HD64F3048VTF8 Renesas Electronics America, HD64F3048VTF8 Datasheet - Page 840

• Manufacturer Part Number: HD64F3048VTF8
• Description: IC H8 MCU FLASH 128K 100-QFP
• Manufacturer: Renesas Electronics America
• Series: H8® H8/300Hr

Specifications of HD64F3048VTF8

• 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): 2.7 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: Contains lead / RoHS non-compliant
• Eeprom Size: -
• Other names: HD64F3048VX8

Appendix B Internal I/O Register
RFSHCR—Refresh Control Register
Rev. 7.00 Sep 21, 2005 page 814 of 878
REJ09B0259-0700
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
0
1
PSRAME
Strobe mode select
0 2
1 2
R/W
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/WE
R/W
4
0
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