R8A77800ANBGAV Renesas Electronics America, R8A77800ANBGAV Datasheet - Page 915

• Manufacturer Part Number: R8A77800ANBGAV
• Description: IC SUPERH MPU ROMLESS 449-BGA
• Manufacturer: Renesas Electronics America
• Series: SuperH® SH7780r

Specifications of R8A77800ANBGAV

• Core Processor: SH-4A
• Core Size: 32-Bit
• Speed: 400MHz
• Connectivity: Audio Codec, MMC, Serial Sound, SCI, SIO, SPI, SSI
• Peripherals: DMA, POR, WDT
• Number Of I /o: 75
• Program Memory Type: ROMless
• Ram Size: 16K x 8
• Voltage - Supply (vcc/vdd): 1.15 V ~ 1.35 V
• Oscillator Type: External
• Operating Temperature: -20°C ~ 75°C
• Package / Case: 449-BGA
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Program Memory Size: -
• Data Converters: -

6. Disable the module until it is required again.
In some applications, an undefined amount of data will received from an external HSPI device. If
this is the case, follow the following procedure:
1. Set up the module for the required HSPI transfer characteristics (master/slave, clock polarity
2. Fill the transmit FIFO with the data to transmit. Enable the receive FIFO not empty interrupt.
3. Respond to the receive FIFO not empty interrupt and read data from the receive FIFO until it is
4. Disable the module when the transfer is to stop.
23.4.4
The following diagrams explain the timing relationship of all shift and sample processes in the
HSPI. Figure 23.3 shows the conditions when FBS = 0, while figure 23.4 shows the conditions
when FBS = 1. It can be seen that if CLKP in SPCR is 0 then transmit data is shifted on the falling
edge of HSPI_CLK and receive data is sampled on the rising edge. The opposite is true when
CLKP = 1.
etc.) and enable FIFO mode.
empty. Write more data to the transmit FIFO if required.
Timing Diagrams
sck_cycle
HSPI_CLK (CLKP = 0)
HSPI_CLK (CLKP = 1)
HSPI_TX
HSPI_RX
HSPI_CS
Figure 23.3 Timing Conditions when FBS = 0
MSB
MSB
1
2
6
6
3
5
5
4
4
4
5
3
3
Section 23 Serial Protocol Interface (HSPI)
Rev.1.00 Dec. 13, 2005 Page 863 of 1286
6
2
2
7
1
1
LSB
LSB
8
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REJ09B0158-0100