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
Содержание ECR 8220
Страница 1: ...Cash Register ECR 8200 8220 SWEDEN SERVICE MANUAL Code Y110930 6 Service Manual 1...
Страница 37: ...3 3 M30842MC MICROCOMPUTER Refer to the specification attached Service Manual 37...
Страница 38: ...Port Assignment for ECR8200 8220 SWEDEN M30842MC Service Manual 38...
Страница 39: ...Service Manual 39...
Страница 51: ...Service Manual 51...
Страница 53: ...S RAM PIN Configuration Refer to the specification attached data sheet Service Manual 53...
Страница 56: ...Service Manual 56...
Страница 58: ...Motor and Thermal Head drive timing Figure 3 14 2 2 Division Printing Timing Chart Service Manual 58...
Страница 63: ...Service Manual 63...
Страница 64: ...Service Manual 64...
Страница 65: ...Service Manual 65...
Страница 66: ...ECR8220 SWEDEN Service Manual 66...
Страница 67: ...Service Manual 67...
Страница 68: ...Service Manual 68...
Страница 69: ...It means OK when no error occurs through the checkup Service Manual 69...
Страница 70: ...FINISHED GOODS CHECK LIST ECR8200 SWEDEN Service Manual 70...
Страница 71: ...Service Manual 71...
Страница 72: ...Service Manual 72...
Страница 73: ...Service Manual 73...
Страница 74: ...ECR8220 SWEDEN Service Manual 74...
Страница 75: ...Service Manual 75...
Страница 76: ...Service Manual 76...
Страница 77: ...Service Manual 77...
Страница 86: ...17 It shows Up Load OK 18 Click Ver button Service Manual 86...
Страница 103: ...3 FIX TRANSFORMER UNIT TO DRAWER UNIT BY FASTENING 2PCS SCREW AC CORD SLOT HERE SCREW Service Manual 103...
Страница 109: ...ECR8200 SWEDEN 11 FIX SEMI SET TO BOTTOM CASE SEMI SET Service Manual 109...
Страница 112: ...14 COPLETE AND FUNCTION TEST BATTERY ASSY UNIT WINDING REEL Service Manual 112...
Страница 121: ...8 EXPLODED DIAGRAM ECR8200 SWEDEN Service Manual 121...
Страница 122: ...97 ECR8220 SWEDEN Service Manual 122...