DSPB56721AF Freescale Semiconductor, DSPB56721AF Datasheet - Page 46

• Manufacturer Part Number: DSPB56721AF
• Description: AUDIO PROCESSOR SYMPH 80-LQFP
• Manufacturer: Freescale Semiconductor
• Series: Symphony™r
• Type: Audio Processorr

Specifications of DSPB56721AF

• Interface: Host Interface, I²C, SAI, SPI
• Clock Rate: 200MHz
• Non-volatile Memory: External
• On-chip Ram: 744kB
• Voltage - I/o: 3.30V
• Voltage - Core: 1.00V
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 80-LQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

46
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)
LSDWE/LSDRAS/LSDCAS
LA[2:0]/LBCTL/LCS[7:0]
LCKE/LSDA10/LSDDQM
LOE/LWE
LGPL[5:0]
Output Signals
Table 19. EMC Timing Parameters (EMC PLL Bypassed; LRCC[CLKDIV] = 8)
LAD[23:0] (data)
LAD[23:0]
Figure 39. EMC Signals (EMC PLL Bypassed; LRCC[CLKDIV] = 4)
LUPWAIT
Symphony
LCLK
LGTA
LALE
Parameter
™
asynchronous input
DSP56720/DSP56721 Multi-Core Audio Processors, Rev. 5
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
gta
in_s
Symbol
T
T
T
T
T
T
T
in_h
T
upwait
T
T
T
ale_h
out_s
out_h
in_h
in_s
clk
ale
clk
gta
Min
40
–1
42
42
34
19
18
8
5
Freescale Semiconductor
Max
—
—
—
—
—
—
—
—
—
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns