SAA1064 データシートの表示（PDF） - NXP Semiconductors.
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SAA1064 Datasheet PDF : 19 Pages
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Philips Semiconductors
4-digit LED-driver with I2C-Bus interface
FUNCTIONAL DESCRIPTION
Product specification
SAA1064
a. READ mode.
b. WRITE mode.
S = start condition
P = stop condition
A = acknowledge
X = don’t care
A1, A0
SC SB SA
C6 to C0
PR
= programmable address bits
= subaddress bits
= control bits
= POWER RESET flag
Fig.3 I2C-Bus format.
Address pin ADR
Four different slave addresses can be chosen by connecting ADR either to VEE, 3/8 VCC, 5/8 VCC or VCC. This results in
the corresponding valid addresses HEX 70, 72, 74 and 76 for writing and 71, 73, 75 and 77 for reading. All other
addresses cannot be acknowledged by the circuit.
February 1991
5
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