CS48540-DQZ Cirrus Logic Inc, CS48540-DQZ Datasheet - Page 16

• Manufacturer Part Number: CS48540-DQZ
• Description: Audio DSPs High Perform. 32-Bit Audio Decoder DSP
• Manufacturer: Cirrus Logic Inc

Specifications of CS48540-DQZ

• Operating Supply Voltage: 1.8 V
• Mounting Style: SMD/SMT
• Package / Case: LQFP-48
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

CS485xx Family Data Sheet
32-bit Audio Decoder DSP Family
5.12 Switching Characteristics — Serial Control Port - I
16
SCP_CLK frequency
SCP_CLK low time
SCP_CLK high time
SCP_SCK rising to SCP_SDA rising or falling for START or
STOP condition
START condition to SCP_CLK falling
SCP_CLK falling to STOP condition
Bus free time between STOP and START conditions
Setup time SCP_SDA input valid to SCP_CLK rising
Hold time SCP_SDA input after SCP_CLK falling
SCP_CLK low to SCP_SDA out valid
SCP_BSY#
SCP_IRQ#
SCP_CLK
SCP_SDA
1. The specification f
maximum speed of the communication port may be limited by the firmware application.
t
iicstscl
t
iicckcmd
iicck
1
indicates the maximum speed of the hardware. The system designer should be aware that the actual
t
iicsu
Parameter
A6
0
Figure 5. Serial Control Port - I
t
iich
1
t
iicckh
t
iicckl
Copyright 2009 Cirrus Logic, Inc.
A0
6
t
iicr
R/W
CONFIDENTIAL
7
t
iicdov
ACK
8
t
iicf
2
C Slave Mode Timing
MSB
Symbol
t
iicckcmd
0
t
t
t
iicstscl
t
t
f
t
t
iicckh
iicdov
iicstp
iicckl
t
iicbft
iicsu
iicck
iich
1
2
f
C Master Mode
iicck
t
iicirqh
1.25
1.25
1.25
1.25
Min
100
6
2.5
20
3
-
-
LSB
7
t
iiccbsyl
ACK
8
Max
400
18
-
-
-
-
-
-
t
t
iicirql
iicstp
t
iicckcmd
DS734F3
Units
kHz
µs
µs
µs
µs
µs
µs
ns
ns
ns
t
iicbft