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TDA6509TT Datasheet(PDF) 9 Page - NXP Semiconductors |
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TDA6509TT Datasheet(HTML) 9 Page - NXP Semiconductors |
9 / 42 page 2005 Mar 25 9 Philips Semiconductors Product specification 3-band mixer/oscillator and PLL for terrestrial tuners TDA6508; TDA6508A; TDA6509; TDA6509A Table 1 I2C-bus data format for write mode Note 1. X = don’t care. Table 2 Function of write mode bits used in Table 1 Table 3 Module address selection bits NAME BYTE BITS(1) MSB LSB Address byte ADB 11000MA1 MA0 R/W=0 Divider byte 1 DB1 0 N14 N13 N12 N11 N10 N9 N8 Divider byte 2 DB2 N7 N6 N5 N4 N3 N2 N1 N0 Control byte CB 1 CP T2 T1 T0 RSA RSB WSB Band switch byte BB XXXP4 P3 P2 P1 P0 BIT FUNCTION MA1 and MA0 module address; see Table 3 R/W read/write mode; 0 = write mode N14 to N0 programmable divider bits: N = N14 × 214 + N13 × 213 + ... + N1 × 21 + N0 CP charge-pump current control: 0: charge-pump current is 20 µA 1: charge-pump current is 100 µA T2, T1 and T0 test mode; see Table 5 RSA and RSB reference divider ratio; see Table 4 WSB Weak Signal Booster control: 0: normal mode - no gain increase: external IF filter used 1: Weak Signal Booster activated: IF filter by-passed P0, P1, P2, P3, P4 port P0 to P4 control: 0: corresponding port is off; high impedance state (default) 1: corresponding port is on. MA1 MA0 VOLTAGE APPLIED TO PIN AS 0 0 0 V to 0.1VCC 0 1 0.2VCC to 0.3VCC or open-circuit 1 0 0.4VCC to 0.6VCC 1 1 0.9VCC to 1.0VCC |
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