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MTV112M データシート(PDF) 7 Page - List of Unclassifed Manufacturers |
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MTV112M データシート(HTML) 7 Page - List of Unclassifed Manufacturers |
7 / 20 page MYSON TECHNOLOGY MTV112M (Rev 2.0) Revision 2.0 - 7 - 2001/05/18 HCNTH/HCNTL latch. The 11-bit output value is {2/H-Freq} / {1/OSC-Freq}, updated once per VSYNC/CVSYNC period when VSYNC/CVSYNC is present or continuously updated when VSYNC/CVSYNC is not present. The 14-bit Vcounter counts the time between 2 VSYNC pulses, but only 9 upper bits are loaded into the VCNTH/VCNTL latch. The 9-bit output value is {1/V-Freq} / {512/OSC-Freq}, updated every VSYNC/CVSYNC period. An extra overflow bit indicates the condition of the H/V counter overflow. The VFchg/HFchg interrupt is active when VCNT/HCNT value changes or overflows. Tables 4.2.1 and 4.2.2 shows the HCNT/VCNT value under the operations of 8MHz and 12MHz. 4.2.1 H-Freq Table Output Value (11 bits) H-Freq(KHZ) 8MHz OSC (hex / dec) 12MHz OSC (hex / dec) 1 30 215h / 533 320h / 800 2 31.5 1FBh / 507 2F9h / 761 3 33.5 1DDh /477 2CCh / 716 4 35.5 1C2h / 450 2A4h / 676 5 36.8 1B2h / 434 28Ch / 652 6 38 1A5h / 421 277h / 631 7 40 190h / 400 258h / 600 8 48 14Dh / 333 1F4h / 500 9 50 140h / 320 1E0h / 480 10 57 118h / 280 1A5h / 421 11 60 10Ah / 266 190h / 400 12 64 0FAh / 250 177h / 375 13 100 0A0h / 160 0F0h / 240 *1. The H-Freq output (HF10 - HF0) is valid. *2. The tolerance deviation is + 1 LSB. 4.2.2 V-Freq Table Output Value (9 bits) V-Freq(Hz) 8MHz OSC (hex / dec) 12MHz OSC (hex / dec) 1 56.25 115h / 277 1A0h / 416 2 59.94 104h / 260 187h / 391 3 60 104h / 260 186h / 390 4 60.32 103h / 259 184h / 388 5 60.53 102h / 258 183h / 387 6 66.67 0EAh / 234 15Fh / 351 7 70.069 0DEh / 222 14Eh / 334 8 70.08 0DEh / 222 14Eh / 334 9 72 0D9h /217 145h / 325 10 72.378 0D7h / 215 143h / 323 11 72.7 0D6h / 214 142h / 322 12 87 0B3h / 179 10Dh / 269 *1. The V-Freq output (VF8 - VF0) is valid. *2. The tolerance deviation is + 1 LSB. 4.3 H/V Presence Check The Hpresent function checks the input HSYNC pulse. The Hpre flag is set when HSYNC is over 10KHz or cleared when HSYNC is under 10Hz. The Vpresent function checks the input VSYNC pulse. The Vpre flag is set when VSYNC is over 40Hz or cleared when VSYNC is under 10Hz. A control bit "PREFS" selects the time base for these functions. The HPRchg interrupt is set when the Hpre value changes. The VPRchg |
同様の部品番号 - MTV112M |
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同様の説明 - MTV112M |
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