GMS30C7201 Datasheet, PDF (221/352 Pages) Hynix Semiconductor – 60MHz operation frequency Low power consumption

Fast AMBA Peripherals
12.11 Sound Interface
The Sound Control Unit (SOC) is an interface block to transfer sound data to external speakers.
It possesses the following features:
• sound playback
• supports programmable sampling rate
• 32-bit internal data register for DMA
• auto DMA request
• 8-bit resolution DAC control
• supports non-overlapping left/right signal for DAC
• supports test mode
APB
Interface
PD
PA
PSEL
PSTB
PWRITE
BnRES
PSELDMA
CHAN[1:0]
DM
DRQ
Interrupt
Controller
INT
SDADR[31:0]
DataBuf[15:0]
Test data
SD[7:0]
SCLK
Request
reset
DMA
Interface
Test
Mode Control _Ticdac
mode
Direction
Control
DLEFT
DRIGHT
IOSTOP
low high
DAPulse
Clock
Generator
DAC
TIC CLK
Register
CPG
PCLK (3.6864MHz)
Figure 12-32: Sound control unit module block diagram
GMS30C7201 Data Sheet
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