參數(shù)資料
型號(hào): DSP56858FVE
廠商: Freescale Semiconductor
文件頁數(shù): 38/64頁
文件大?。?/td> 0K
描述: IC DSP 16BIT 120MHZ 144-LQFP
標(biāo)準(zhǔn)包裝: 60
系列: 568xx
核心處理器: 56800E
芯體尺寸: 16-位
速度: 120MHz
連通性: EBI/EMI,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: 144-LQFP
包裝: 托盤
Quad Timer Timing
56858 Technical Data, Rev. 6
Freescale Semiconductor
43
4.10 Quad Timer Timing
Figure 4-28 Timer Timing
4.11 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
Delay from SCK high to SC2 (bl) high - Master5
tTFSBHM
-1.0
1.0
ns
Timer Inputs
Timer Outputs
PINHL
PIN
POUTHL
POUT
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