參數(shù)資料
型號(hào)： M34280M1-XXXGP
元件分類： 微控制器/微處理器
英文描述： 4-BIT, MROM, MICROCONTROLLER, PDSO20
封裝： 0.225 INCH, 0.65 MM PITCH, PLASTIC, SSOP-20
文件頁(yè)數(shù)： 31/47頁(yè)
文件大?。?/td> 508K
代理商： M34280M1-XXXGP
MITSUBISHI
ELECTRIC
42
MITSUBISHI MICROCOMPUTERS
4280 Group
SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER for INFRARED REMOTE CONTROL TRANSMITTERS
Fig. 30 Timing at program verifying
and pull the PGM pin to “L.” When this is done, the program
data is programmed to the specified address.
(4) Program
Input command code 2516 in the first transfer. Proceed and
input the low-order 8 bits and high-order 8 bits of the address
and the low-order 8 bits and high-order 8 bits of program data,
Fig. 29 Timing at programming
(5) Program verify
Input command code 3516 in the first transfer. Proceed and
input the low-order 8 bits and high-order 8 bits of the address
and the low-order 8 bits and high-order 8 bits of program data,
and pull the PGM pin to “L.” When this is done, the program
data is programmed to the specified address. Then, when the
PGM pin is pulled to “L” again after it is released back to “H,”
the address programmed with the program command is read
and verified and stored into the internal data latch. When the
PGM pin is released back to “H” and serial clock is input to the
SCLK pin, the verify data that has been stored into the data
latch is serially output from the SDA pin.
Note: When outputting the verify data, the SDA pin is switched for output at the first falling of the serial clock. The SDA pin is
placed in the high-impedance state during the th(C–E) period after the last rising edge of the serial clock (at the 16th bit).
10 1 0 0 1 0 0
A0
A7
SCLK
SDA
PGM
tCH
D0
D7
tCP
tWP
tCH
D8
tCH
0 0 00 00 0
tCH
A8 A9
00 00 0 0
Command code
input (2516)
Program address
input (L)
Program address
input (H)
Program data
input (L)
Program data
input (H)
Program
1 010 1 1 00
A0
A7
SCLK
SDA
PGM
tCH
D0
D7
tCP
tWP
tCH
D8
tCH
0 0 00 00 0
tCH
A8 A9
00 00 0 0
tCR
tRC
SCLK
SDA
PGM
tWR
D0
D7
D8
tCH
00 00 00 0
Command code
input (3516)
Program address
input (L)
Program address
input (H)
Program data
input (L)
Program data
input (H)
Program
Verify data output (L) Verify data output (H)
Verify
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