參數(shù)資料
型號(hào): STSAM9708
廠商: Atmel Corp.
英文描述: Sound Synthesis
中文描述: 聲音合成
文件頁數(shù): 24/30頁
文件大小: 373K
代理商: STSAM9708
24
ATSAM9708
1772D–DRMSD–01/04
Audio Routing
Each PDSP can process eight digital audio inputs and generate eight digital audio out-
puts for a total of 16 digital audio-in and 16 digital audio-out.
The eight outputs from DSP#2 can be individually routed on DSP#1 inputs.
Figure 19.
Audio Routing
MIDI Routing
The default configuration assigns MIDI1_IN/MIDI1_OUT to PDSP#1 and
MIDI2_IN/MIDI2_OUT to PDSP#2.
Alternatively, MIDI1_IN can be routed as the same MIDI input to both PDSPs. In this
case, the MIDI2_IN is available as a general-purpose input.
Also, if the MIDI2_OUT is not necessary, it can be defined as a general-purpose output.
General-purpose
Input/Output Routing
MIDI2_IN, MIDI2_OUT, SD_IN[7, 6, 5, 3, 2, 1, 0] and SD_OUT[7:1] pins can be individ-
ually routed as general-purpose inputs or outputs as identified in Table 17.
PDSP#1
PDSP#2
SD_IN[7:4]
SD_IN[3:0]
SD_OUT[3:0]
SD_OUT[7:4]
Table 17.
General-purpose Input/Output Routing
GPIO
Pin
GPIO_OUT[0] DSP#1
MIDI2_OUT
GPIO_OUT[1] DSP#1
SD_OUT[1]
GPIO_OUT[2] DSP#1
SD_OUT[2]
GPIO_OUT[3] DSP#1
SD_OUT[3]
GPIO_OUT[4] DSP#1
SD_IN[0]
GPIO_OUT[5] DSP#1
SD_IN[1]
GPIO_OUT[6] DSP#1
SD_IN[2]
GPIO_OUT[7] DSP#1
SD_IN[3]
GPIO_OUT[0] DSP#2
SD_OUT[4]
GPIO_OUT[1] DSP#2
SD_OUT[5]
GPIO_OUT[2] DSP#2
SD_OUT[6]
GPIO_OUT[3] DSP#2
SD_OUT[7]
GPIO_OUT[4] DSP#2
MIDI2_IN
GPIO_OUT[5] DSP#2
SD_IN[5]
GPIO_OUT[6] DSP#2
SD_IN[6]
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