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參數(shù)資料
| 型號： | M37753FFCHP |
| 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(shù)： | 17/67頁 |
| 文件大?。?/td> | 525K |
| 代理商： | M37753FFCHP |
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17
MITSUBISHI MICROCOMPUTERS
M37753FFCFP
M37753FFCHP
PRELIMINARY
Notice: This is not a final specification.
Some parametric limits are subject to change.
SHINGLE-CHIP 16-BIT CMOS MICROCOMPUTER FLASH MEMORY VERSION
Read-only mode
The microcomputer enters the read-only mode by applying V
PP
L to
the V
PP
pin. In this mode, the user can input the address of a
memory location to be read and the control signals at the timing
shown in Figure 8, and the M37753FFCFP and the M37753FFCHP
will output the contents of the user’s specified address from data I/O
pin to the external. In this mode, the user cannot perform any opera-
tion other than read.
Fig. 8 Read timing
Read/Write mode
The microcomputer enters the read/write mode by applying V
PP
H to
the V
PP
pin. In this mode, the user must first input a software com-
mand to choose the operation (e. g., read, program, or erase) to be
performed on the flash memory (this is called the first cycle), and
then input the information necessary for execution of the command
(e.g, address and data) and control signals (this is called the second
cycle). When this is done, the M37753FFCFP and the
M37753FFCHP execute the specified operation.
Table 3 shows the software commands and the input/output informa-
tion in the first and the second cycles. The input address is latched
internally at the falling edge of the WE input; software commands
___
The following explains each software command. Refer to Figures 9
to 11 for details about the signal input/output timings.
Table 3. Software command (Parallel input/output mode)
Symbol
Read
Program
Program verify
Erase
Erase verify
Reset
Device identification
Address input
×
×
×
×
Verify address
×
×
First cycle
Data input
00
16
40
16
C0
16
20
16
A0
16
FF
16
90
16
Address input
Read address
Program address
×
×
×
×
ADI
Second cycle
Data I/O
Read data (Output)
Program data (Input)
Verify data (Output)
20
16
(Input)
Verify data (Output)
FF
16
(Input)
DDI (Output)
Note:
ADI = Device identification address : manufacturer’s code 00000
16
, device code 00001
16
DDI = Device identification data : manufacturer’s code 1C
16
, device code D0
16
X can be V
IL
or V
IH
.
Address
Valid address
t
RC
t
a(CE)
t
WRR
t
DF
t
a(OE)
t
DH
t
OLZ
Floating
Floating
t
CLZ
t
a(AD)
V
IH
V
IL
V
IH
V
IL
V
IH
V
IL
V
IH
V
IL
V
OH
V
OL
CE
OE
WE
Data
Dout
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