HD64F3067RF20 Renesas Electronics America, HD64F3067RF20 Datasheet - Page 161

• Manufacturer Part Number: HD64F3067RF20
• Description: IC H8 MCU FLASH 128K 100-QFP
• Manufacturer: Renesas Electronics America
• Series: H8® H8/300Hr

Specifications of HD64F3067RF20

• Core Processor: H8/300H
• Core Size: 16-Bit
• Speed: 20MHz
• 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
• Package: 100PQFP
• Family Name: H8
• Maximum Speed: 20 MHz
• Operating Supply Voltage: 5 V
• Data Bus Width: 16|32 Bit
• Number Of Programmable I/os: 70
• Interface Type: SCI
• On-chip Adc: 8-chx10-bit
• On-chip Dac: 2-chx8-bit
• Number Of Timers: 7
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -

Bit 0—Refresh Pin Enable (RFSHE): Enables or disables RFSH pin refresh signal output. If
areas 2 to 5 are not designated as DRAM space, this bit should not be set to 1.
Bit 0
RFSHE
0
1
6.2.8
DRCRB is an 8-bit readable/writable register that selects the number of address multiplex column
address bits for the DRAM interface, the column address strobe output pin, enabling or disabling
of refresh cycle insertion, the number of precharge cycles, enabling or disabling of wait state
insertion between RAS and CAS, and enabling or disabling of wait state insertion in refresh
cycles.
DRCRB is initialized to H'08 by a reset and in hardware standby mode. It is not initialized in
software standby mode.
The settings in this register are invalid when bits DRAS2 to DRAS0 in DRCRA are all 0.
Bit
Initial value
Read/Write
DRAM Control Register B (DRCRB)
MXC1
R/W
7
0
Description
RFSH pin refresh signal output disabled
(RFSH pin can be used as input/output port)
RFSH pin refresh signal output enabled
MXC0
R/W
6
0
CSEL
R/W
5
0
RCYCE
R/W
4
0
Rev. 4.00 Jan 26, 2006 page 137 of 938
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3
1
TPC
R/W
2
0
Section 6 Bus Controller
RCW
REJ09B0276-0400
R/W
1
0
(Initial value)
RLW
R/W
0
0