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TDA8444T Datasheet(PDF) 5 Page - NXP Semiconductors |
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TDA8444T Datasheet(HTML) 5 Page - NXP Semiconductors |
5 / 16 page 1999 Apr 29 5 Philips Semiconductors Product specification Octuple 6-bit DACs with I2C-bus TDA8444; TDA8444T; TDA8444AT Fig.4 Pin configuration (TDA8444AT; SO20). handbook, halfpage TDA8444AT MGL532 1 2 3 4 5 6 7 8 9 10 VCC VMAX SDA SCL n.c. n.c. A0 A1 A2 VEE DAC7 n.c. DAC6 DAC5 DAC4 DAC3 DAC2 DAC1 n.c. DAC0 20 19 18 17 16 15 14 13 12 11 FUNCTIONAL DESCRIPTION I2C-bus interface The I2C-bus interface is a receive-only slave, which accepts data according the format shown in Table 1. Table 1 I2C-bus format (see note 1) Note 1. S = START condition; A2 to A0 = programmable address bits; A = Acknowledge; I3 to I0 = Instruction bits; SD to SA = subaddress bits; X = don’t care; D5 to D0 = data bits; P = STOP condition. Valid addresses are: TDA8444 and TDA8444AT: 40H, 42H, 44H, 46H, 48H, 4AH, 4CH and 4EH TDA8444T: 48H, 4AH, 4CH and 4EH (A2 is always logic 1). All other addresses cannot be acknowledged by the circuit. The actual slave address depends on the programmable address bits A2, A1 and A0. This way up to eight circuits can be used on one I2C-bus. Valid instructions are: 00H to 0FH; F0H to FFH. S 0 1 0 0 A2 A1 A0 0 A I3 I2 I1 I0 SD SC SB SA A X X D5 D4 D3 D2 D1 D0 A P |
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