HD6413007F20 Renesas Electronics America, HD6413007F20 Datasheet - Page 575

• Manufacturer Part Number: HD6413007F20
• Description: IC H8 MCU ROMLESS 5V 100QFP
• Manufacturer: Renesas Electronics America
• Series: H8® H8/300Hr

Specifications of HD6413007F20

• Core Processor: H8/300H
• Core Size: 16-Bit
• Speed: 20MHz
• Connectivity: SCI, SmartCard
• Peripherals: DMA, PWM, WDT
• Number Of I /o: 35
• Program Memory Type: ROMless
• 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-QFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -
• Program Memory Size: -

Bit 0⎯RAM Enable (RAME): Enables or disables the on-chip RAM. The RAME bit is
initialized at the rising edge of the input at the RES pin. It is not initialized in software standby
mode.
1
17.3
When the RAME bit is set to 1, the on-chip RAM is enabled. Accesses to addresses H'FEF20 to
H'FFF1F in the H8/3007 in modes 1 and 2, and to addresses H'FFEF20 to H'FFFF1F in the
H8/3007 in modes 3 and 4, are directed to the on-chip RAM. In the H8/3006, accesses to
addresses H'FF720 to H'FFF1F in modes 1 and 2, to addresses H'FFF720 to H'FFFF1F in modes 3
and 4, are directed to the on-chip RAM. In modes 1 to 4, when the RAME bit is cleared to 0, the
off-chip address space is accessed.
Since the on-chip RAM is connected to the CPU by an internal 16-bit data bus, it can be written
and read by word access. It can also be written and read by byte access. Byte data is accessed in
two states using the upper 8 bits of the data bus. Word data starting at an even address is accessed
in two states using all 16 bits of the data bus.
Bit 0
RAME
0
Operation
On-chip RAM is enabled
Description
On-chip RAM is disabled
Rev.5.00 Sep. 12, 2007 Page 545 of 764
REJ09B0396-0500
(Initial value)
17. RAM