D12321VF25V Renesas Electronics America, D12321VF25V Datasheet - Page 782
D12321VF25V
Manufacturer Part Number
D12321VF25V
Description
IC H8S/2300 MCU ROMLESS 128QFP
Manufacturer
Renesas Electronics America
Series
H8® H8S/2300r
Datasheets
1.HEWH8E10A.pdf
(19 pages)
2.D12312SVTE25V.pdf
(341 pages)
3.D12322RVF25V.pdf
(1304 pages)
Specifications of D12321VF25V
Core Processor
H8S/2000
Core Size
16-Bit
Speed
25MHz
Connectivity
SCI, SmartCard
Peripherals
POR, PWM, WDT
Number Of I /o
86
Program Memory Type
ROMless
Ram Size
4K x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 3.6 V
Data Converters
A/D 8x10b; D/A 2x8b
Oscillator Type
Internal
Operating Temperature
-20°C ~ 75°C
Package / Case
128-QFP
For Use With
EDK2329 - DEV EVALUATION KIT H8S/2329
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Program Memory Size
-
Available stocks
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D12321VF25V
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D12321VF25V
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Section 19 ROM
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 bits 5 to 0 in FLMCR1, 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.6.00 Sep. 27, 2007 Page 750 of 1268
REJ09B0220-0600
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
3
0
R/W
PV
2
0
R/W
E
1
0
(Initial value)
R/W
P
0
0
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