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TDA18211HD 데이터시트(PDF) 13 Page - NXP Semiconductors |
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TDA18211HD 데이터시트(HTML) 13 Page - NXP Semiconductors |
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13 / 66 page ![]() TDA18211HD_5 © NXP B.V. 2009. All rights reserved. Product data sheet Rev. 05 — 2 June 2009 13 of 66 NXP Semiconductors TDA18211HD DVB-T Silicon Tuner IC 9.3.1 I2C-bus address selection The module address contains programmable address bits (MA[1:0]), which offer the possibility to have several synthesizers (up to 4) in one system by applying a specific voltage on the AS input (VAS). 9.3.2 Description of chip ID byte 9.3.3 Description of temperature sensor byte The temperature sensor is not available in Device-off mode as it requires a 16 MHz clock to operate. Table 8. Address byte 1 bit description Legend: * power-on reset value Bit Symbol Access Value Description 7 to 3 - R/W 1 1000* must be set to 1 1000 2 to 1 MA[1:0] R/W programmable address bits 00 VAS = 0 V to 0.1 × VCC 01 VAS = 0.2 × VCC to 0.3 × VCC 10 VAS = 0.4 × VCC to 0.6 × VCC 11 VAS = 0.9 × VCC to VCC 0 R/W R/W 0 write mode 1 read mode Table 9. Address byte 2 bit description Legend: * power-on reset value Bit Symbol Access Value Description 7 to 6 - R/W 00 must be set to 00 5 to 0 AD[5:0] R/W - programmable address bits of the first byte of the programming Table 10. ID - Identification byte (subaddress 00h) bit description Legend: * power-on reset value Bit Symbol Access Value Description 7 - R 1* must be logic 1 6 to 0 ID[6:0] R 000 0100* TDA18211HD/C2 identification number Table 11. TM - Thermo byte (subaddress 01h) bit description Legend: * power-on reset value Bit Symbol Access Value Description 7 POR R 1* power supply falls below the power-on reset level and is reset after a read operation ending with a stop condition 0 power supply is above the power-on reset level 6 LOCK R 1 main synthesizer is locked to the programmed frequency 0* main synthesizer is not locked to the programmed frequency |
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