HD64F3048BF25 Renesas Electronics America, HD64F3048BF25 Datasheet - Page 834

• 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: -

Appendix B Internal I/O Register
RFSHCR—Refresh Control Register
Rev. 3.00 Sep 27, 2006 page 806 of 872
REJ09B0325-0300
Bit
Initial value
Read/Write
Self-refresh mode
0 DRAM or PSRAM self-refresh is disabled in software standby mode
1 DRAM or PSRAM self-refresh is enabled in software standby mode
SRFMD
R/W
7
0
PSRAM enable, DRAM enable
PSRAME DRAME
Bit 6
PSRAME
0
1
Strobe mode select
R/W
0 2
1 2
6
0
Address multiplex mode select
WE
CAS
0 8-bit column mode
1 9-bit column mode
Bit 5
0
1
0
1
DRAME
mode
R/W
mode
5
0
Refresh pin enable
0
1
RAM Interface
Can be used as an interval timer
(DRAM and PSRAM cannot be
directly connected)
DRAM can be directly connected
PSRAM can be directly connected
Illegal setting
Refresh signal output at the
Refresh signal output at the
CAS/
R/W
4
0
WE
Refresh cycle enable
0 Refresh cycles are disabled
1 Refresh cycles are enabled for area 3
M9/M8
R/W
3
0
H'AC
RFSHE
R/W
2
0
RFSH
RFSH
Refresh controller
pin is disabled
pin is enabled
1
1
RCYCE
R/W
0
0