參數(shù)資料
型號: DSPB56374AEC
廠商: Freescale Semiconductor
文件頁數(shù): 34/64頁
文件大?。?/td> 0K
描述: IC DSP 24BIT 150MHZ 52-LQFP
產(chǎn)品變化通告: Product Discontinuation 24/Feb/2012
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
DSP56374 Data Sheet, Rev. 4.2
Features
Freescale Semiconductor
4
Six-channel DMA controller
Provides a wide range of frequency multiplications (1 to 255), predivider factors (1 to 31), PLL
feedback multiplier (2 or 4), Output divide factor (1, 2, or 4) and a power-saving clock divider
(2i: i = 0 to 7) to reduce clock noise
Internal address tracing support and OnCE for Hardware/Software debugging
JTAG port, supporting boundary scan, compliant to IEEE 1149.1
Very low-power CMOS design, fully static design with operating frequencies down to DC
STOP and WAIT low-power standby modes
2.2
On-chip Memory Configuration
6Kx24 Bit Y-Data RAM and 4Kx24 Bit Y-Data ROM
6Kx24 Bit X-Data RAM and 4Kx24 Bit X-Data ROM
20Kx24 Bit Program and Bootstrap ROM including a PROM patching mechanism
6Kx24 Bit Program RAM.
Various memory switches are available. See memory table below.
2.3
Peripheral
Modules
Enhanced Serial Audio Interface (ESAI): up to 4 receiver pins and up to 6 transmitter pins, master
or slave. I2S, Sony, AC97, network, and other programmable protocols.
Enhanced Serial Audio Interface I (ESAI_1): up to 4 receiver pins and up to 6 transmitter pins,
master or slave. I2S, Sony, AC97, network and other programmable protocols. Note: Available in
the 80-pin package only.
Serial Host Interface (SHI): SPI and I2C protocols, 10-word receive FIFO, support for 8, 16, and
24-bit words. Three noise reduction filter modes.
Triple Timer module (TEC)
Most pins of unused peripherals may be programmed as GPIO pins. Up to 47 pins can be
configured as GPIO on the 80 pin package and 20 pins on the 52 pin package.
Table 1. DSP56374 Memory Switch Configurations
Bit Settings
Memory Sizes (24-bit words)
MSW1
MSW0
MS
Prog
RAM
X Data
RAM
Y Data
RAM
Prog
ROM
X Data
ROM
Y Data
ROM
X
0
6K
20K
4K
0
1
2K
10K
6K
20K
4K
0
1
4K
8K
6K
20K
4K
1
0
1
8K
4K
6K
20K
4K
1
10K
4K
20K
4K
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