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HD404849 Datasheet, PDF (105/125 Pages) Hitachi Semiconductor – 4-Bit Single-Chip Microcomputer
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HD404849 Series
Programmable ROM (HD4074849)
The HD4074849 is a ZTAT™ microcomputer with built-in PROM that can be programmed in PROM
mode.
Pin Description by Mode
Pin No.
MCU Mode
PROM Mode Pin No
MCU Mode
PROM Mode
FP-80A,
FP- 80A,
Pin
TFP- 80C FP-80B Pin Name I/O Pin Name I/O TFP-80C FP-80B Pin Name I/O Name I/O
1
3
R32/AN6 I/O A3
I 28
2
4
R33/AN7 I/O A4
I 29
3
5
AVSS
GND
30
4
6
TEST
I TEST
I 31
5
7
OSC1
I
VCC
32
6
8
OSC2
O
33
7
9
RESET I RESET I 34
8
10
X1
I GND
35
9
11
X2
O
36
10
12
GND
GND
37
11
13
D0
I/O CE
12
14
D1
I/O OE
13
15
D2
I/O VCC
14
16
D3
I/O VCC
15
17
D4
I/O A10
16
18
D5
I/O A11
17
19
D6
I/O A12
18
20
D7
I/O A13
19
21
D8
I/O A14
20
22
D10/STOPC I
A9
21
23
D11/INT0 I
VPP
22
24
R00/INT1 I/O M0
23
25
R01/INT2 I/O M 1
24
26
R02/INT3 I/O
25
27
R03
I/O
26
28
R10/TOB I/O A5
27
29
R11/TOC I/O A6
I 38
I 39
40
41
I 42
I 43
I 44
I 45
I 46
I 47
48
I 49
I 50
51
52
I 53
I 54
30
R12/TOD I/O A7
I
31
R13/EVNB I/O A8
I
32
R20/EVND I/O A0
I
33
R21/SCK I/O O0
I/O
34
R22/SI
I/O O1
I/O
35
R23/SO
I/O O2
I/O
36
R60/SEG13 I/O O3
I/O
37
R61/SEG14 I/O O4
I/O
38
R62/SEG15 I/O O4
I/O
39
R63/SEG16 I/O O3
I/O
40
R70/SEG17 I/O O2
I/O
41
R71/SEG18 I/O O1
I/O
42
R72/SEG19 I/O O0
I/O
43
R73/SEG20 I/O VCC
44
SEG21
O
45
SEG22
O
46
SEG23
O
47
SEG24
O
48
SEG25
O
49
SEG26
O
50
SEG27
O
51
SEG28
O
52
SEG29
O
53
SEG30
O
54
SEG31
O
55
SEG32
O
56
SEG33
O
105
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