AS2523F AMSCO [austriamicrosystems AG], AS2523F Datasheet - Page 8

• Manufacturer Part Number: AS2523F
• Description: Telephone Line Interface and Speakerphone Circuit
• Manufacturer: AMSCO [austriamicrosystems AG]

Data Sheet AS2523, AS2524, AS2524B
Serial Interface on AS2523
Registers
The settings of the AS2523 are stored in 16 registers. Each
register has 4 bit data width.
Timing
The data format for writing to a register has the following form:
Note:
Revision 1.13
CLK
CLK
CLK Pulse width HIGH
CLK Pulse width LOW
xCS to first falling CLK-
edge setup time
DIN to CLK setup time
DIN to CLK hold time
xCS
xCS
DIN
DI
The pins xCS,CLK,DI have internal pull-up resistors.
Parameter
t
1
A3
A2
t
t
5
3
Symbol
t
4
T6
T5
T1
T3
T4
t
6
A1
100ns
100ns
50ns
50ns
50ns
MIN
A0
TYP
D3
MAX
D2
D1
austriamicrosystems
D0
Page 8 of 19