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SNC82085 Fiches technique(PDF) 6 Page - SONiX Technology Company |
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SNC82085 Fiches technique(HTML) 6 Page - SONiX Technology Company |
6 / 13 page SNC82085 12-Channel MIDI/Speech Controller Ver: 1.5 Sep. 8, 2006 6 5.2. ROM SNC82085 contains a substantial 256K x 12-bit word internal ROM which is shared by program and resource data. Program, voice, melodies, data, and instrument waveforms are shared within this same 184K words ROM. 5.3. RAM SNC82085 contains 384 bytes RAM (384 x 8-bits). The 384 byte RAM is divided into three pages (page0, 1 and 4, 128 bytes RAM for each page). The RAMBK register is used to switch to a specific RAM page. For example, declaring Org 0x250 UseMem ds 1 would locate one byte memory for “UseMem” at BANK 4. Setting ‘RAMbk = 4’in a program would switch to bank 4 of RAM. 0x027F 0x0000 0x0100 0x00FF : : 0x007F 0x0080 : : : 0x017F 0x0180 No Used 0x01FF : : 0x0200 : : Free for User No Used Reserved for System 0x00C0 Free for User Notice: (C0~FFh) and (200~27Fh) Bank4 is free for user. 5.4. Power Down Mode Entering the IC into Stop Mode will stop the system clock for power savings (<3uA @VDD=3V and <6uA @VDD=4.5V). Any transition (L H or HL) on any I/O pin or RTC (Real-time clock) can be used to start the system clock and return to normal operating mode. |
Numéro de pièce similaire - SNC82085 |
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Description similaire - SNC82085 |
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