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TDA6500TT Datasheet(PDF) 7 Page - NXP Semiconductors |
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TDA6500TT Datasheet(HTML) 7 Page - NXP Semiconductors |
7 / 40 page 2003 Jun 05 7 Philips Semiconductors Product specification 5 V mixer/oscillator and synthesizer for PAL and NTSC standards TDA6500TT; TDA6501TT handbook, halfpage TDA6500TT FCE830 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 LOSCIN LOSCOUT OSCGND MOSCOUT MOSCIN HOSCIN1 HOSCOUT2 HOSCOUT1 HOSCIN2 VCC IFGND IFOUT PLLGND XTAL VT CP MHBIN2 MHBIN1 LBIN RFGND IFFIL2 IFFIL1 P2 AGC P1 P0 P3 AS SCL SDA P6/ADC P4 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 Fig.2 Pin configuration TDA6500TT. handbook, halfpage TDA6501TT FCE906 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 LOSCIN LOSCOUT OSCGND MOSCOUT MOSCIN HOSCIN1 HOSCOUT2 HOSCOUT1 HOSCIN2 VCC IFGND IFOUT PLLGND XTAL VT CP MHBIN2 MHBIN1 LBIN RFGND IFFIL2 IFFIL1 P2 AGC P1 P0 P3 AS SCL SDA P6/ADC P4 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 Fig.3 Pin configuration TDA6501TT. 7 FUNCTIONAL DESCRIPTION The device is controlled via the I2C-bus. For programming, a module address of 7 bits and the R/W bit for selecting the read or the write mode is required. 7.1 Write mode Data bytes can be sent to the device after the address transmission (first byte). Seven data bytes are needed to fully program the device. The bus transceiver has an auto-increment facility, which permits the programming of the device within one single transmission (address + 6 data bytes). The device can also be partially programmed providing that the first data byte following the address is the first divider byte DB1 or the control byte CB. The data bytes are defined in Tables 2 and 3. The first bit of the first data byte indicates whether frequency data (first bit = 0) or control, port and auxiliary data (first bit = 1) will follow. Until an I2C-bus STOP command is sent by the controller, additional data bytes can be entered without the need to re-address the device. The frequency register is loaded after the 8th clock pulse of the second divider byte DB2, the control register is loaded after the 8th clock pulse of the control byte CB, the band switch register is loaded after the 8th clock pulse of the band switch byte BB and the auxiliary register is loaded after the 8th clock pulse of the auxiliary byte AB. To program the AGC take-over point setting and the AGC current to a different value than the default value, an additional byte, the auxiliary byte, has to be sent. To this end, the auxiliary byte is preceded by a control byte with the test bits T2, T1 and T0 set to 011 (see Table 5). |
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