m37516e6hp Renesas Electronics Corporation., m37516e6hp Datasheet - Page 68

• Manufacturer Part Number: m37516e6hp
• Description: Single-chip 8-bit Cmos Microcomputer
• Manufacturer: Renesas Electronics Corporation.

7516 Group
Fig. 68 Timing for clear status register
This command writes the specified page (256 bytes) in the flash
memory sequentially one byte at a time. Execute the page pro-
gram command as explained here following.
(1) Transfer the “41
(2) Transfer addresses A
Rev.1.01
This command clears the bits (SR4, SR5) which are set when the
status register operation ends in error. When the “50
code is sent with the 1st byte, the aforementioned bits are
cleared. When the clear status register operation ends, the S
(BUSY) signal changes from “H” to “L” level.
Fig. 69 Timing for page program
Page Program Command
Clear Status Register Command
2nd and 3rd bytes respectively.
Jul 01, 2003
S
R D Y 1
16
” command code with the 1st byte.
( B U S Y )
8
to A
S
page 66 of 89
R x D
T x D
C L K
15
and A
16
to A
S
4 1
RDY1
23
1 6
(“00
(BUSY)
16
16
A
S
” command
RxD
A
TxD
”) with the
8
CLK
1 5
t o
RDY1
A
A
1 6
2 3
t o
50
(3) From the 4th byte onward, as write data (D
When reception setup for the next 256 bytes ends, the S
(BUSY) signal changes from “H” to “L” level. The result of the
page program can be known by reading the status register. For
more information, see the section on the status register.
data0
16
page (256 bytes) specified with addresses A
sequentially from the smallest address first, that page is auto-
matically written.
d a t a 2 5 5
8
0
to A
to D
23
7
) for the
is input
RDY1