參數(shù)資料
型號: M34554M8-XXXFP
元件分類: 微控制器/微處理器
英文描述: 4-BIT, MROM, 6 MHz, MICROCONTROLLER, PQFP64
封裝: 14 X 14 MM, 0.80 MM PITCH, PLASTIC, QFP-64
文件頁數(shù): 40/137頁
文件大小: 1606K
代理商: M34554M8-XXXFP
134
4554 Group
SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER
MITSUBISHI MICROCOMPUTERS
PRELIMINAR
Y
Notice:
This
is not
a final
specification.
Some
parametric
limits
are
subject
to change.
Table 25 Product of built-in PROM version
PROM size
( 10 bits)
16384 words
RAM size
( 4 bits)
512 words
M34554EDFP
One Time PROM [shipped in blank]
64P6N-A
BUILT-IN PROM VERSION
In addition to the mask ROM versions, the 4554 Group has the
One Time PROM versions whose PROMs can only be written to
and not be erased.
The built-in PROM version has functions similar to those of the
mask ROM versions, but it has PROM mode that enables writing to
built-in PROM.
Table 25 shows the product of built-in PROM version. Figure 73
shows the pin configurations of built-in PROM versions.
The One Time PROM version has pin-compatibility with the mask
ROM version.
ROM type
Package
Product
Fig. 59 Pin configuration of built-in PROM version
PIN CONFIGURATION (TOP VIEW)
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
SEG0/VLC3
SEG1/VLC2
SEG2/VLC1
SEG3
SEG4
SEG5
SEG6
M34554EDFP
SEG7
SEG8
SEG9
SEG10
SEG11
SEG12
SEG13
SEG14
SEG15
D4
D5
D6
CNVSS
VDCE
XCIN
XCOUT
VDD
VSS
XOUT
XIN
RESET
D7/CNTR0
C/CNTR1
D8/INT0
D9/INT1
COM
0
COM
1
COM
2
COM
3
P0
0
P0
1
P0
2
P0
3
P1
0
P1
1
P1
2
P1
3
D
0
D
1
D
2
D
3
SEG
16
SEG
17
SEG
18
SEG
19
SEG
20
SEG
21
SEG
22
SEG
23
SEG
24
/P3
3
SEG
25
/P3
2
SEG
26
/P3
1
SEG
27
/P3
0
SEG
28
/P2
3
SEG
29
/P2
2
SEG
30
/P2
1
SEG
31
/P2
0
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
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