DSPB56724AG Freescale Semiconductor, DSPB56724AG Datasheet - Page 36

• Manufacturer Part Number: DSPB56724AG
• Description: DSP 24BIT AUD 250MHZ 144-LQFP
• Manufacturer: Freescale Semiconductor
• Series: Symphony™r
• Type: Audio Processorr

Specifications of DSPB56724AG

• Interface: Host Interface, I²C, SAI, SPI
• Clock Rate: 250MHz
• Non-volatile Memory: External
• On-chip Ram: 112kB
• Voltage - I/o: 3.30V
• Voltage - Core: 1.20V
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 144-LQFP
• Operating Temperature (min): 0C
• Operating Temperature (max): 70C
• Operating Temperature Classification: Commercial
• Mounting: Surface Mount
• Pin Count: 144
• Package Type: LQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Table 17
36
LCLK cycle time
Input setup to LCLK (except LGTA/LUPWAIT)
Input hold from LCLK (except LGTA/LUPWAIT)
LGTA valid time
LUPWAIT valid time
LALE negedge to LAD (address phase) invalid (address latch hold
time)
LALE valid time
Output setup from LCLK (except LAD[23:0] and LALE)
Output hold from LCLK (except LAD[23:0] and LALE)
LAD[23:0] output setup from LCLK
LAD[23:0] output hold from LCLK
LCLK to output high impedance for LAD[23:0]
Note: Negative hold time means the signal could be invalid before LCLK rising edge.
lists the EMC timing parameters with EMC PLL bypassed.
Table 17. EMC Timing Parameters (EMC PLL Bypassed; LRCC[CLKDIV] = 4)
Symphony
Parameter
™
DSP56724/ DSP56725 Multi-Core Audio Processors, Rev. 2
1
Symbol
T
T
T
T
T
T
T
T
T
T
upwait
T
ale_h
T
out_s
out_h
ad_h
ad_s
ad_z
in_s
in_h
ale
gta
clk
4 × T c
Min
–1
22
22
14
—
8
4
9
8
8
7
Freescale Semiconductor
Max
8.1
—
—
—
—
—
—
—
—
—
—
—
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns