s ER-420F - Memory Part

SAM4S ER-420M/F SERIES 11-3
11-2 MEMORY PART
4
Date
of
4
3 2 1
AB
Size
3 2 1
B
Drawn by Sheet
C
TITLE :
D
C D
File Name
A3
Rev
Shin Heung Precision Co., Ltd.
4
Date
of
4
3 2 1
AB
Size
3 2 1
B
Drawn by Sheet
C
TITLE :
D
C D
File Name
A3
Rev
Shin Heung Precision Co., Ltd.
A(1) A(2) A(4) A(5) A(7) A(8)
D(0) D(2) D(3) D(5) D(6)
2
A(0) A(3) A(6) A(9)
D(1) D(4) D(7)
VBT
2 & 3
_RD
CS_FLASH
A(2) A(3) A(5) A(6) A(8) A(9)
A(11) A(12) A(14) A(15) A(17) A(18)
MEM_CE
_CS3
A(19) A(18) A(17)
2 & 3
(SHUNT#B) BOOT ROM
CS_FLASH
_CS1
CS_EPROM
_CS0
CS_EPROM CS_FLASH
D(2) D(1) D(5) D(4) D(7)
_RD
CS_EPROMCS_EPROM
A(10) A(11) A(13) A(14) A(16) A(17)
SRAM#3(4MBITs) SRAM#2(1MBITs)
CS_SRAM#1
_RESET
_RD
A(0) A(3) A(2) A(6) A(5) A(9) A(8)
A(12) A(11) A(15) A(14)
D(0) D(3) D(2) D(6) D(5)
_RESET
CS_SRAM#2
_RD
A(0) A(3) A(2) A(6) A(5) A(9) A(8)
A(12) A(11) A(15) A(14)
_CS2
_RESET
A(19) A(18) A(17)
R99100
D(0) D(3) D(2) D(6) D(5)
CS_SRAM#3
_RD
A(2) A(1) A(5) A(4) A(8) A(7)
A(11) A(10) A(14) A(13) A(17) A(16)
ER420 MAIN.SCH
ER-420 MAIN
CS_LCD
CS_KEYSCAN
CS_FISCAL8255 CS_EXTIN
D(0) D(3) D(2) D(6) D(5)
8
1 & 2
A(1)
_WR
A(4) A(7)
A(10) A(13) A(16) A(19)
R56 150K
1 & 2
VCC
D(0) D(3) D(6)
A(0)
A(12) A(15) A(18)
VBT
1 2
7
3
14
74HC08
U6:A
13 12
11
74HC08
U6:D
VCC VCC
SRAM#1(1MBITs)
_WR
A(1) A(4) A(7)
A(10) A(13) A(16)
VBT VBT
D(1) D(4) D(7)
VCC
R94 4.7K
_WR
A(1) A(4) A(7)
A(10) A(13) A(16)
R102100
VBT
D(1) D(4) D(7)
VCC
100nF C61
VBT
_WR
A(0) A(3) A(6) A(9)
A(12) A(15) A(18)
MEMORY PART
2004.04.21
VBT
100nF C86
D(1) D(4) D(7)
V1.4
VBT VCC
(SHUNT#A)
2
CN12:B
(SHUNT#B)
2
CN11:B
(SHUNT#A)
BOOT ROM SELECT
A(0:19)
CS_SRAM#3
(0xC80000~0xCFFFFF)
CS_SRAM#2
(0xC60000~0xC7FFFF)
CS_SRAM#1
RTC_SCLK
A(0:19)
(0xC00000~0xCFFFFF)
3
CN12:C
1
CN11:A
CON-NOWALL;3P,2.54MM,ST
3
CN11:C
1
CON-NOWALL;3P,2.54MM,ST
CN12:A
100nF C87
VCC
D(0:7)
VBT
100nF C42
(0xC40000~0xC5FFFF)
5 4
6
74HC08
U6:B
RTC_SDA
100nF C90
100nF C89
R101 4.7K
VBT
100nF C85
VBT
100nF C88
Hyun-Oh,Yun
VBT
100nF C50
11
WE
27
VSS2
26
CE
10
NC2
12
RESET
13
NC3
15
RY/BY
25
A0
37
VCC
22
A3
29
DQ0
23
A2
19
A6
35
DQ3
20
A5
33
DQ2
7
A9
42
DQ6
8
A8
40
DQ5
4
A12
32
DQ9
5
A11
30
DQ8
1
A15
39
DQ12
2
A14
36
DQ11
16
A18
17
A17
43
DQ14
45
A0/DQ15
28
OE
46
VSS1
14
NC4
47
BYTE
9
NC1
24
A1
21
A4
31
DQ1
18
A7
38
DQ4
6
A10
44
DQ7
3
A13
34
DQ10
48
A16
41
DQ13
AM29F800-70
U19
10
9
8
74HC08
U6:C
22
CE
24
OE
16
GND
1
VPP
10
A2
11
A1
7
A5
8
A4
27
A8
5
A7
25
A11
13
O0
23
A10
29
A14
17
O3
28
A13
15
O2
30
A17
20
O6
2
A16
19
O5
32
VCC
12
A0
9
A3
6
A6
26
A9
4
A12
14
O1
3
A15
18
O4
31
A18
21
O7
U24
M27C040-100
16
GND
30
CS2
22
CS1
32
VCC
24
OE
1
NC
12
A0
10
A2
9
A3
7
A5
6
A6
13
D0
26
A9
27
A8
17
D3
15
D2
4
A12
25
A11
20
D6
19
D5
31
A15
3
A14
29
WE
14
D1
11
A1
8
A4
5
A7
23
A10
18
D4
21
D7
28
A13
2
A16
KM681000LG-70
U22
8
GND
6
E3
9
Q6
4
E1
11
Q4
3
A2
13
Q2
1
A0
16
VCC
15
Q0
2
A1
7
Q7
5
E2
14
Q1
12
Q3
10
Q5
U14
74HC138
X2 32.768KHZ
16
GND
30
CS2
22
CS1
32
VCC
24
OE
1
NC
12
A0
10
A2
9
A3
7
A5
6
A6
13
D0
26
A9
27
A8
17
D3
15
D2
4
A12
25
A11
20
D6
19
D5
31
A15
3
A14
29
WE
14
D1
11
A1
8
A4
5
A7
23
A10
18
D4
21
D7
28
A13
2
A16
KM681000LG-70
U23
16
VSS
22
CS
32
VCC
24
OE
11
A1
10
A2
8
A4
7
A5
5
A7
27
A8
25
A11
23
A10
13
I-O1
3
A14
28
A13
15
I-O3
17
I-O4
30
A17
2
A16
20
I-O7
19
I-O6
29
WE
12
A0
26
A9
9
A3
4
A12
6
A6
14
I-O2
1
A18
31
A15
21
I-O8
18
I-O5
KM684000LP-70
U20
7
OSCIN
6
OSCOUT
2
SCL
3
SDA
1
INTRB
8
VDD
5
INTRA
4
VSS
RS5C372A U18
EPROM (0XF80000 ~ 0XFFFFFF) - 4MBITs
0X100000 ~ 0X1FFFFF (8MBITs) 0XF00000 ~ 0XFFFFFF (8MBITs)
FLASH ROM (0XF00000 ~ 0XFFFFFF) - 8MBITs
8
GND
6
E3
9
Q6
4
E1
11
Q4
3
A2
13
Q2
1
A0
16
VCC
15
Q0
2
A1
7
Q7
5
E2
14
Q1
12
Q3
10
Q5
U9
74HC138