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參數(shù)資料
| 型號(hào)： | DSPB56374AE |
| 廠商： | Freescale Semiconductor |
| 文件頁數(shù)： | 62/64頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC DSP 24BIT 150MHZ 52-LQFP |
| 標(biāo)準(zhǔn)包裝： | 160 |
| 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： | 150MHz |
| 非易失內(nèi)存： | ROM（84 kB） |
| 芯片上RAM： | 54kB |
| 電壓 - 輸入/輸出： | 3.30V |
| 電壓 - 核心： | 1.25V |
| 工作溫度： | -40°C ~ 110°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 52-LQFP |
| 供應(yīng)商設(shè)備封裝： | 52-LQFP（10x10） |
| 包裝： | 托盤 |
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Signal Groupings
DSP56374 Data Sheet, Rev. 4.2
Freescale Semiconductor
7
4.3
SCAN
4.4
Clock and PLL
PLLP_GND(1)
PLL Ground—The PLL ground should be provided with an extremely low-impedance path to
ground. This connection must be tied externally to all other chip ground connections. The user
must provide adequate external decoupling capacitors between PLLP_VDD and PLLP_GND.
PLLD_GND(1)
PLL Ground—The PLL ground should be provided with an extremely low-impedance path to
ground. This connection must be tied externally to all other chip ground connections. The user
must provide adequate external decoupling capacitors between PLLD_VDD and PLLD_GND.
CORE_GND(4)
Core Ground—The Core ground should be provided with an extremely low-impedance path to
ground. This connection must be tied externally to all other chip ground connections. The user
must provide adequate external decoupling capacitors.
IO_GND(2)
SHI, ESAI, ESAI_1, WDT and Timer I/O Ground—IO_GND is the ground for the SHI, ESAI,
ESAI_1, WDT and Timer I/O. This connection must be tied externally to all other chip ground
connections. The user must provide adequate external decoupling capacitors.
Table 6. SCAN Signals
Signal
Name
Type
State
During
Reset
Signal Description
SCAN
Input
SCAN—Manufacturing test pin. This pin must be connected to ground.
Table 7. Clock and PLL Signals
Signal
Name
Type
State
during
Reset
Signal Description
EXTAL
Input
External Clock / Crystal Input—An external clock source must be connected
to EXTAL in order to supply the clock to the internal clock generator and PLL.
XTAL
Output
Chip Driven Crystal Output—Connects the internal Crystal Oscillator output to an external
crystal. If an external clock is used, leave XTAL unconnected.
PINIT/NMI
Input
PLL Initial/Nonmaskable Interrupt—During assertion of RESET, the value of
PINIT/NMI is written into the PLL Enable (PEN) bit of the PLL control register,
determining whether the PLL is enabled or disabled. After RESET
de-assertion and during normal instruction processing, the PINIT/NMI
Schmitt-trigger input is a negative-edge-triggered nonmaskable interrupt
(NMI) request internally synchronized to the internal system clock.
This pin has an internal pull up resistor.
This input is 5 V tolerant.
Table 5. Grounds (continued)
Ground Name
Description
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| DSPB56374AEB | 制造商:Freescale Semiconductor 功能描述:52 LQFP PB-FREE W/ BI - Bulk |
| DSPB56374AEC | 功能描述:數(shù)字信號(hào)處理器和控制器 - DSP, DSC 52 LQFP AUTOMOTIVE RoHS:否 制造商:Microchip Technology 核心:dsPIC 數(shù)據(jù)總線寬度:16 bit 程序存儲(chǔ)器大小:16 KB 數(shù)據(jù) RAM 大小:2 KB 最大時(shí)鐘頻率:40 MHz 可編程輸入/輸出端數(shù)量:35 定時(shí)器數(shù)量:3 設(shè)備每秒兆指令數(shù):50 MIPs 工作電源電壓:3.3 V 最大工作溫度:+ 85 C 封裝 / 箱體:TQFP-44 安裝風(fēng)格:SMD/SMT |
| DSPB56374AF | 功能描述:數(shù)字信號(hào)處理器和控制器 - DSP, DSC PB-FREE 80 LQFP 14X14MM RoHS:否 制造商:Microchip Technology 核心:dsPIC 數(shù)據(jù)總線寬度:16 bit 程序存儲(chǔ)器大小:16 KB 數(shù)據(jù) RAM 大小:2 KB 最大時(shí)鐘頻率:40 MHz 可編程輸入/輸出端數(shù)量:35 定時(shí)器數(shù)量:3 設(shè)備每秒兆指令數(shù):50 MIPs 工作電源電壓:3.3 V 最大工作溫度:+ 85 C 封裝 / 箱體:TQFP-44 安裝風(fēng)格:SMD/SMT |
| DSPB56374AF | 制造商:Freescale Semiconductor 功能描述:; Series:DSP56300; DSP Type:Static CMOS |
| DSPB56374AFC | 功能描述:數(shù)字信號(hào)處理器和控制器 - DSP, DSC 56374 80LQFP AUTOMOTIVE RoHS:否 制造商:Microchip Technology 核心:dsPIC 數(shù)據(jù)總線寬度:16 bit 程序存儲(chǔ)器大小:16 KB 數(shù)據(jù) RAM 大小:2 KB 最大時(shí)鐘頻率:40 MHz 可編程輸入/輸出端數(shù)量:35 定時(shí)器數(shù)量:3 設(shè)備每秒兆指令數(shù):50 MIPs 工作電源電壓:3.3 V 最大工作溫度:+ 85 C 封裝 / 箱體:TQFP-44 安裝風(fēng)格:SMD/SMT |
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