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TSA5521M 数据表(PDF) 7 Page - NXP Semiconductors |
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TSA5521M 数据表(HTML) 7 Page - NXP Semiconductors |
7 / 24 page 1996 Oct 10 7 Philips Semiconductors Product specification 1.3 GHz universal bus-controlled TV synthesizer TSA5520; TSA5521 Table 2 Bus format selection Table 3 I2C-bus data format Table 4 Description of Table 3 PIN NAME 3-WIRE BUS MODE I2C BUS MODE 11 SW open or HIGH LOW 13 SCL clock input SCL input 14 SDA data input SDA input/output 15 CE chip enable input address selection input BYTE MSB DATA BYTE LSB SLAVE ANSWER Address Byte (ADB) 1 1 0 0 0 MA1 MA0 0 A Divider Byte 1 (DB1) 0 N14 N13 N12 N11 N10 N9 N8 A Divider Byte 2 (DB2) N7 N6 N5 N4 N3 N2 N1 N0 A Control Byte (CB) 1 CP T2 T1 T0 RSA RSB OS A Band switch Byte (BB) XXXX BS4 BS3 BS2 BS1 A SYMBOL DESCRIPTION A acknowledge MA1 and MA0 programmable address bits (see Table 5) N14 to N0 programmable divider bits; N = N14 × 214 + N13 × 213 + ... + N1 × 2+N0 CP charge-pump current; CP = 0 = 60 µA; CP = 1 = 280 µA T2 to T0 test bits (see Table 6); for normal operation T2 = 0, T1 = 0 and T0 = 1 RSA and RSB reference divider ratio select bits (see Table 7) OS tuning amplifier control bit; for normal operation OS = 0 and tuning voltage is ON; when OS = 1 tuning voltage is OFF (high impedance) BS4 to BS1 PNP band switch buffers control bits; when BSn = 0 buffer n is OFF; when BSn = 1 buffer n is ON X don’t care Table 5 I2C-bus address selection VOLTAGE APPLIED TO THE CE INPUT (SW = LOW) MA1 MA0 0 to 0.1VCC1 00 Always valid 0 1 0.4VCC1 to 0.6VCC1 10 0.9VCC1 to VCC1 11 |
类似零件编号 - TSA5521M |
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类似说明 - TSA5521M |
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