3-13-2. FROM (S29AL004D70TFI010)
*May be changed later.
512K bytes FROM is used as programming.
P00 through P07 are multiplex bus that consists of data bus (D0-D7).
P20 through P27 are multiplex bus that consists of data bus (A0-A7).
P30 through P37 are multiplex bus that consists of data bus (A8-A15).
P40 is multiplex bus that consists of data bus (A16).
P41 is multiplex bus that consists of data bus (A17).
P42 is multiplex bus that consists of data bus (A18)
P43 is multiplex bus that consists of data bus (A19)
P47 is used for chip select at RAM.
P52 is used for Output Enable, P50 is used for Write Enable control.
EXTERNAL MEMORY CIRCUIT
A0
25
A1
24
A2
23
A3
22
A4
21
A5
20
A6
19
A7
18
A8
8
A9
7
A10
6
A11
5
A12
4
A13
3
A14
2
A15
1
A16
48
CE
26
A17
17
WE
11
OE
28
D0
29
D1
31
D2
33
D3
35
D4
38
D5
40
D6
42
D7
44
VCC
37
VSS
46
D15/A-1
45
D8
30
D9
32
D10
34
D11
36
D12
39
D13
41
D14
43
VSS
27
RESET
12
RY/BY
15
BYTE
47
NC
13
NC
14
NC
9
NC
10
A18
16
U2
S29AL004D70TFI010
A10
A0
A6
A3
A4
A2
A11
A8
A1
A14
A7
A12
A13
A16
A9
A15
A5
A17
A18
A19
WR#
RD#
ROM_CS#
RESET#
D6
D2
D1
D0
D4
D5
D3
D7
R92
10K
VBB
FRDY
R95
10K
VBB
C17
0.1uF
C111
*0.01uF
C70
*100pF
Service Manual
54
Summary of Contents for ECR8200
Page 1: ...Cash Register ECR 8200 8220 SWEDEN SERVICE MANUAL Code Y110930 6 Service Manual 1...
Page 37: ...3 3 M30842MC MICROCOMPUTER Refer to the specification attached Service Manual 37...
Page 38: ...Port Assignment for ECR8200 8220 SWEDEN M30842MC Service Manual 38...
Page 39: ...Service Manual 39...
Page 51: ...Service Manual 51...
Page 53: ...S RAM PIN Configuration Refer to the specification attached data sheet Service Manual 53...
Page 56: ...Service Manual 56...
Page 63: ...Service Manual 63...
Page 64: ...Service Manual 64...
Page 65: ...Service Manual 65...
Page 66: ...ECR8220 SWEDEN Service Manual 66...
Page 67: ...Service Manual 67...
Page 68: ...Service Manual 68...
Page 69: ...It means OK when no error occurs through the checkup Service Manual 69...
Page 70: ...FINISHED GOODS CHECK LIST ECR8200 SWEDEN Service Manual 70...
Page 71: ...Service Manual 71...
Page 72: ...Service Manual 72...
Page 73: ...Service Manual 73...
Page 74: ...ECR8220 SWEDEN Service Manual 74...
Page 75: ...Service Manual 75...
Page 76: ...Service Manual 76...
Page 77: ...Service Manual 77...
Page 86: ...17 It shows Up Load OK 18 Click Ver button Service Manual 86...
Page 109: ...ECR8200 SWEDEN 11 FIX SEMI SET TO BOTTOM CASE SEMI SET Service Manual 109...
Page 112: ...14 COPLETE AND FUNCTION TEST BATTERY ASSY UNIT WINDING REEL Service Manual 112...
Page 121: ...8 EXPLODED DIAGRAM ECR8200 SWEDEN Service Manual 121...