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| SAA1064TD-T Datasheet, PDF (5/19 Pages) NXP Semiconductors – 4-digit LED-driver with I2C-Bus interface | |||
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Philips Semiconductors
4-digit LED-driver with I2C-Bus interface
FUNCTIONAL DESCRIPTION
Product speciï¬cation
SAA1064
a. READ mode.
b. WRITE mode.
S = start condition
P = stop condition
A = acknowledge
X = donât care
A1, A0
SC SB SA
C6 to C0
PR
= programmable address bits
= subaddress bits
= control bits
= POWER RESET ï¬ag
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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