DSPB56724AG Freescale Semiconductor, DSPB56724AG Datasheet - Page 38

• 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

Figure 29
38
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:
1. Negative hold time means the signal could be invalid before LCLK raising edge.
shows the EMC signals diagram, with EMC PLL bypassed.
LSDWE/LSDRAS/LSDCAS
LA[2:0]/LBCTL/LCS[7:0]
LCKE/LSDA10/LSDDQM
LGPL[5:0]
LOE/LWE
Output Signals
Table 18. EMC Timing Parameters (EMC PLL Bypassed; LRCC[CLKDIV] = 8)
LGTA
LUPWAIT
Figure 29. EMC Signals (EMC PLL Bypassed; LRCC[CLKDIV] = 8)
LAD[23:0] (data)
Symphony
LCLK
LAD[23:0]
Parameter
LALE
™
DSP56724/ DSP56725 Multi-Core Audio Processors, Rev. 2
asynchronous input
asynchronous input
T
T
ad_s
out_s
T
ale
T
T
ad_h
out_h
T
T
upwait
ale_h
T
T
Symbol
T
ad_z
gta
T
T
T
in_s
T
T
out_h
out_s
ad_s
ad_h
ad_z
T
in_h
T
clk
Min
19
18
18
17
—
Freescale Semiconductor
Max
17.1
—
—
—
—
Unit
ns
ns
ns
ns
ns