DF3052BX25V Renesas Electronics America, DF3052BX25V Datasheet - Page 594

• Manufacturer Part Number: DF3052BX25V
• Description: MCU 5V 512K 100-TQFP
• Manufacturer: Renesas Electronics America
• Series: H8® H8/300Hr

Specifications of DF3052BX25V

• Core Processor: H8/300H
• Core Size: 16-Bit
• Speed: 25MHz
• Connectivity: SCI, SmartCard
• Peripherals: DMA, POR, PWM, WDT
• Number Of I /o: 70
• Program Memory Size: 512KB (512K x 8)
• Program Memory Type: FLASH
• Ram Size: 8K x 8
• Voltage - Supply (vcc/vdd): 4.5 V ~ 5.5 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: Lead free / RoHS Compliant
• Eeprom Size: -

Section 18 ROM
18.3
The flash memory is controlled by means of the pins shown in table 18.1.
Table 18.1 Pin Configuration
18.4
The registers *
Table 18.2 Register Configuration
Notes: 1. Access is prohibited to lower 16 address bits H'FF44 to H'FF46 and H'FF48 to H'FF4F.
Rev. 3.00 Mar 21, 2006 page 564 of 814
REJ09B0302-0300
Pin Name
Reset
Flash write enable
Mode 2
Mode 1
Mode 0
Transmit data
Receive data
Register Name
Flash memory control register 1
Flash memory control register 2
Erase block register 1
Erase block register 2
RAM control register
2. Lower 16 bits of the address.
3. If the chip is in a mode in which the on-chip flash memory is disabled, a read will return
4. When a high level is input to the FWE pin, the initial value is H'80.
5. When a low level is input to the FWE pin, or if a high level is input and the SWE1 bit in
6. FLMCR1, FLMCR2, EBR1, and EBR2, and RAMCR are 8-bit registers.
Register Configuration
Pin Configuration
H'00 and writes are invalid. Writes are also invalid when the FWE bit in FLMCR1 is not
set to 1.
FLMCR1 or SWE2 bit in FLMCR2 is not set, these registers are initialized to H'00.
Byte access must be used on these registers (do not use word or longword access).
1
used to control the on-chip flash memory when enabled are shown in table 18.2.
Abbreviation
RES
FWE
MD2
MD1
MD0
TxD1
RxD1
Abbreviation
FLMCR1 *
FLMCR2 *
EBR1 *
EBR2 *
RAMCR *
I/O
Input
Input
Input
Input
Input
Output
Input
6
6
6
6
6
Function
Reset
Flash program/erase protection by hardware
Sets LSI operating mode
Sets LSI operating mode
Sets LSI operating mode
Serial transmit data output
Serial receive data input
R/W
R/W *
R/W *
R/W *
R/W *
R/W
3
3
3
3
Initial Value
H'00 *
H'00
H'00 *
H'00 *
H'F0
4
5
5
Address *
H'FF40
H'FF41
H'FF42
H'FF43
H'FF47
2