USBB17AP77016-XXX-B11 NEC Electronics, USBB17AP77016-XXX-B11 Datasheet - Page 68

• Manufacturer Part Number: USBB17AP77016-XXX-B11
• Description: DSP middleware(WMA (Windows Media Audio)decoder)
• Manufacturer: NEC Electronics

A.3.3
appropriate cycle in accordance with the input data sampling frequency. This file is described under the assumption
that 2-channel data is always output.
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;;----------------------------------------------------------------------;;
;;
;;----------------------------------------------------------------------;;
LOCAL TM_pico_sec
LOCAL fs
LOCAL retern_addr
;;----------------------------------------------------------------------;;
;;
;;----------------------------------------------------------------------;;
wait cond reg ip == ((MAIN.serout_start) & 0xffff)
;;----------------------------------------------------------------------;;
;;
;;----------------------------------------------------------------------;;
set fs = *sample_rate:x & 0xffff
set TM_pico_sec = TIME_RESOLUTION / 16 / fs / 2
;;----------------------------------------------------------------------;;
;;
;;----------------------------------------------------------------------;;
do
enddo
This timing file creates the clock signals used to generate the serial output interrupt. Create clock signals with an
wait (TM_pico_sec/2) ps
set pin sck1 = 0
set pin sck2 = 0
wait (TM_pico_sec/2) ps
set pin sck1 = 1
set pin sck2 = 1
clk_for_2ch.tmg
Declare Variables
Wait
Set Sampling Frequency and TM_pico_sec
Generate Clock for 2 ch
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APPENDIX A SAMPLE PROGRAM SOURCE
User’s Manual U15683EJ1V0UM
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; TIME_RESOLUTION = 10**12