HD64F3048BF25 Renesas Electronics America, HD64F3048BF25 Datasheet - Page 598

• Manufacturer Part Number: HD64F3048BF25
• Description: IC H8 MCU FLASH 128K 100QFP
• Manufacturer: Renesas Electronics America
• Series: H8® H8/300Hr

Specifications of HD64F3048BF25

• Core Processor: H8/300H
• Core Size: 16-Bit
• Speed: 8MHz
• 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): 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-QFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-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