R8A77800ANBGAV Renesas Electronics America, R8A77800ANBGAV Datasheet - Page 892

• 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: -

Section 22 Serial I/O with FIFO (SIOF)
Transmission in Slave Mode: Figure 22.11 shows an example of settings and operation for slave
mode transmission.
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Transmit SITDR from SIOF_TXD
synchronously with SIOF_SYNC
Clear the TXE bit in SICTR to 0
SICDAR, SITCR, and SIFCTR
Set SIMDR, SISCR, SITDAR,
Set the TXE bit in SICTR to 1
Figure 22.11 Example of Transmit Operation in Slave Mode
TDREQ = 1?
Flow Chart
Set SITDR
Transfer
ended?
Start
End
Yes
Yes
No
No
Set operating mode, serial clock,
slot positions for transmit data,
slot position for control data,
control data, and FIFO request
threshold value
Set to enable transmission
Set transmit data
Set to disable transmission
SIOF Settings
Issue transmit transfer request
to enable transmission when
frame synchronous signal is
input
Transmit
End transmission
SIOF Operation