HL-2030/2040/2070N SERVICE MANUAL
Confidential
3-9
1.3.5 ROM
A 32Mbit ROM (x 16bit) is fitted.
< HL-2030/2040 >
DATA[1]
DATA[12]
DATA[13]
DATA[8]
DATA[4]
DATA[2]
DATA[10]
DATA[3]
DATA[5]
DATA[0]
DATA[9]
DATA[7]
DATA[11]
DATA[6]
DATA[14]
DATA[15]
ADR[7]
ADR[11]
ADR[6]
ADR[13]
ADR[21]
ADR[1]
ADR[2]
ADR[20]
ADR[19]
ADR[4]
ADR[9]
ADR[14]
ADR[12]
ADR[17]
ADR[10]
ADR[15]
ADR[5]
ADR[3]
ADR[18]
ADR[8]
ADR[16]
ADR[22]
VDD3
TP130
C84
C103
4B
IOWEN
VDD3
0V
4B
IORDN
VDD3
4B
ROMCSN0
3B
DATA[15-0]
4B/6A/6B
ADR[22-1]
2A/2-1B/2-4E
RSTN
@R90
1k
C82
C101
0V
TP126
U9
MBM29PL64LM-90TN/10T
CE
26
OE
28
WE
11
BYTE
47
RESET
12
WR/ACC/NC
14
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
A17
17
A18
16
A19
9
A20/NC
10
A21/NC
13
VCC
37
VSS27
27
VSS46
46
RY/BY
15
DQ0
29
DQ1
31
DQ2
33
DQ3
35
DQ4
38
DQ5
40
DQ6
42
DQ7
44
DQ8
30
DQ9
32
DQ10
34
DQ11
36
DQ12
39
DQ13
41
DQ14
43
DQ15/A-1
45
A19
47
32M
WP/ACC
NC
NC
NC
RY/BY
16M
RY/BY
14
A19
NC
Byte
Byte
Byte
RY/BY
13
8M
15
NC
9
FLASH PIN
FLASH MEMORY
NC
PIN
A21
64M
A19
Byte
RY/BY
WP/ACC
Fig. 3-10