h8s-2138 Renesas Electronics Corporation., h8s-2138 Datasheet - Page 643
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h8s-2138
Manufacturer Part Number
h8s-2138
Description
Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2100 Series
Manufacturer
Renesas Electronics Corporation.
Datasheet
1.H8S-2138.pdf
(1061 pages)
- Current page: 643 of 1061
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Bit 0—Program (P): Selects program mode transition or clearing. Do not set the SWE, PSU,
ESU, EV, PV, or E bit at the same time.
21.5.2
FLMCR2 is an 8-bit register that monitors the presence or absence of flash memory program/erase
protection (error protection) and performs setup for flash memory program/erase mode. FLMCR2
is initialized to H'00 by a reset, and in hardware standby mode. The ESU and PSU bits are cleared
to 0 in software standby mode, subactive mode, subsleep mode, and watch mode.
When on-chip flash memory is disabled, a read will return H'00, and writes are invalid.
Bit 7—Flash Memory Error (FLER): Indicates that an error has occurred during an operation on
flash memory (programming or erasing). When FLER is set to 1, flash memory goes to the error-
protection state.
Bit 0
P
0
1
Bit
Initial value
Read/Write
Section 21 ROM
Flash Memory Control Register 2 (FLMCR2)
Description
Program mode cleared
Transition to program mode
[Setting condition]
When SWE = 1, and PSU = 1
FLER
R
7
0
(Mask ROM Version, H8S/2138 F-ZTAT, H8S/2134 F-ZTAT, and H8S/2132 F-ZTAT)
—
—
6
0
—
—
5
0
—
—
4
0
Rev. 4.00 Jun 06, 2006 page 589 of 1004
—
—
3
0
—
—
2
0
REJ09B0301-0400
ESU
R/W
1
0
(Initial value)
PSU
R/W
0
0
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