Delay from STCK high to STFS (wl) low - Master5
參數(shù)資料
型號(hào): DSP56F827FG80E
廠商: Freescale Semiconductor
文件頁(yè)數(shù): 39/60頁(yè)
文件大小: 0K
描述: IC HYBRID CTRLR 16BIT 128-LQFP
標(biāo)準(zhǔn)包裝: 72
系列: 56F8xx
核心處理器: 56800
芯體尺寸: 16-位
速度: 80MHz
連通性: EBI/EMI,SCI,SPI,SSI
外圍設(shè)備: POR,PWM,WDT
輸入/輸出數(shù): 64
程序存儲(chǔ)器容量: 136KB(68K x 16)
程序存儲(chǔ)器類型: 閃存
RAM 容量: 5K x 16
電壓 - 電源 (Vcc/Vdd): 2.25 V ~ 2.75 V
數(shù)據(jù)轉(zhuǎn)換器: A/D 10x12b
振蕩器型: 外部
工作溫度: -40°C ~ 85°C
封裝/外殼: 128-LQFP
包裝: 托盤
56F827 Technical Data, Rev. 12
44
Freescale Semiconductor
Delay from STCK high to STFS (wl) low - Master5
tTFSWLM
-1.0
-0.1
ns
Delay from SRCK high to SRFS (bl) low - Master5
tRFSBLM
-0.1
0
ns
Delay from SRCK high to SRFS (wl) low - Master5
tRFSWLM
-0.1
0
ns
STCK high to STXD enable from high impedance - Master
tTXEM
20
22
ns
STCK high to STXD valid - Master
tTXVM
24
26
ns
STCK high to STXD not valid - Master
tTXNVM
0.1
0.2
ns
STCK high to STXD high impedance - Master
tTXHIM
24
25.5
ns
SRXD Setup time before SRCK low - Master
tSM
4—
ns
SRXD Hold time after SRCK low - Master
tHM
4—
ns
Synchronous Operation (in addition to standard internal clock parameters)
SRXD Setup time before STCK low - Master
tTSM
4—
SRXD Hold time after STCK low - Master
tTHM
4—
1. Master mode is internally generated clocks and frame syncs
2. Max clock frequency is IP_clk/4 = 40MHz / 4 = 10MHz for an 80MHz part.
3. All the timings for the SSI 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 STCK/SRCK and/or the frame sync STFS/SRFS
in the tables and in the figures.
4. 50% duty cycle
5. bl = bit length; wl = word length
Table 3-14 SSI Master Mode1 Switching Characteristics
Operating Conditions: VSSIO=VSS = VSSA = 0V, VDDA =VDDIO=3.0–3.6V, VDD = 2.25–2.75V, TA = –40° to +85°C, CL < 50pF, fop = 80MHz
Parameter
Symbol
Min
Typ
Max
Units
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