DF3048BVX25WV Renesas Electronics America, DF3048BVX25WV Datasheet - Page 598

• Manufacturer Part Number: DF3048BVX25WV
• Description: MCU 3/5V 128K PB-FREE 100-TQFP
• Manufacturer: Renesas Electronics America
• Series: H8® H8/300Hr

Specifications of DF3048BVX25WV

• Core Processor: H8/300H
• Core Size: 16-Bit
• Speed: 25MHz
• Connectivity: SCI, SmartCard
• Peripherals: DMA, PWM, WDT
• Number Of I /o: 70
• Program Memory Size: 128KB (128K x 8)
• Program Memory Type: FLASH
• Ram Size: 4K x 8
• Voltage - Supply (vcc/vdd): 3 V ~ 3.6 V
• Data Converters: A/D 8x10b; D/A 2x8b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 100-TQFP, 100-VQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

Section 17 RAM
17.1.1
Figure 17.1 shows a block diagram of the on-chip RAM.
17.1.2
The on-chip RAM is controlled by SYSCR. Table 17.1 gives the address and initial value of
SYSCR.
Table 17.1 System Control Register
Address *
H'FFF2
Note:
Rev. 3.00 Sep 27, 2006 page 570 of 872
REJ09B0325-0300
Legend:
SYSCR: System control register
Note: * This example is of the operating in mode 7. The lower 20 bits of the address are shown.
* Lower 16 bits of the address.
Block Diagram
Register Configuration
Name
System control register
Even addresses
Figure 17.1 RAM Block Diagram
H'FFF0E *
H'FEF10 *
H'FEF12 *
Internal data bus (upper 8 bits)
Internal data bus (lower 8 bits)
On-chip RAM
Bus interface
Odd addresses
H'FEF11 *
H'FEF13 *
H'FFF0F *
Abbreviation
SYSCR
SYSCR
R/W
R/W
Initial Value
H'0B