參數(shù)資料
型號(hào)： M38867H8A-AO1HP
廠商： Mitsubishi Electric Corporation
英文描述： LJT 5C 5#16 PIN RECP
中文描述： 單芯片8位CMOS微機(jī)
文件頁(yè)數(shù)： 77/110頁(yè)
文件大?。?/td> 1601K
代理商： M38867H8A-AO1HP
77
3886 Group
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
MITSUBISHI MICROCOMPUTERS
G
Program command
Input command code 40
16
in the first transfer. Proceed and input
the low-order 8 bits and the high-order 8 bits of the address and
then program data. Programming is initiated at the last rising edge
of the serial clock during program data transfer. The BUSY pin is
driven high during program operation. Programming is completed
within 10
μ
s as measured by the internal timer, and the BUSY pin
is pulled low.
Note :
A programming operation is not completed by executing the
program command once. Always be sure to execute a pro-
gram verify command after executing the program command.
When the failure is found in the verification, the user must re-
peatedly execute the program command until the pass in the
verification. Refer to Figure 71 for the programming flowchart.
G
Program verify command
Input command code C0
16
in the first transfer. Proceed and drive
the OE pin low. When this is done, The M38869FFAHP/GP verify-
reads the programmed address’s contents, and then latchs it into
the internal data latch. When the OE pin is released back high and
serial clock is input to the SCLK pin, the verify data that has been
latched into the data latch is serially output from the SDA pin.
Fig. 75 Timings during program verify
Fig. 74 Timings during programming
SCLK
BUSY
OE
SDA
t
CH
A
0
0 0 0 0 0 0 1 0
Command code input (40
16
)
A
7
A
8
A
15
D
0
D
7
t
CH
t
CH
t
PC
Program address input (L)
Program address input (H)
Program data input
t
WP
Program
SCLK
BUSY
OE
SDA
D
0
D
7
t
CRPV
Command code input (C0
16
)
Verify data output
t
WR
Verify read
t
RC
Note:
When outputting the verify data, the SDA pin is switched for output at the first falling edge of SCLK. The SDA pin is placed
in the floating state during the period of th
(C-E)
after the last rising edge of SCLK (at the 8th bit).
0 0 0 0 0 0 1 1
“L”
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