HD6417751RF240V Renesas Electronics America, HD6417751RF240V Datasheet - Page 968

• Manufacturer Part Number: HD6417751RF240V
• Description: MPU 1.5/3.3V 0K PB-FREE 256-QFP
• Manufacturer: Renesas Electronics America
• Series: SuperH® SH7750r

Specifications of HD6417751RF240V

• Core Processor: SH-4
• Core Size: 32-Bit
• Speed: 240MHz
• Connectivity: EBI/EMI, FIFO, SCI, SmartCard
• Peripherals: DMA, POR, WDT
• Number Of I /o: 39
• Program Memory Type: ROMless
• Ram Size: 48K x 8
• Voltage - Supply (vcc/vdd): 1.4 V ~ 1.6 V
• Oscillator Type: External
• Operating Temperature: -20°C ~ 75°C
• Package / Case: 256-QFP Exposed Pad, 256-eQFP, 256-HQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Program Memory Size: -
• Data Converters: -

22. PCI Controller (PCIC)
address used when a device on the PCI bus uses I/O transfer commands to access a local register
in the PCIC.
In the SH7751, the 12 higher-order bits (bits 31 to 8) are set; in the SH7751R, the 24 higher-order
bits are set. As the I/O space for the PCI bus, allocate 1 Mbyte of space for the SH7751 and 256
bytes of space for the SH7751R.
In the SH7751, bits 30 to 20 are writable, and bits 19 to 2 and 0 are fixed by the hardware.
In the SH7751R, bits 31 to 8 are writable, and bits 7 to 2 and 0 are fixed by the hardware.
The PCICONF4 register is initialized to H'00000001 at a power-on reset and software reset.
Always write to this register prior to executing I/O transfers (accessing the local registers in the
PCIC) to or from the PCIC from the PCI bus.
Bits 31 to 8—Base Address of the I/O Space (BASE 31 to 8): Sets the base address of the local
registers (I/O space) in the PCIC. In the SH7751, bits 19 to 8 are fixed to H'000 in hardware.
Bits 7 to 2—Base Address of the I/O Space (BASE 7 to 2): Fixed at H'00 in hardware.
Bit 1—Reserved: This bit always returns 0 when read. Always write 0 to this bit.
Bit 0—Address Space Indicator (ASI): Shows whether the base address specified by this
register is an I/O space or memory space.
Bit 0: ASI
0
1
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REJ09B0370-0400
Description
Memory space
I/O space
(Initial value)