Symphony DSP56724/ DSP56725 Multi-Core Audio Processors, Rev. 2 Freescale Semico" />
參數(shù)資料
型號(hào): DSPB56724AG
廠商: Freescale Semiconductor
文件頁數(shù): 47/48頁
文件大?。?/td> 0K
描述: DSP 24BIT AUD 250MHZ 144-LQFP
標(biāo)準(zhǔn)包裝: 60
系列: DSP56K/Symphony
類型: 音頻處理器
接口: 主機(jī)接口,I²C,SAI,SPI
時(shí)鐘速率: 250MHz
非易失內(nèi)存: 外部
芯片上RAM: 112kB
電壓 - 輸入/輸出: 3.30V
電壓 - 核心: 1.20V
工作溫度: 0°C ~ 70°C
安裝類型: 表面貼裝
封裝/外殼: 144-LQFP
供應(yīng)商設(shè)備封裝: 144-LQFP(20x20)
包裝: 托盤
Symphony DSP56724/ DSP56725 Multi-Core Audio Processors, Rev. 2
Freescale Semiconductor
8
NOTE
F1 should be significantly less than F2. For example, F2 could be 66 MHz and F1 could be
33 MHz. The degree of difference between F1 and F2 determines the amount of precision
with which the current rating can be determined for an application.
1.1.5
DC Electrical Characteristics
Table 4. DC Electrical Characteristics
Characteristics
Symbol
Min
Typ
Max
Unit
Core Supply voltages
Fsys < 200 MHz
Fsys < 250 MHz
VCORE_VDD,
VPLLD_VDD
0.95
1.14
1.0
1.2
1.05
1.26
V
IO Supply voltages
VIO_VDD,
VPLLP_VDD,
VPLLA_VDD
3.14
3.3
3.45
V
Input high voltage
VIH
2.0
VIO_VDD +2V
V
Note: To avoid a high current condition and possible system damage, all 3.3-V and 2.5-V supplies must rise before the 1.0-V
supplies rise.
Input low voltage
VIL
–0.3
0.8
V
Input leakage current
IIN
——
± 80
μA
Clock pin Input Capacitance (EXTAL)
CIN
—2.057
pF
High impedance (off-state) input current (@ 3.3 V or
0V)
ITSI
–10
10
μA
Output high voltage
IOH = –12 mA
LSYNC_OUT, LALE, LCLK Pins IOH = –16 mA,
TDO Pin IOH = –24 mA
VOH
2.4
V
Output low voltage
IOL = 12 mA
LSYNC_OUT, LALE, LCLK Pins IOL = 16 mA,
TDO Pins IOL = 24 mA
VOL
——
0.4
V
Internal pull-up resistor
RPU
63
92
142
k
Ω
Internal pull-down resistor
RPD
57
91
159
k
Ω
Internal supply current1 (core only) operating at
Fsys < 200 MHz
In Normal mode
ICCI
—90
280
mA
In Wait mode
ICCW
—60
250
mA
In Stop mode2
ICCS
—30
220
mA
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參數(shù)描述
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