參數(shù)資料
型號: DSP56721
廠商: 飛思卡爾半導體(中國)有限公司
英文描述: SymphonyTM DSP56720 / DSP56721 Multi-Core Audio Processors
中文描述: SymphonyTM DSP56720 / DSP56721多核音頻處理器
文件頁數(shù): 11/54頁
文件大小: 671K
代理商: DSP56721
Symphony
TM
DSP56720 / DSP56721 Multi-Core Audio Processors, Rev.1
Freescale Semiconductor
11
Figure 8. Ensure Correct Operation of Power-On Reset with Fast Ramp of Core_VDD
2.1.4
DC Electrical Characteristics
For DC electrical characteristics, see
Table 6
.
Table 6. DC Electrical Characteristics
Characteristics
Symbol
Min
Typ
Max
Unit
Supply voltages
Core (Core_VDD)
PLL (PLLD_VDD, PLLD1_VDD)
V
DD
0.9
1.0
1.1
V
Supply voltages
I/O (IO_VDD)
PLL (PLLP_VDD, PLLP1_VDD)
PLL (PLLA_VDD, PLLA1_VDD)
V
DDIO
3.14
3.3
3.46
V
Input high voltage
V
IH
2.0
V
IO_VDD+2V
V
Note:
To avoid a high current condition and possible system damage, all 3.3 volt supplies must rise before the 1.0 volt
supplies rise.
Input low voltage
V
IL
-0.3
0.8
V
Input leakage current
I
IN
± 84
μ
A
Clock pin Input Capacitance (EXTAL)
C
IN
18
pF
High impedance (off-state) input current (@ 3.3 V or
0 V)
I
TSI
-10
10
μ
A
Output high voltage
I
OH
= -12 mA
LSYNC_OUT, LALE, LCLK Pins I
OH
= -16 mA, TDO
Pin I
OH
= -24 mA
V
OH
2.4
V
Output low voltage
I
OL
= 12 mA
LSYNC_OUT, LALE, LCLK Pins I
OL
= 16 mA, TDO
Pins I
OL
= 24 mA
V
OL
0.4
V
Core_VDD
Tr must be < 10 ms
0 V
1.0V
Tr
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