r8a77850anbg Renesas Electronics Corporation., r8a77850anbg Datasheet - Page 1294

• Manufacturer Part Number: r8a77850anbg
• Description: Renesas 32-bit Risc Microcomputer Superh? Risc Engine Family
• Manufacturer: Renesas Electronics Corporation.

25. Audio Codec Interface (HAC)
Figure 25.1 shows a block diagram of the HAC.
Rev.1.00 Jan. 10, 2008 Page 1264 of 1658
REJ09B0261-0100
HACn_BITCLK
HACn_SDOUT
HACn_SYNC
Note: n = 0 to 1
HACn_SDIN
HACn_RES
Request signal
for slots 3 and 4
Shift register for slot 1
Shift register for slot 2
Shift register for slot 3
Shift register for slot 4
Shift register for slot 1
Shift register for slot 2
Shift register for slot 3
Shift register for slot 4
HAC transmitter
HAC receiver
Figure 25.1 Block Diagram
Bit control signal
Control signal
Control signal
Data[19:0]
Data[19:0]
Data[19:0]
Data[19:0]
Data[19:0]
Data[19:0]
Data[19:0]
Data[19:0]
Internal bus interface (Transmission)
Internal bus interface (Reception)
CSDR RX buffer
PCMR RX buffer
CSAR RX buffer
PCML RX buffer
CSDR TX buffer
PCMR TX buffer
CSAR TX buffer
PCML TX buffer
DMA control
DMA control
Interrupt request
Interrupt request
DMA request
DMA request
Data[31:0]
Data[31:0]