M30621ECGP MITSUBISHI [Mitsubishi Electric Semiconductor], M30621ECGP Datasheet - Page 214
M30621ECGP
Manufacturer Part Number
M30621ECGP
Description
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
Manufacturer
MITSUBISHI [Mitsubishi Electric Semiconductor]
Datasheet
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Appendix Standard Serial I/O Mode
214
Figure 1.25.3. Timing for reading the status register
Figure 1.25.2. Timing for page read
Page Read Command
Read Status Register Command
This command reads the specified page (256 bytes) in the flash memory sequentially one byte at a
time. Execute the page read command as explained here following.
This command reads status information. When the “70
transmission, the contents of the status register (SRD) specified in the 2nd byte of the transmission
and the contents of status register 1 (SRD1) specified in the 3rd byte of the transmission are read.
(1) Send the “FF
(2) Send addresses A
(3) From the 4th byte onward, data (D
(M16C reception data)
(M16C transmit data)
tively.
A
23
will be output sequentially from the smallest address first in sync with the rise of the clock.
RTS1(BUSY)
(M16C reception data)
CLK1
16
RxD1
TxD1
(M16C transmit data)
” command code in the 1st byte of the transmission.
8
to A
RTS1(BUSY)
15
FF
and A
CLK1
RxD1
TxD1
16
16
0
A
–D
A
8
to A
15
to
7
) for the page (256 bytes) specified with addresses A
23
70
16
in the 2nd and 3rd bytes of the transmission respec-
A
A
16
23
to
output
SRD
16
” command code is sent in the 1st byte of the
data0
SRD1
output
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
data255
M16C / 62 Group (80-pin)
Mitsubishi microcomputers
8
to
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