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HD404449 Datasheet, PDF (103/123 Pages) Hitachi Semiconductor – HD404449 SERIES
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HD404449 Series
Programmable ROM (HD4074449)
The HD4074449 is a ZTAT™ microcomputer with built-in PROM that can be programmed in PROM
mode.
PROM Mode Pin Description
MCU Mode
Pin No. Pin Name I/O
1
AN2
I
2
AN3
I
3
AVSS
4
TEST
I
5
OSC1
I
6
OSC2
O
7
RESET
I
8
X1
I
9
X2
O
10
GND
11
D0
I/O
12
D1
I/O
13
D2
I/O
14
D3
I/O
15
D4
I/O
16
D5
I/O
17
D6
I/O
18
D7
I/O
19
D8
I/O
20
D9
I/O
21
D10
I/O
22
D11
I/O
23
D12/STOPC I
24
D13/INT0
I
25
R00/INT1 I/O
26
R01/INT2 I/O
27
R02/INT3 I/O
28
R03
I/O
29
R10
I/O
30
R11
I/O
PROM Mode
Pin Name I/O
GND
TEST
I
VCC
RESET
I
GND
GND
CE
I
OE
I
VCC
VCC
A13
I
A14
I
A9
I
VPP
M0
I
M1
I
A5
I
A6
I
Pin No.
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
MCU Mode
Pin Name I/O
R12
I/O
R13
I/O
R20
I/O
R21
I/O
R22
I/O
R23
I/O
R30/TOB I/O
R31/TOC I/O
R32/TOD I/O
R33/EVNB I/O
R40/EVND I/O
R41/SCK1 I/O
R42/SI1
I/O
R43/SO1 I/O
R50
I/O
R51/SCK2 I/O
R52/SI2
I/O
R53/SO2 I/O
R60
I/O
R61
I/O
R62
I/O
R63
I/O
R70
I/O
R71
I/O
R72
I/O
R73
I/O
R80
I/O
R81
I/O
R82
I/O
R83
I/O
PROM Mode
Pin Name I/O
A7
I
A8
I
A0
I
A10
I
A11
I
A12
I
A1
I
A2
I
A3
I
A4
I
O0
I/O
O1
I/O
O2
I/O
O3
I/O
O4
I/O
O5
I/O
O6
I/O
O7
I/O
103
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