DF2338VFC25V Renesas Electronics America, DF2338VFC25V Datasheet - Page 780
![IC H8S/2300 MCU FLASH 144QFP](/photos/12/22/122201/df2338vfc25v_sml.jpg)
DF2338VFC25V
Manufacturer Part Number
DF2338VFC25V
Description
IC H8S/2300 MCU FLASH 144QFP
Manufacturer
Renesas Electronics America
Series
H8® H8S/2300r
Datasheets
1.HEWH8E10A.pdf
(19 pages)
2.D12312SVTE25V.pdf
(341 pages)
3.DF2338VFC25V.pdf
(1246 pages)
Specifications of DF2338VFC25V
Core Processor
H8S/2000
Core Size
16-Bit
Speed
25MHz
Connectivity
SCI, SmartCard
Peripherals
DMA, POR, PWM, WDT
Number Of I /o
106
Program Memory Size
256KB (256K x 8)
Program Memory Type
FLASH
Ram Size
8K x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 3.6 V
Data Converters
A/D 12x10b; D/A 4x8b
Oscillator Type
Internal
Operating Temperature
-20°C ~ 75°C
Package / Case
144-QFP
For Use With
EDK2329 - DEV EVALUATION KIT H8S/2329
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
DF2338VFC25V
Manufacturer:
Renesas Electronics America
Quantity:
10 000
- Current page: 780 of 1246
- Download datasheet (7Mb)
19.5
19.5.1
FLMCR1 is an 8-bit register used for flash memory operating mode control. Program-verify mode
or erase-verify mode is entered by setting SWE to 1, then setting the EV or PV bit. Program mode
is entered by setting SWE to 1, then setting the PSU bit, and finally setting the P bit. Erase mode is
entered by setting SWE to 1, then setting the ESU bit, and finally setting the E bit. FLMCR1 is
initialized to H'80 by a reset, and in hardware standby mode and software standby mode. When
on-chip flash memory is disabled, a read will return H'00, and writes are invalid.
Writing to bits ESU, PSU, EV, and PV in FLMCR1 is enabled only when SWE = 1; writing to the
E bit is enabled only when SWE = 1, and ESU = 1; and writing to the P bit is enabled only when
SWE = 1, and PSU = 1.
Bit 7—Flash Write Enable Bit (FWE): Sets hardware protection against flash memory
programming/erasing. These bits cannot be modified and are always read as 1 in this model.
Bit 6—Software Write Enable Bit (SWE): Enables or disables flash memory programming and
erasing. This bit should be set when setting FLMCR1 bits 5 to 0, EBR1 bits 7 to 0, and EBR2 bits
5 to 0.
When SWE = 1, the flash memory can only be read in program-verify or erase-verify mode.
Bit 6
SWE
0
1
Rev.4.00 Sep. 07, 2007 Page 748 of 1210
REJ09B0245-0400
Bit
Initial value :
R/W
Register Descriptions
Flash Memory Control Register 1 (FLMCR1)
Description
Writes disabled
Writes enabled
:
:
FWE
R
7
1
SWE
R/W
6
0
ESU
R/W
5
0
PSU
R/W
4
0
R/W
EV
0
3
R/W
PV
2
0
R/W
E
1
0
(Initial value)
R/W
P
0
0
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