DSPB56724AG Freescale Semiconductor, DSPB56724AG Datasheet - Page 37

• 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 28
Table 18
Freescale Semiconductor
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
lists the EMC timing parameters with EMC PLL bypassed.
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
LAD[23:0] (data)
Figure 28. EMC Signals (EMC PLL Bypassed; LRCC[CLKDIV] = 4
Symphony
LCLK
LAD[23:0]
LALE
Parameter
™
DSP56724/ DSP56725 Multi-Core Audio Processors, Rev. 2
asynchronous input
asynchronous input
1
T
T
ad_s
out_s
T
ale
T
T
ad_h
out_h
T
T
upwait
ale_h
T
T
T
ad_z
Symbol
gta
in_s
T
T
T
T
upwait
T
T
T
ale_h
in_s
in_h
ale
gta
clk
T
in_h
T
clk
8 × T c
Min
–1
42
42
34
8
5
Max
—
—
—
—
—
—
—
Unit
ns
ns
ns
ns
ns
ns
ns
37