R8A77850ADBGV#RD0Z Renesas Electronics America, R8A77850ADBGV#RD0Z Datasheet - Page 1201
R8A77850ADBGV#RD0Z
Manufacturer Part Number
R8A77850ADBGV#RD0Z
Description
IC SUPERH MPU ROMLESS 436-BGA
Manufacturer
Renesas Electronics America
Series
SuperH® SH7780r
Datasheet
1.R8A77850AADBGV.pdf
(1694 pages)
Specifications of R8A77850ADBGV#RD0Z
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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Part Number
Manufacturer
Quantity
Price
Part Number:
R8A77850ADBGV#RD0ZR8A77850ADBGV
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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23.4.4
If any of the control bits, except for SPCR and the interrupt and chip select value bits of SPSCR,
are changed, then the HSPI software reset is generated. The receive and transmit FIFO pointers
can be initialized by the HSPI software reset. The data transmission after the HSPI software reset
should conform to transmitting and receiving protocol of HSPI and be performed from the
beginning; otherwise, correct operation is not guaranteed.
When asserting the HSPI_CS except when the master device is transferring data with the HSPI in
slave mode, set CSA again after a software reset. This prevents the HSPI from receiving erroneous
data.
23.4.5
SPCR also allows the user to define the shift timing for transmit data and polarity. The FBS bit in
SPCR allows selection between two different transfer formats. When CSA of SPSR is 0, the MSB
or LSB is valid at the falling edge of HSPI_CS. The CLKP bit in SPCR allows for control of the
polarity select block, shown in figure 23.1, which selects the edge of HSPI_CLK on which data is
shifted and sampled in the master and slave.
23.4.6
The master and slave can be considered linked together as a circular shift register synchronized
with HSPI_CLK. The transmit byte from the master is replaced with the receive byte from the
slave in eight HSPI_CLK cycles. Both the transmit and receive functions are double buffered to
allow for continuous reads and writes. When FIFO mode is enabled, 8-entry FIFOs are available
for both transmit and receive data.
HSPI Software Reset
Clock Polarity and Transmit Control
Transmit and Receive Routines
Rev.1.00 Jan. 10, 2008 Page 1169 of 1658
23. Serial Peripheral Interface (HSPI)
REJ09B0261-0100
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