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参数资料
| 型号： | M37481M8-XXXFP |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | 8-BIT, MROM, 4 MHz, MICROCONTROLLER, PQFP44 |
| 封装： | 10 X 10 MM, 0.80 MM PITCH, PLASTIC, QFP-44 |
| 文件页数： | 47/100页 |
| 文件大小： | 1457K |
| 代理商： | M37481M8-XXXFP |
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47
MITSUBISHI MICROCOMPUTERS
7480/7481 GROUP
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
PRELIMINAR
Y
Notice:
This
is not
a final
specification.
Some
parametric
limits
are
subject
to change.
EPROM MODE
The built-in programmable ROM has the EPROM mode in addition
_____
to its normal operation modes. When the RESET level becomes
“L”, the chip automatically enters the EPROM mode. Table 6
shows a list of correspondence between pins and Figure 50 to Fig-
ure 52 show pin connection diagrams. In this status, each of ports
P0, P11 to P17, P20 to P23, P3, P40, P41 and VREF are used for
the PROM (equivalent to M5M27C256K). In this mode, the built-in
PROM can be written to or read from using these pins in the same
way as with the M5M27C256K. The clock should be connected to
XIN and XOUT pins.
Table 6. Correspondence between pins in EPROM mode
M37480E8, M37481E8
VCC
P33
VSS
Ports
P11 – P17,
P20 – P23, P30,
P31, P40, P41
Port P0
VREF
P32
VCC
VPP
VSS
Address input
Data I/O
__
CE
__
OE
M5M27C256K
VCC
VPP
VSS
A0 – A14
D0 – D7
__
CE
__
OE
Fig. 50 Pin connection in EPROM mode (1)
Outline 42P4B
42S1B-A (M37481E8SS)
A10
A9
A8
A7
A6
A5
A4
A3
A2
A1
A0
VSS
CE
D7
D6
D5
D4
D3
D2
D1
D0
A14
A13
VPP
A12
A11
VCC
OE
VSS
: PROM pin (equivalent to M5M27C256K)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
28
29
30
31
32
M37481E8-XXXSP
M37481E8T-XXXSP
M37481E8SS
P17/SRDY
P16/SCLK
P15/TXD
P14/RXD
P13/T1
P12/T0
P11
P10
P23/IN3
P22/IN2
P21/IN1
P20/IN0
VREF
XIN
XOUT
VSS
P07
P06
P05
P04
P03
P02
P01
P00
P41/CNTR1
P40/CNTR0
P33
P32
P31/INT1
P30/INT0
RESET
VCC
17
26
25
24
23
22
18
19
20
21
27
33
35
36
37
38
39
40
41
42
34
P53
P27/IN7
P26/IN6
P25/IN5
P24/IN4
P52
P51
P50
P43
P42
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相关代理商/技术参数 |
参数描述 |
|---|---|
| M37481M8-XXXSP | 制造商:RENESAS 制造商全称:Renesas Technology Corp 功能描述:8-BIT SINGLE-CHIP MICROCOMPUTER 740 FAMILY / 7470 SERIES |
| M37481MT-088FP | 制造商:MITSUBISHI 制造商全称:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER |
| M37481MXT | 制造商:MITSUBISHI 制造商全称:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER |
| M37481MXT-XXXFP | 制造商:RENESAS 制造商全称:Renesas Technology Corp 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER |
| M37481MXT-XXXSP | 制造商:RENESAS 制造商全称:Renesas Technology Corp 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER |
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