參數(shù)資料
型號(hào): DSP56857BUE
廠商: Freescale Semiconductor
文件頁(yè)數(shù): 31/53頁(yè)
文件大?。?/td> 0K
描述: IC DSP 16BIT 120MHZ 100-LQFP
標(biāo)準(zhǔn)包裝: 90
系列: 568xx
核心處理器: 56800E
芯體尺寸: 16-位
速度: 120MHz
連通性: SCI,SPI,SSI
外圍設(shè)備: DMA,POR,WDT
輸入/輸出數(shù): 47
程序存儲(chǔ)器容量: 80KB(40K x 16)
程序存儲(chǔ)器類型: SRAM
RAM 容量: 24K x 16
電壓 - 電源 (Vcc/Vdd): 1.62 V ~ 1.98 V
振蕩器型: 外部
工作溫度: -40°C ~ 85°C
封裝/外殼: 100-LQFP
包裝: 托盤
Quad Timer Timing
56857 Technical Data, Rev. 6
Freescale Semiconductor
37
4.9 Quad Timer Timing
Figure 4-25 Timer Timing
4.10 Enhanced Synchronous Serial Interface (ESSI) Timing
Table 4-10 Quad Timer Timing1, 2
Operating Conditions: VSS = VSSIO = VSSA = 0 V, VDD = 1.62-1.98V, VDDIO = VDDA = 3.0–3.6V, TA = –40° to +120°C, CL ≤ 50pF, fop = 120MHz
1. In the formulas listed, T = clock cycle. For fop = 120MHz operation and fipb = 60MHz, T = 8.33ns.
2. Parameters listed are guaranteed by design.
Characteristic
Symbol
Min
Max
Unit
Timer input period
PIN
2T + 3
ns
Timer input high/low period
PINHL
1T + 3
ns
Timer output period
POUT
2T - 3
ns
Timer output high/low period
POUTHL
1T - 3
ns
Table 4-11 ESSI Master Mode1 Switching Characteristics
Operating Conditions: VSS = VSSIO = VSSA = 0 V, VDD = 1.62-1.98V, VDDIO = VDDA = 3.0–3.6V, TA = –40° to +120°C, CL ≤ 50pF, fop = 120MHz
Parameter
Symbol
Min
Typ
Max
Units
SCK frequency
fs
152
MHz
SCK period3
tSCKW
66.7
ns
SCK high time
tSCKH
33.44
——
ns
SCK low time
tSCKL
33.44
——
ns
Output clock rise/fall time
4
ns
Timer Inputs
Timer Outputs
PINHL
PIN
POUTHL
POUT
相關(guān)PDF資料
PDF描述
DSP56858FVE IC DSP 16BIT 120MHZ 144-LQFP
DSP56F801FA80E IC DSP 60MHZ 16KB FLASH 48-LQFP
DSP56F802TA80E IC DSP 60MHZ 16KB FLASH 32-LQFP
DSP56F803BU80E IC DSP 80MHZ 64KB FLASH 100LQFP
DSP56F805FV80E IC DSP 80MHZ 64KB FLASH 144LQFP
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
DSP56857E 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:16-bit Digital Signal Controllers
DSP56857PB 制造商:MOTOROLA 制造商全稱:Motorola, Inc 功能描述:120 MIPS Hybrid Processor
DSP56858 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:16-bit Digital Signal Controllers
DSP56858E 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:16-bit Digital Signal Controllers
DSP56858EVM 制造商:Freescale Semiconductor 功能描述:Microprocessor Support IC For Use With:D