R8A77850ADBGV Renesas Electronics America, R8A77850ADBGV Datasheet - Page 680
R8A77850ADBGV
Manufacturer Part Number
R8A77850ADBGV
Description
IC SUPERH MPU ROMLESS 436-BGA
Manufacturer
Renesas Electronics America
Series
SuperH® SH7780r
Datasheet
1.R8A77850AADBGV.pdf
(1694 pages)
Specifications of R8A77850ADBGV
Core Processor
SH-4A
Core Size
32-Bit
Speed
600MHz
Connectivity
Audio Codec, MMC, Serial Sound, SCI, SIO, SPI, SSI
Peripherals
DMA, POR, WDT
Number Of I /o
108
Program Memory Type
ROMless
Ram Size
8K x 8
Voltage - Supply (vcc/vdd)
1 V ~ 1.2 V
Oscillator Type
External
Operating Temperature
-40°C ~ 85°C
Package / Case
436-BGA
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Program Memory Size
-
Data Converters
-
Available stocks
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Company:
Part Number:
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13. PCI Controller (PCIC)
13.4.5
(1)
The PCI interface of this LSI supports a subset of the PCI version 2.2 and can be connected to a
device with a PCI bus interface.
According to the PCIC mode, host mode or normal mode, operation differs in two points: (1) the
PCIC unconditionally performs bus parking or not, and (2) the PCI bus arbitration function is
enabled or disabled.
In host mode, the PCIC drives the AD, C/BE, PAR signal lines when a transfer is not performed
on the PCI bus. When the PCIC subsequently starts a transfer as the master, the PCIC continues to
drive these signal lines until the address phase ends.
The REQ and GNT signals between PCIC and an arbiter in the PCIC are internally connected.
Here, pins REQ0/REQOUT, REQ1, REQ2, and REQ3 function as the REQ inputs from external
masters 0 to 3. Similarly, GNT0/GNTIN, GNT1, GNT2, and GNT3 function as the GNT outputs
to external masters 0 to 3. Arbitration for five masters including the PCIC can be performed.
(2)
The PCIC supports configuration mechanism #1. The PCI PIO address register (PCIPAR) and PCI
PIO data register (PCIPDR) correspond to the configuration address register and configuration
data register, respectively.
When PCIPAR is set and PCIPDR is read or written to, a configuration cycle is issued on the PCI
bus. For the type-0 transfer, bits 10 to 2 of the configuration address register are sent to the PCI
bus without translation and AD31 to AD11 are changed to be used as the IDSEL signal.
Rev.1.00 Jan. 10, 2008 Page 648 of 1658
REJ09B0261-0100
When the device number is set to 0, AD16 is driven to 1 and the other bits are made to be 0.
When the device number is set to 1, AD17 is driven to 1 and the other bits are made to be 0.
Similarly, setting the device number to 2 drives AD18 to 1 and setting the device number to 3
drives AD19 to 0.
When the device number is set to 16, AD31 is driven to 1 and the other bits are made to be 0.
Operation in Host Mode
Configuration Space Access
Host Mode
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