HD64F2318VTE25 Renesas Electronics America, HD64F2318VTE25 Datasheet - Page 615
![IC H8S MCU FLASH 256K 100-QFP](/photos/12/40/124081/hd64f2318vte25_sml.jpg)
HD64F2318VTE25
Manufacturer Part Number
HD64F2318VTE25
Description
IC H8S MCU FLASH 256K 100-QFP
Manufacturer
Renesas Electronics America
Series
H8® H8S/2300r
Specifications of HD64F2318VTE25
Core Processor
H8S/2000
Core Size
16-Bit
Speed
25MHz
Connectivity
SCI, SmartCard
Peripherals
POR, PWM, WDT
Number Of I /o
71
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 8x10b; D/A 2x8b
Oscillator Type
Internal
Operating Temperature
-20°C ~ 75°C
Package / Case
100-TQFP, 100-VQFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
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17.5
17.5.1
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 when FWE = 1, then setting the EV or PV bit.
Program mode is entered by setting SWE to 1 when FWE = 1, then setting the PSU bit, and finally
setting the P bit. Erase mode is entered by setting SWE to 1 when FWE = 1, then setting the ESU
bit, and finally setting the E bit. FLMCR1 is initialized by a reset, and in hardware standby mode
and software standby mode. Its initial value is H'80 when a high level is input to the FWE pin, and
H'00 when a low level is input. When on-chip flash memory is disabled, a read will return H'00,
and writes are invalid.
Writes to the SWE bit in FLMCR1 are enabled only when FWE = 1; writes to bits ESU, PSU, EV,
and PV only when FWE = 1 and SWE = 1; writes to the E bit only when FWE = 1, SWE = 1, and
ESU = 1; and writes to the P bit only when FWE = 1, SWE = 1, and PSU = 1.
Bit 7—Flash Write Enable Bit (FWE): Sets hardware protection against flash memory
programming/erasing.
Bit 7
FWE
0
1
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
3 to 0 * .
When SWE = 1, the flash memory can only be read in program-verify or erase-verify mode.
Note: * EBR2 bits 5 to 0 should be set in the H8S/2315 F-ZTAT and H8S/2314 F-ZTAT.
Bit
Initial value :
R/W
Bits 1 and 0 should be set in the H8S/2317 F-ZTAT.
Register Descriptions
Flash Memory Control Register 1 (FLMCR1)
Description
When a low level is input to the FWE pin (hardware-protected state)
When a high level is input to the FWE pin
:
:
FWE
1/0
R
7
SWE
R/W
6
0
ESU
R/W
5
0
PSU
R/W
4
0
Rev.7.00 Feb. 14, 2007 page 581 of 1108
R/W
EV
3
0
R/W
PV
2
0
REJ09B0089-0700
Section 17 ROM
R/W
E
1
0
R/W
P
0
0
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