Delay from SCK high to SC2 (bl) high - Slave5 <" />
參數(shù)資料
型號: DSP56858FVE
廠商: Freescale Semiconductor
文件頁數(shù): 41/64頁
文件大?。?/td> 0K
描述: IC DSP 16BIT 120MHZ 144-LQFP
標準包裝: 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
程序存儲器容量: 80KB(40K x 16)
程序存儲器類型: 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
56858 Technical Data, Rev. 6
46
Freescale Semiconductor
Delay from SCK high to SC2 (bl) high - Slave5
tTFSBHS
-1
29
ns
Delay from SCK high to SC2 (wl) high - Slave5
tTFSWHS
-1
29
ns
Delay from SC0 high to SC1 (bl) high - Slave5
tRFSBHS
-1
29
ns
Delay from SC0 high to SC1 (wl) high - Slave5
tRFSWHS
-1
29
ns
Delay from SCK high to SC2 (bl) low - Slave5
tTFSBLS
-29
29
ns
Delay from SCK high to SC2 (wl) low - Slave5
tTFSWLS
-29
29
ns
Delay from SC0 high to SC1 (bl) low - Slave5
tRFSBLS
-29
29
ns
Delay from SC0 high to SC1 (wl) low - Slave5
tRFSWLS
-29
29
ns
SCK high to STD enable from high impedance - Slave
tTXES
——
15
ns
SCK high to STD valid - Slave
tTXVS
4—
15
ns
SC2 high to STD enable from high impedance (first bit) - Slave
tFTXES
4—
15
ns
SC2 high to STD valid (first bit) - Slave
tFTXVS
4—
15
ns
SCK high to STD not valid - Slave
tTXNVS
4—
15
ns
SCK high to STD high impedance - Slave
tTXHIS
4—
15
ns
SRD Setup time before SC0 low - Slave
tSS
4—
ns
SRD Hold time after SC0 low - Slave
tHS
4—
ns
Synchronous Operation (in addition to standard external clock parameters)
SRD Setup time before SCK low - Slave
tTSS
4—
ns
SRD Hold time after SCK low - Slave
tTHS
4—
ns
1. Slave mode is externally generated clocks and frame syncs
2. Max clock frequency is IP_clk/4 = 60MHz / 4 = 15MHz for a 120MHz part.
3. All the timings for the ESSI are given for a non-inverted serial clock polarity (TSCKP=0 in SCR2 and RSCKP=0 in SCSR)
and a non-inverted frame sync (TFSI=0 in SCR2 and RFSI=0 in SCSR). If the polarity of the clock and/or the frame sync
have been inverted, all the timings remain valid by inverting the clock signal SCK/SC0 and/or the frame sync SC2/SC1 in
the tables and in the figures.
4. 50 percent duty cycle
5. bl = bit length; wl = word length
Table 4-12 ESSI Slave Mode1 Switching Characteristics (Continued)
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
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