1.3 DRIVE INTERFACES 1.4 FRONT PANEL 1.5 OUTPUTS 2 GPIO, IRQ, AND CHIP SELECT ASSIGNMENTS...
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P in data P IO 2[5] C P U_DATA[13] P IO 2[6] C P U_DATA[12] P IO 2[7] C P U_DATA[11] V DD3_3 C P U_DATA[10] V S S C P U_DATA[9] P IO 3[0] C P U_DATA[8] P IO 3[1] V S S P IO 3[2] V DD2_5...
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PIO Port Bit Pin # STi5519 Alternate Function CineMaster CE Function Port 0 Bit 0 SC0_DATA #SOFT_RESET Port 0 Bit 1 #ATAPI_RD #ATAPI_RD Port 0 Bit 2 #ATAPI_WR #ATAPI_WR Port 0 Bit 3 SC0_CLK DAC_CCLK (Audio DAC control) Port 0 Bit 4 SC0_RST DAC_CDTI (Audio DAC control) Port 0 Bit 5...
3. A UDIO UTPUT The STi5519 supports a six channel analog output. In a system configuration with six analog outputs, the front left and right channels can be configured to provide the stereo (2 channel) outputs and Dolby Surround, or the left and right front channels for a 5.1 channel surround system.
PLL C UDIO AMPLING ATE AND XTERNAL OMPONENT ONFIGURATION The decoder board has optional PLLs, which can be installed to provide the audio clock for the system. The initial version of the STi5505 was not able to provide an audio clock for 96kHz support and an external PLL was used to support this. This was fixed in the STi5505 later chip revisions and therefore no problems are expected in the STi5519.
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· The current in the primary side of the transformer TR3 comes to the SMPS IC (IC3 TOP223Y). The SMPS IC has a three-pin TO-220 case and a cooler is mounted on it. It has a built-in oscillator, overcurrent and overvoltage protection circuitry and runs at 100kHz. It starts with the current from the primary side of the transformer and follows the current from the feedback winding.
13.2 FRONT PANEL: · All the functions on the front panel are controlled by U1 (Sti5519) on the mainboard. · U1 sends the commands to IC2 uPD16311 via socket PL1 (pins 3,4 and 5). · There are 16 keys scanning function, 2 LED outputs, 1 Stand-by output and VFD drivers on IC2. ·...
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