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參數資料
| 型號： | M37753FFCFP |
| 廠商： | Mitsubishi Electric Corporation |
| 英文描述： | SINGLE CHIP 16 BIT CMOS MICROCOMPUTER FLASH MEMORY VERSION |
| 中文描述： | 單片微機16位CMOS閃存版 |
| 文件頁數： | 14/67頁 |
| 文件大小： | 525K |
| 代理商： | M37753FFCFP |
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14
PRELIMINARY
Notice: This is not a final specification.
Some parametric limits are subject to change.
MITSUBISHI MICROCOMPUTERS
M37753FFCFP
M37753FFCHP
SHINGLE-CHIP 16-BIT CMOS MICROCOMPUTER FLASH MEMORY VERSION
FLASH MEMORY MODE
The M37753FFCFP and the M37753FFCHP have the flash memory
mode in addition to the normal operation mode (microcomputer
mode). The user can use this mode to perform read, program, and
erase operations for the internal flash memory.
The M37753FFCFP and the M37753FFCHP have three modes the
user can choose: the parallel input/output and serial input/output
mode, where the flash memory is handled by using the external pro-
grammer, and the CPU reprogramming mode, where the flash
memory is handled by the central processing unit (CPU). The follow-
ing explains these modes.
Flash memory mode 1 (parallel I/O mode)
The parallel I/O mode can be selected by connecting wires as shown
in Figures 6, 7 and supplying power to the V
CC
and V
PP
pins. In this
mode, the M37753FFCFP and the M37753FFCHP operate as an
equivalent of MITSUBISHI’s CMOS flash memory M5M28F101.
However, because the M37753FFCFP and the M37753FFCHP’s in-
ternal memory has a capacity of 120 Kbytes, programming is avail-
able for addresses 01000
16
to 1EFFF
16
, and make sure that the data
in addresses 00000
16
to 00FFF
16
and addresses 1F000
16
to
1FFFF
16
are FF
16
. Note also that the M37753FFCFP and the
M37753FFCHP do not contain a facility to read out a device identifi-
cation code by applying a high voltage to address input (A9). Be
careful not to erratically set program conditions when using a gen-
eral-purpose PROM programmer.
Table 1 shows the pin assignments when operating in the parallel
input/output mode.
Table 1. Pin assignments of M37753FFCFP and M37753FFCHP
when operating in the parallel input/output mode
V
CC
V
PP
V
SS
Address input
Data I/O
___
___
M37753FFCFP/CHP
V
CC
CNV
SS
V
SS
Ports P0, P1, P5
4
Port P2
P5
2
P5
1
P5
0
M5M28F101
V
CC
V
PP
V
SS
A
0
–A
16
D
0
7
CE
___
Functional outline (Parallel input/output
mode)
In the parallel input/output mode, the M37753FFCFP and the
M37753FFCHP allow the user to choose an operation mode be-
tween the read-only mode and the read/write mode (software com-
mand control mode) depending on the voltage applied to the V
PP
pin.
When V
PP
= V
PP
L, the read-only mode is selected, and the user can
choose one of three states (e.g., read, output disable, or standby) de-
pending on inputs to the CE, OE, and WE pins. When V
PP
= V
PP
H,
the read/write mode is selected, and the user can choose one of four
states (e.g., read, output disable, standby, or write) depending on in-
puts to the CE, OE, and WE pins. Table 2 shows assignment states
of control input and each state.
Read
The microcomputer enters the read state by driving the CE, and OE
pins low and the WE pin high; and the contents of memory corre-
sponding to the address to be input to address input pins (A
0
–A
16
).
are output to the data input/output pins (D
0
–D
7
).
Output disable
The microcomputer enters the output disable state by driving the CE
pin low and the WE and OE pins high; and the data input/output pins
enter the floating state.
Standby
The microcomputer enters the standby state by driving the CE pin
high. The M37753FFCFP and the M37753FFCHP are placed in a
power-down state consuming only a minimal supply current. At this
time, the data input/output pins enter the floating state.
Write
The microcomputer enters the write state by driving the V
PP
pin high
(V
PP
PP
H) and then the WE pin low when the CE pin is low and
the OE pin is high. In this state, software commands can be input
from the data input/output pins, and the user can choose program or
erase operation depending on the contents of this software com-
mand.
Pin
Mode
Read
Output disable
Standby
Read
Output disable
Standby
Write
Read-only
Read/Write
CE
V
IL
V
IL
V
IH
V
IL
V
IL
V
IH
V
IL
V
IL
V
IH
×
V
IL
V
IH
×
V
IH
Table 2. Assignment sates of control input and each state
OE
___
V
IH
V
IH
×
V
IH
V
IH
×
V
IL
V
PP
L
V
PP
L
V
PP
L
V
PP
H
V
PP
H
V
PP
H
V
PP
H
V
PP
Output
Floating
Floating
Output
Floating
Floating
Input
Data I/O
Note:
×
can be V
IL
or V
IH
.
State
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相關代理商/技術參數 |
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|---|---|
| M37753FFCHP | 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:SINGLE CHIP 16 BIT CMOS MICROCOMPUTER FLASH MEMORY VERSION |
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