R8A77850AADBGV Renesas Electronics America, R8A77850AADBGV Datasheet - Page 684
R8A77850AADBGV
Manufacturer Part Number
R8A77850AADBGV
Description
IC SUPERH MCU 436-BGA
Manufacturer
Renesas Electronics America
Series
SuperH® SH7780r
Datasheet
1.R8A77850AADBGV.pdf
(1694 pages)
Specifications of R8A77850AADBGV
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
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
R8A77850AADBGV
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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13. PCI Controller (PCIC)
When the PCIC detects that the power state (PS) bit in PCIPMCSR changes (PS is written by an
external PCI device), it issues a power management interrupt. PCIPINT and PCIPINTM are used
to control the power management interrupts. As the power management interrupts, PCIPWD0 that
detects a transition from the power state D1/D2/D3 to D0, PCIPWD1 that detects a transition from
the power state D0 to D1, PCIPWD2 that detects a transition from the power state D0/D1 to D2,
and PCIPWD3 that detects a transition from the power state D0/D1/D2 to D3 are supported. An
interrupt mask can be set for each interrupt.
The power state D0 interrupt is not generated at a power-on reset.
When the PCIC operates in normal mode and accepts a power down interrupt from an external
host device, note the following:
With the PCI power management function, the PCI bus clock is stopped 16 clocks or more after
the host device directs a transition to the power state D3. Therefore, after detecting a power state
D3 interrupt, do not attempt to read or write to the PCIC internal local registers and configuration
registers that can be accessed both from the CPU and PCI bus, and PCI local bus accesses (I/O and
memory spaces). If the PCI bus clock stops during the access, the read/write cycle will not be
completed and hung up on the SuperHyway bus because these accesses operate with the PCI bus
clock
Rev.1.00 Jan. 10, 2008 Page 652 of 1658
REJ09B0261-0100
Figure 13.18 Power Down State Transitions on PCI Bus
(Nomal state)
(Bus idle)
D0
D1
(Clock stopped)
(Power-down)
D2
D3
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